Hybrid Powertrain Control Module 2 Scan Tool Information
Charge History Scan Tool Data Parameters
| Parameter | Expected Value | Definition |
|---|---|---|
| Operating Conditions: The Charge History parameters capture the conditions present during the last five AC charge events. A charge event is recorded whenever the charge coupler is fully mated to the charge receptacle. History 1 is the most recent charge event. The Charge History parameters are cleared only during an HPCM2 replacement and/or programming event. | ||
| Charge History (1 thru 5) - 110 V AC Input | Varies | This parameter displays if the 110 V charge cord was active during this charge event. |
| Charge History (1 thru 5) - 240 V AC Input | Varies | This parameter displays if the 240 V charge cord was active during this charge event. |
| Charge History (1 thru 5) - Autostart Inhibit | Varies | This parameter displays if the charge event was interrupted because of an engine start. An engine start could be commanded via remote start, key crank, cold battery, etc. |
| Charge History (1 thru 5) - Battery Charger Temperature Too High | No | This parameter displays if the charge event was interrupted because the Battery Charger internal temperature exceeded a set value. |
| Charge History (1 thru 5) - Charging Cord Error | No | This parameter displays if the vehicle battery charger is requesting utility power but AC input voltage is not present. Refer to DTC P1EE6. |
| Charge History (1 thru 5) - Contactor Open | No | This parameter displays if the charging related contactor(s) were commanded open, interrupting the charge event. |
| Charge History (1 thru 5) - Full Charge | Varies | This parameter displays if the high voltage battery was completely charged during this charge event. |
| Charge History (1 thru 5) - High Severity Fault | No | This parameter displays if high voltage battery DTCs such as cell overvoltage had set, inhibiting the charge event. |
| Charge History (1 thru 5) - Hybrid/EV Battery Pack Protection | No | This parameter displays if high voltage battery DTCs had set, inhibiting the charge event. |
| Charge History (1 thru 5) - Hybrid/EV Battery Pack Temperature Too Low | No | This parameter displays if the charge event was interrupted because the high voltage battery temperature was too low to allow charging. |
| Charge History (1 thru 5) - Low Severity Fault | No | This parameter displays if high voltage battery DTCs had set, interrupting the charge event. |
| Charge History (1 thru 5) - Low Voltage - Battery Voltage Low Before Charge | No | This parameter displays if the 12 V accessory battery voltage was too low prior to the charging event being enabled. |
| Charge History (1 thru 5) - Low Voltage - Battery Voltage Low During Charge | No | This parameter displays if the 12 V accessory battery voltage was too low during the charge event. |
| Charge History (1 thru 5) - Maximum Cell Voltage | No | This parameter displays if the maximum voltage for one of the high voltage battery cells was exceeded, interrupting the charge event. |
| Charge History (1 thru 5) - Maximum Charge Time Exceeded | No | This parameter displays if the maximum charge time was exceeded during this charge event. Maximum charge time varies by vehicle model with 40 hours being the shortest maximum allowed charge time. |
| Charge History (1 thru 5) - Medium Severity Fault | No | This parameter displays if high voltage battery DTCs had set, interrupting the charge event. |
| Charge History (1 thru 5) - Multiple Plug - In Events Within 30 Seconds | No | This parameter displays if that several charge cord connections/disconnections were observed at the charger receptacle in a 30 second time frame. |
| Charge History (1 thru 5) - Multiple Plug - In Events Within 5 Minutes | No | This parameter displays if that several charge cord connections/disconnections were observed at the charger receptacle in a 5 minute time frame. |
| Charge History (1 thru 5) - Time of Day Inhibit | Varies | This parameter displays if programmable charging (time of day/rate based) had delayed charging at some point during this event. |
| Charge History (1 thru 5) - Unplugged at Vehicle | Varies | This parameter displays if the charge event was interrupted because the charge cord was disconnected at the vehicle charge receptacle. |
| Charge History (1 thru 5) - Unplugged at Wall | Varies | This parameter displays if the charge event was interrupted when AC voltage was lost to the charge cord. Most likely this occurred by either the charge cord plug being removed from the household receptacle or a household utility circuit breaker tripping open. |
| Charge History (1 thru 5) - Utility Company Inhibit | Varies | This parameter displays if smart charging had delayed charging at some point during this charge event due to a utility company commanded transmitted via Onstar. |
| Charge History (1 thru 5) - Vehicle Conditions Not Correct | Yes | This parameter displays if the required vehicle conditions to allow charging such as gear selector in Park, valid charger pilot signal have been met. |
Charge History Scan Tool Data Parameters (w/CBT)
| Parameter | Expected Value | Definition |
|---|---|---|
| Operating Conditions: The DC Charge History parameters capture the conditions present during the last five fast charge events. A fast charge event is recorded whenever the charge coupler is fully mated to the charge receptacle. History 1 is the most recent charge event. The DC Charge History parameters are cleared only during an HPCM2 replacement and/or programming event. | ||
| DC Charge History (1 thru 5) - Active Cooling Enabled | Varies | This parameter displays if active cooling was active. The electric A/C compressor will be turned ON and the coolant control valve will be set to the chiller position allowing the air conditioning refrigerant to cool the hybrid/EV battery coolant. |
| DC Charge History (1 thru 5) - Bulk Charge Complete | Varies | This parameter displays if the high voltage battery was almost completely charged. |
| DC Charge History (1 thru 5) - Charge High Voltage Output Active | Varies | This parameter displays if the DC Charge contactors are closed. |
| DC Charge History (1 thru 5) - Charge Receptacle Overtemperature | No | This parameter displays if the system has commanded the DC Charge contactors open to protect the charge receptacle from overheating. |
| DC Charge History (1 thru 5) - Charge Station Pilot Duty Cycle Not 5% | No | This parameter displays if a valid Pilot signal was not received. |
| DC Charge History (1 thru 5) - Charge System Integrity Not Verified | No | This parameter displays if the DC Charge system integrity was not verified. |
| DC Charge History (1 thru 5) - Charge System Integrity Verified | Yes | This parameter displays if the DC Charge system integrity was verified. |
| DC Charge History (1 thru 5) - Charger Functions Available | Yes | This parameter displays if the DC Charger functions are available. |
| DC Charge History (1 thru 5) - Charger Functions Unavailable | No | This parameter displays if the DC Charger functions are not available. |
| DC Charge History (1 thru 5) - Charger Conditions Correct | Varies | This parameter displays if the required vehicle conditions to allow charging such as gear selector in Park, valid charger pilot signal have been met. |
| DC Charge History (1 thru 5) - Charger Conditions Not Correct | Varies | This parameter displays if the required vehicle conditions to allow charging such as gear selector in Park, valid charger pilot signal have not been met. |
| DC Charge History (1 thru 5) - Charging Enabled | Varies | This parameter displays if DC charging was enabled. |
| DC Charge History (1 thru 5) - Charging Stopped by Cordset | Varies | This parameter displays if DC charging was interrupted by the Cordset. |
| DC Charge History (1 thru 5) - Cordset Correct for Charging | Yes | This parameter displays if the correct cordset was connected to the vehicle. |
| DC Charge History (1 thru 5) - DC Not Provided | No | This parameter displays if DC voltage was not provided by the off-vehicle charge station. |
| DC Charge History (1 thru 5) - Full Charge | Varies | This parameter displays if the high voltage battery was completely charged. |
| DC Charge History (1 thru 5) - Precharge Failure | No | This parameter displays if a precharge failure occurred, interrupting the charge event. Precharge occurs in the milliseconds prior to closing both the main bus contactors. By routing the high voltage through a resistor, precharge prevents voltage spikes from occurring whenever high voltage is enabled. |
| DC Charge History (1 thru 5) - Propulsion System Active | Varies | This parameter displays if DC charging was inhibited because the propulsion system was active. |
| DC Charge History (1 thru 5) - Run/Crank Active | Varies | This parameter displays if the ignition power mode was in Run/Crank. |
Hybrid Powertrain Control Module 2 Scan Tool Data Parameters
| Parameter | System State | Expected Value | Description |
|---|---|---|---|
| Operating Conditions: Vehicle in Run | |||
| 12 V Battery Maintenance Mode | - | Inactive | This parameter displays if the 14 V Power Module is maintaining the state of charge of the 12 V battery. |
| 14 V Power Module Power Available From Hybrid/EV Battery Pack | - | Varies | This parameter displays the amount of electrical power in kW the Hybrid/EV battery pack can supply to the 14 V Power Module. |
| A/C Compressor Command | - | Varies | This parameter displays if the A/C compressor is Engaged, Disengaged, or Aborted. |
| A/C Compressor Power Consumption | - | Varies | This parameter displays the amount of electrical power in kW the A/C Compressor is consuming from the high voltage system. |
| A/C Compressor Power Limit | - | No | This parameter displays if the electric power available to the Electric A/C compressor motor is at its limit. |
| A/C Compressor Speed | - | Varies | This parameter displays the actual speed of the electric A/C compressor motor shaft. This parameter is active only when the cabin controls are set to condition the vehicle. |
| A/C Compressor Speed Command | - | Varies | This parameter displays the commanded speed of the electric A/C compressor motor shaft. This parameter is active only when the cabin controls are set to condition the vehicle or Active Cooling of the hybrid/EV battery pack is occurring. |
| A/C High Side Pressure Sensor | Compressor OFF | Equal to low side | This parameter displays the pressure of the A/C system high side pressure sensor. |
| Compressor ON | Higher than low side | ||
| A/C Low Side Pressure Sensor | Compressor OFF | Equal to high side | This parameter displays the pressure of the A/C system low side pressure sensor. |
| Compressor ON | Lower than high side | ||
| A/C Low Side Pressure Sensor | - | Varies | This parameter displays the voltage of the A/C system low side pressure sensor. |
| Actively Tested Isolation Resistance of Complete Vehicle | - | Varies | Vehicles equipped with high voltage storage and propulsion capability are designed with both the positive and negative high voltage circuits isolated from the vehicle chassis. This parameter displays the status of the scan tool disable isolation diagnostic test. |
| Airbag Deployed | - | No | This parameter displays if the contactors are commanded open because an air bag has deployed. |
| Ambient Air Temperature | - | Varies | This parameter displays the temperature of the air surrounding the vehicle. |
| Average Hybrid/EV Battery Pack Temperature | - | Varies | This parameter displays the average temperature for all of the Hybrid/EV battery pack module sensors. |
| Battery Charger AC Input Status Duty Cycle | Charging | 10 - 90% | This parameter displays the duty cycle for the battery charger AC input voltage. The duty cycle is 10% when voltage is less than 60 V RMS. The duty cycle is 90% when voltage is greater than 280 V RMS. |
| Battery Charger DC Output Status Duty Cycle | Charging | 10 - 90% | This parameter displays the duty cycle for the battery charger DC output voltage. The duty cycle is 10% when voltage is less than 0 V. The duty cycle is 90% when voltage is greater than 500 V. |
| Battery Charger Control Circuit Status | Charging | Passed/Failed | This parameter displays the diagnostic status of the battery charger command circuit. |
| Battery Charger Enable Circuit Status | Charging | Passed/Failed | This parameter displays the diagnostic status of the battery charger enable circuit. |
| Battery Charger Power Level | Charging | AC Level 1 AC Level 2 DC Fast Charge |
This parameter displays the battery charger power level. |
| Battery Charger High Output | - | Varies | This parameter displays the current in amps supplied by the Battery Charger Control Module to the high voltage battery. |
| Battery Charger High Output | - | Varies | This parameter displays the voltage supplied by the Battery Charger Control Module to the high voltage battery. |
| Battery Charger High Output | - | Varies | This parameter displays the power in kilowatts supplied by the Battery Charger Control Module to the high voltage battery. |
| Battery Charger High Voltage Energy Output During Last Charge | - | Varies | This parameter displays the energy (kW) the battery charger has delivered into the high voltage Hybrid/EV battery pack during the last charge event. |
| Battery Charger High Voltage Power Output Available | - | Varies | This parameter displays the maximum battery charger power output in kW available for Hybrid/EV battery pack charging. |
| Battery Charger Input | - | Varies | This parameter displays the current in amps monitored by the Battery Charger Control Module on the charge cord. |
| Battery Charger Input | - | Varies | This parameter displays the voltage monitored by the Battery Charger Control Module on the charge cord. |
| Battery Charger Input 120 V AC | - | Varies | This parameter displays the battery charging system is connected to 120 V AC. |
| Battery Charger Input 240 V AC | - | Varies | This parameter displays the battery charging system is connected to 240 V AC. |
| Battery Charger Input Current Command | Charging | Varies | This parameter displays the commanded battery charger input current. |
| Battery Charger Power Input Available | - | Varies | This parameter displays the maximum power in kW available at the battery charger plug receptacle coming from the wall outlet/utility supply. |
| Battery Charger Total Power Output Available | - | Varies | This parameter displays the maximum battery charger power output in Watts available for Hybrid/EV battery pack charging. |
| Battery Charging System | - | OK | This parameter displays if the components that make up the charge system are allowing charging. |
| Battery Charging System Efficiency (Active Test) | - | 62 - 100% | This parameter displays the battery charging system efficiency determined by the active (intrusive) test. Efficiency is calculated by dividing battery charger output power by input power. |
| Battery Charging System Efficiency (Passive Test) | - | 62 - 100% | This parameter displays the battery charging system efficiency determined by the passive (non-intrusive) test. Efficiency is calculated by dividing battery charger output power by input power. |
| Battery Charging System Efficiency Test Result (Active Test) | - | Passed/Failed | This parameter displays the pass/fail status of the battery charging system efficiency active test. |
| Battery Charging System Efficiency Test Status (Active Test) | - | Running/Not Running | This parameter displays the run status of the battery charging system efficiency active test. |
| Battery Charging System Efficiency Test Status (Passive Test) | - | Running/Not Running | This parameter displays the run status of the battery charging system efficiency passive test. |
| Battery Charging System High Voltage Interlock Circuit | - | Energized | The charging high voltage interlock circuit routes through several charging-related components and connectors to determine if access to high voltage components is being attempted. This parameter displays if the high voltage interlock circuit is currently monitoring for high voltage system integrity. |
| Battery Charging System High Voltage Interlock Circuit Status | - | Pass | The charging high voltage interlock circuit routes through several charging-related components and connectors to determine if access to high voltage components is being attempted. This parameter displays if the results of the control modules diagnostic test of the charging high voltage interlock circuit. |
| Battery Charging System Indicator Status | - | Varies | This parameter displays the status of the charging system indicator (LEDs/Bulbs/Icons) visible to the operator of the vehicle. |
| Battery Charging System Isolation Test Status | - | Passed | Vehicles equipped with high voltage storage and propulsion capability are designed with both the positive and negative high voltage circuits isolated from the vehicle chassis. This parameter displays the status of the battery charging system isolation diagnostic test. |
| Battery Charging System Sensors | - | OK | This parameter displays if the battery charging system sensors are allowing charging. |
| Battery Charging System Status | - | Ready/Not Ready | This parameter displays the readiness of the battery charging system. |
| Battery Charging System Operating Conditions | - | OK | This parameter displays if the battery charging system operating conditions are allowing charging. |
| Battery Charging System Positive Contactor Command | Propulsion Active or Charge Mode | Closed | This parameter displays the Hybrid Powertrain Control Module 2 Commanded state of the contactor (relay) on (+) side of the battery charging / 14 V power module system. |
| Not in Charge Mode or Propulsion Active | Open | ||
| Battery Charging System Receptacle Switch | - | Varies | This parameter displays the state of the switch at the receptacle where the charge cord plugs in. |
| Blower Motor Speed Request | - | Varies | This parameter displays the requested speed of the blower motor from 0 to 100%.. |
| Charge Port Door | - | Varies | This parameter displays the state of the switch at the door where the charge cord plugs in. |
| Charging System Inactive Time | - | Varies | This parameter displays the amount of time, in seconds, the charging system was inactive. |
| Climate control Target Temperature | - | Varies | This parameter displays the temperature that the climate control system is attempting to reach/maintain. |
| Control Pilot Duty Cycle | Charging | 0 - 100% | This parameter displays the duty cycle of the battery charger control pilot. |
| Control Pilot Period | Charging | Varies | This parameter displays the time period of the battery charger control pilot. |
| Control Pilot Voltage | Charging | Varies | This parameter displays the voltage of the battery charger control pilot. |
| Cooling Fan Motor Command | - | Varies | This parameter displays the commanded air flow in percent of the radiator coolant fan. |
| Crash Event Lockout | - | No | This parameter displays if the contactors are commanded open due to a vehicle crash event being detected. |
| DC Charge Port Current | - | Varies | This parameter displays the current in amps supplied to the high voltage battery by the DC Fast Charge (CBT) receptacle terminals. |
| DC Charge Port Lock Actuator Position Voltage | - | Varies | This parameter displays the voltage sensed at the B281 Hybrid/EV Battery Charger Receptacle Lock Actuator Position Sensor circuit. |
| DC Charge Port Lock Actuator Position Sensor | - | Varies | This parameter displays the voltage sensed at the M110 Hybrid/EV Battery Charger Receptacle Lock Actuator switch. |
| DC Charge Port Temperature | - | Varies | This parameter displays the temperature of the DC Fast Charge (CBT) receptacle terminals. |
| DC Charging Port Disconnected While Charging Lockout | - | Varies | This parameter displays if DC Charging is disabled because the charge cable had been removed while charge current was present. |
| DC Negative Supply Isolation Voltage | - | Varies | Vehicles equipped with high voltage storage and propulsion capability are designed with both the positive and negative high voltage circuits isolated from the vehicle chassis. This parameter displays the real-time indication of isolation status for the negative charging bus. The parameter should be near the same as the positive isolation voltage. |
| DC Positive Supply Isolation Voltage | - | Varies | Vehicles equipped with high voltage storage and propulsion capability are designed with both the positive and negative high voltage circuits isolated from the vehicle chassis. This parameter displays the real-time indication of isolation status for the positive charging bus. The parameter should be near the same as the negative isolation voltage. |
| Desired Charge End Time (120 V) | - | Varies | This parameter displays the scheduled end time for a level 1 charge. |
| Desired Charge End Time (220 V) | - | Varies | This parameter displays the scheduled end time for a level 2 charge. |
| Discharge Fault Lockout | - | No | This parameter displays if the scan tool disable procedure has failed due to a fault in the high voltage discharge circuit. |
| Discharging | - | No | This parameter displays if the system is inhibiting contactor closure because the high voltage system is currently in the process of discharging the capacitors on the high voltage bus. Discharging usually occurs immediately following opening of the high voltage contactors. |
| Distance Since DTC Cleared | - | Varies | This parameter displays the distance in miles or kilometers since OBD diagnostic trouble codes (DTCs) have been cleared using the service tool. |
| Distance With MIL On | - | Varies | This parameter displays the accumulated distance in miles or kilometers driven with the malfunction indicator lamp (MIL) on. |
| Drive Motor 1 Control Module Negative Supply Isolation Voltage | - | Varies | This parameter displays the voltage as measured by the high voltage isolation sensing circuit. Refer to Hybrid/EV System High Voltage Isolation Description . |
| Drive Motor 1 Control Module Positive Supply Isolation Voltage | - | Varies | This parameter displays the voltage as measured by the high voltage isolation sensing circuit. Refer to Hybrid/EV System High Voltage Isolation Description . |
| Engine Hood Switch | - | Varies | This parameter displays the position of the hood in percent as determined by the hood latch switch. |
| Estimated Time To Full Charge | - | Varies | This parameter displays the estimated hours remaining until the battery pack is fully charged. |
| High Voltage Interlock Circuit Fault | - | No | This parameter displays if the contactors are commanded open because the high voltage interlock circuit is detected open or faulted. |
| High Voltage System Being Serviced Lockout | - | No | This parameter displays if the contactors are commanded open because the scan tool high voltage disabling procedure successfully completed. |
| High Voltage System Interlock Circuit | HV Enabled | Energized | The high voltage interlock circuit routes through several components and connectors to determine if access to high voltage components is being attempted. This parameter displays if the high voltage interlock circuit is currently monitoring for high voltage system integrity. |
| HV Not Enabled | De-Energized | ||
| High Voltage System Interlock Circuit Status | HV Enabled | Pass | The high voltage interlock circuit routes through several components and connectors to determine if access to high voltage components is being attempted. This parameter displays the results of the control modules diagnostic test of the high voltage interlock circuit. |
| HV Not Enabled | Unknown | ||
| High Voltage Inverter Voltage | HV Enable | Near Hybrid/EV Battery Pack Voltage | This parameter displays the electrical potential of the high voltage bus as currently monitored by the Hybrid/EV Powertrain Control Module 1. |
| High Voltage System Isolation Test Status | HV Enabled | Not Running | Vehicles equipped with high voltage storage and propulsion capability are designed with both the positive and negative high voltage circuits isolated from the vehicle chassis. This parameter displays the status of the Hybrid/EV battery pack isolation diagnostic test. This test may run at accessory wake up or immediately following key-off. The status will clear whenever DTCs are cleared. |
| HV Not Enabled | Running/Complete | ||
| Hood Position | - | Varies | This parameter displays the position of the hood as determined by the hood latch switch. |
| Hybrid/EV Battery DC Charging Negative Contactor Command | - | Varies | This parameter displays the Hybrid Powertrain Control Module 2 Commanded state of the T28 Battery Charger internal contactor (relay) on (-) side of the battery fast charging system. |
| Hybrid/EV Battery DC Charging Positive Contactor Command | - | Varies | This parameter displays the Hybrid Powertrain Control Module 2 Commanded state of the T28 Battery Charger internal contactor (relay) on (+) side of the battery fast charging system. |
| Hybrid/EV Battery Energy Used Since Last Full Charge | - | Varies | This parameter displays the amount of energy in Mega Joules consumed by the vehicle since the last complete battery pack full charge. |
| Hybrid/EV Battery Negative Contactor Command | HV Enabled | Closed | This parameter displays the Hybrid Powertrain Control Module 2 Commanded state of the contactor (relay) on the (-) side of the Hybrid/EV Battery pack. |
| HV Not Enabled | Open | ||
| Hybrid/EV Battery Pack Active Isolation Test Status | - | Varies | Vehicles equipped with high voltage storage and propulsion capability are designed with both the positive and negative high voltage circuits isolated from the vehicle chassis. The parameter displays the status of the battery system isolation diagnostic test. |
| Hybrid/EV Battery Pack Capacity | - | Varies | This parameter displays the capacity of the hybrid/EV battery pack expressed in engineering data form. |
| Hybrid/EV Battery Pack Charging Limit | - | Varies | This parameter displays the maximum charge power limit in watts of the Hybrid/EV battery pack based on current conditions such as temperature and state of charge. |
| Hybrid/EV Battery Pack Coolant Pump Command | - | Varies | This parameter displays the commanded percentage coolant flow for the Hybrid/EV battery pack coolant pump. |
| Hybrid/EV Battery Pack Coolant Pump Feedback | - | 45 - 55% | This parameter displays the internal diagnostic status of the Hybrid/EV battery pack coolant pump. A duty cycle of 45 to 55% indicates no internal pump faults detected. |
| Hybrid/EV Battery Pack Coolant Pump Speed | - | Varies | This parameter displays the actual speed of the Hybrid/EV battery pack coolant pump motor shaft. |
| Hybrid/EV Battery Pack Coolant Temperature Sensor 1 | - | Varies | A sensor monitors the temperature of coolant circulating through the Hybrid/EV battery pack. This parameter displays Sensor 1 which monitors temperature of the coolant entering the battery pack. |
| Hybrid/EV Battery Thermal Conditioning Inactive Time | - | Varies | This parameter displays the amount of time, in seconds, thermal conditioning was inactive. |
| Hybrid/EV Battery Thermal Conditioning Request | - | Varies | This parameter displays the state of the Hybrid/EV battery pack thermal state request. The battery pack can be either passively or actively cooled or heated. |
| Hybrid/EV Battery Thermal Conditioning Status | - | Varies | This parameter displays the state of the Hybrid/EV battery pack thermal state. The battery pack can be either passively or actively cooled or heated. |
| Hybrid/EV Battery Pack Coolant Level Switch | - | Varies | The B258 hybrid/EV battery pack coolant level switch is attached to the coolant surge tank. The level sensor is a 2 state switch which changes state when the level in the surge tank gets low. This parameter displays the voltage monitored by the B258 Hybrid/EV Battery Coolant Level Switch circuit. |
| Hybrid/EV Battery Pack Current | - | Varies | This parameter displays the amount of current in amps flowing in or out of the Hybrid/EV battery pack. |
| Hybrid/EV Battery Pack Heater Power | - | Varies | This parameter displays the electric power in kW requested by the Hybrid Powertrain Control Module 2 to the Hybrid/EV battery pack coolant heater in order to warm the battery pack. |
| Hybrid/EV Battery Pack Heater Power Command | - | Varies | This parameter displays the electric power in percent commanded by the Hybrid Powertrain Control Module 2 to the Hybrid/EV battery pack coolant heater in order to warm the battery pack. |
| Hybrid/EV Battery Pack Heater Power Command | - | Varies | This parameter displays the electric power in kW commanded by the Hybrid Powertrain Control Module 2 to the Hybrid/EV battery pack coolant heater in order to warm the battery pack. |
| Hybrid/EV Battery Pack Heater Power Limited | - | No | This parameter displays if the electric power available to the Hybrid/EV battery pack coolant heater is at its limit. |
| Hybrid/EV Battery Pack Heater Power Request | - | Varies | This parameter displays the electric power in kW requested by the hybrid powertrain control module 2 to the Hybrid/EV battery pack coolant heater in order to warm the battery pack. |
| Hybrid/EV Battery Pack Isolation Test Status | - | Passed | Vehicles equipped with high voltage storage and propulsion capability are designed with both the positive and negative high voltage circuits isolated from the vehicle chassis. This parameter displays the results obtained when the Hybrid/EV battery pack last performed its internal isolation diagnostic test. This test may run at accessory wake up or immediately following key-off. The status will be cleared whenever DTCs are cleared. |
| Hybrid/EV Battery Pack Maximum Voltage | - | Varies | This parameter displays the total Hybrid/EV battery pack maximum voltage measured during the current ignition cycle. |
| Hybrid/EV Battery Pack Minimum State of Charge Limit | - | Varies | This parameter displays the minimum permissible Hybrid/EV battery pack state of charge in percent. The Hybrid/EV system will not discharge the battery pack below this limit. |
| Hybrid/EV Battery Pack State of Charge Gauge | - | Varies | This parameter displays the battery pack state of charge as displayed on the vehicle instrument panel. |
| Hybrid/EV Battery Pack Minimum Voltage | - | Varies | This parameter displays the total Hybrid/EV battery pack minimum voltage measured during the current ignition cycle. |
| Hybrid/EV Battery Pack Precharge Contactor Command | HV Enable Initiated | Closed | This parameter displays the Hybrid Powertrain Control Module 2 Commanded state of the operation of the Hybrid/EV Battery pack precharge contactor relay. Precharge occurs in the milliseconds prior to closing the main (-) bus contactor. By routing the high voltage through a resistor, precharge prevents voltage spikes from occurring whenever high voltage is enabled. |
| HV Fully Enabled or HV Not Enabled | Open | ||
| Hybrid/EV Battery Pack Resistance | - | Varies | This parameter displays the Hybrid/EV battery pack resistance value in ohms. |
| Hybrid/EV Battery Pack State of Charge | - | Varies | This parameter displays the percentage available capacity remaining in a Hybrid/EV battery pack. |
| Hybrid/EV Battery Pack State of Charge Gauge | - | Varies | This parameter displays the percentage Hybrid/EV battery pack state of charge as indicated to the operator of the vehicle. |
| Hybrid/EV Battery Pack Voltage | - | Varies | This parameter displays the electrical potential of the Hybrid/EV battery pack as currently monitored. |
| Hybrid/EV Battery Positive Contactor Command | HV Enabled | Closed | This parameter displays the Hybrid Powertrain Control Module 2 Commanded state of the contactor (relay) on the (+) side of the Hybrid/EV Battery pack. |
| HV Not Enabled | Open | ||
| Hybrid/EV Battery System Precharge Current Too High | - | No | Precharge occurs in the milliseconds prior to closing the main (-) bus contactor. By routing the high voltage through a resistor, precharge prevents voltage spikes from occurring whenever high voltage is enabled. This parameter displays if the contactors are commanded open because of excessive Precharge current. |
| Hybrid/EV Battery System Precharge Time Too Long | - | No | Precharge occurs in the milliseconds prior to closing the main (-) bus contactor. By routing the high voltage through a resistor, precharge prevents voltage spikes from occurring whenever high voltage is enabled. The time required to precharge is based upon the system voltage and capacitance. This parameter displays if the contactors are commanded open because the time required to precharge was too slow. |
| Hybrid/EV Battery System Precharge Time Too Short | - | No | Precharge occurs in the milliseconds prior to closing the main (-) bus contactor. By routing high voltage through a resistor, precharge prevents voltage spikes from occurring whenever high voltage is enabled. The time required to precharge is based upon the system voltage and capacitance. This parameter displays if the contactors are commanded open because the time required to precharge was too fast. |
| Hybrid/EV Battery Temperature Sensor with Maximum Value | - | Varies | The Hybrid/EV battery pack contains many individual battery cells or modules. This parameter displays the index-number of the battery module that is reporting the maximum temperature value. |
| Hybrid/EV Battery Temperature Sensor with Minimum Value | - | Varies | The Hybrid/EV battery pack contains many individual battery cells or modules. This parameter displays the index-number of the battery module that is reporting the minimum temperature value. |
| Hybrid/EV Battery Voltage Sensor with Maximum Value | - | Varies | The Hybrid/EV battery pack contains many individual battery cells or modules. This parameter displays the index-number of the battery module voltage sensor that is reporting the highest voltage. |
| Hybrid/EV Battery Voltage Sensor with Minimum Value | - | Varies | The Hybrid/EV battery pack contains many individual battery cells or modules. This parameter displays the index-number of the battery module voltage sensor that is reporting the lowest voltage. |
| Hybrid/EV Battery Voltage Sensors Average | - | Varies | The Hybrid/EV battery pack contains many individual hybrid battery cells or modules. This parameter displays the average voltage measured at all of the cells/modules. |
| Hybrid/EV Electronics Coolant Pump Command | - | Varies | This parameter displays the percent commanded coolant flow for the Hybrid/EV electronics coolant pump. |
| Hybrid/EV Electronics Coolant Pump Feedback | - | 45 - 55% | This parameter displays the internal diagnostic status for the Hybrid/EV electronics coolant pump. A duty cycle of 45 to 55% indicates no internal pump faults detected. |
| Hybrid/EV Electronics Coolant Pump Speed | - | Varies | This parameter displays the actual speed of the Hybrid/EV electronics coolant pump motor shaft. |
| Hybrid/EV Electronics Coolant Temperature | - | Varies | This parameter displays the temperature of the coolant within the hybrid electronics cooling system. |
| Hybrid/EV Powertrain Control Module Request | - | No | This parameter displays if the hybrid/EV powertrain control module (1) is requesting the contactors to be open. |
| Ignition 1 Signal | - | Varies | This parameter displays the voltage monitored at the control module terminal connected to the Ignition 1 circuit. |
| Isolation Test Resistance | - | Varies | Vehicles equipped with high voltage storage and propulsion capability are designed with both the positive and negative high voltage circuits isolated from the vehicle chassis. This parameter displays the amount of isolation observed when the Hybrid/EV battery pack last performed its isolation diagnostic test. This test may run at accessory wake up or immediately following key-off. The value will be set to zero whenever DTCs are cleared. |
| Maximum Hybrid/EV Battery Module Temperature | - | Varies | The Hybrid/EV battery pack contains many individual battery cells or modules. This parameter displays the temperature of the battery module reporting the highest temperature. |
| Maximum Hybrid/EV Battery Module Voltage | - | Varies | The Hybrid/EV battery pack contains many individual hybrid battery cells or modules. This parameter displays the maximum voltage measured at any of the cells/modules. |
| Minimum Hybrid/EV Battery Module Temperature | - | Varies | The Hybrid/EV battery pack contains many individual battery cells or modules. This parameter displays the temperature of the battery module reporting the lowest temperature. |
| Minimum Hybrid/EV Battery Module Voltage | - | Varies | The Hybrid/EV battery pack contains many individual hybrid battery cells or modules. This parameter displays the minimum voltage measured at any of the cells/modules. |
| Over/Under Voltage Lockout | - | No | This parameter displays if the scan tool disable procedure has failed due to a High or Low voltage condition. |
| Overtemperature | - | No | This parameter displays if the system is commanding contactors open to protect them from overheating. The contactors will overheat if cycled too many times within a short amount of time. |
| Passenger Compartment Heater Power Limited | - | No | This parameter displays if the electric power available to the passenger compartment heater power is at its limit. |
| Power Delivered to Electric A/C Compressor from Hybrid/EV Battery Pack | - | Varies | This parameter displays the electric power in kW commanded by the hybrid powertrain control module 2 to the A/C compressor in order for it to provide Hybrid/EV battery pack and/or passenger compartment cooling. This parameter is active only when the cabin controls are set to condition the vehicle. |
| Power Delivered to Electric Passenger Compartment Heater from Hybrid/EV Battery Pack | - | Varies | This parameter displays the electric power in kW commanded by the hybrid powertrain control module 2 to the passenger compartment heater in order for it to provide heat. This parameter is active only when the cabin controls are set to condition the vehicle. |
| Power Requested by Electric A/C Compressor from Hybrid/EV Battery Pack | - | Varies | This parameter displays the electric power in kW estimated by hybrid powertrain control module 2 necessary to provide Hybrid/EV battery pack and/or passenger compartment cooling. This parameter is active only when the cabin controls are set to condition the vehicle. |
| Power Requested by Electric Passenger Compartment Heater from Hybrid/EV Battery Pack | - | Varies | This parameter displays the electric power in kW estimated by hybrid powertrain control module 2 necessary to provide passenger compartment heating. This parameter is active only when the cabin controls are set to condition the vehicle. |
| Power Mode | - | Run | This parameter displays the status of the ignition switch. |
| Proximity Detection Circuit | - | Varies | The proximity detection circuit detects the presence of the drive motor battery charge cord. This parameter displays the voltage monitored on the detection circuit. |
| Requested DC Charging Current | - | Varies | This parameter displays the DC charging current requested of the off-board fast charge station. |
| Service High Voltage Shutdown Stage 1 | - | Varies | This parameter displays the status of the High Voltage Disabling procedure. Each stage of the procedure performs a different task in the high voltage shutdown and disabling process. Refer to High Voltage Disabling . |
| Service High Voltage Shutdown Stage 2 | - | Varies | This parameter displays the status of the High Voltage Disabling procedure. Each stage of the procedure performs a different task in the high voltage shutdown and disabling process. Refer to High Voltage Disabling . |
| Service High Voltage Shutdown Stage 3 | - | Varies | This parameter displays the status of the High Voltage Disabling procedure. Each stage of the procedure performs a different task in the high voltage shutdown and disabling process. Refer to High Voltage Disabling . |
| Service High Voltage Shutdown Stage 4 | - | Varies | This parameter displays the status of the High Voltage Disabling procedure. Each stage of the procedure performs a different task in the high voltage shutdown and disabling process. Refer to High Voltage Disabling . |
| Shutdown Mode | - | No | Shutdown Mode is the semi-operational state while a control module is turning off. Shutdown mode allows time for house-keeping tasks such as writing data to stored memory. This parameter displays if the module is in the process of shutting down. |
| Stuck Open | - | No | This parameter displays the contactors are commanded open because the module has detected one or more of the high voltage contactors will not close. |
| Time Propulsion System Was Inactive | - | Varies | This parameter displays the time in seconds the propulsion system was inactive during charging. |
| Warm-Ups Since DTC Cleared | - | Varies | This parameter displays the number of OBD defined warm-up cycles since the last time codes were cleared with a scan tool or, when applicable, with a 12 V battery disconnect. A warm-up cycle occurs after the propulsion system has been active for 1000 consecutive seconds with run/crank ignition active. |
Hybrid Powertrain Control Module 2 Configuration/Reset Functions
| Functions | Description |
|---|---|
| DC Charging Disabled Reset | This reset function is used to reset a DC Charge Disable condition that occurs after certain DTCs are set. |
| EV Range Reset | This reset function is used to reset the learned EV Range to the operator of the vehicle. |
| Hybrid/EV Battery Pack Capacity Learn | This reset function is used to learn the hybrid/EV battery pack capacity whenever the HPCM2, the Hybrid/EV Battery pack or individual hybrid/EV battery sections are replaced. Refer to the Hybrid/EV Battery Pack Capacity Learn procedure in Hybrid/EV Energy Storage. |
| Hybrid/EV Battery Pack Charging Adaptive Learn Reset | This reset function is used to reset the learned adaptive charging limits. |
| Hybrid/EV Battery Pack Contactor Open Reasons Reset | The hybrid/EV powertrain control module 2, Hybrid/EV Battery Contactor Open Reasons scan tool parameter list identifies all past events that commanded contactors open. This reset function is used to set all history reasons for contactor open events to NO. Refer to Clear Secured High Voltage DTCs procedure in Hybrid/EV Energy Storage. |
| Hybrid/EV Battery Pack Data Reset | This reset function is used to reset certain engineering data parameters. |
Hybrid Powertrain Control Module 2 Scan Tool Output Controls
| Output Control | Description |
|---|---|
| AC Compressor Speed | This output control is used to vary the electric A/C compressor speed. |
| Battery Charging System Efficiency Test (Active Test) | This output control activates the battery charger control module to perform its internal efficiency test. |
| Clear Secured High Voltage DTCs |
NOTE:
Performing a scan tool DTC Clear may clear the diagnostic that set the HV lockout state, but will not reset the lockout. |
| Cooling Fan Motor | This output control is used to vary the coolant radiator cooling fan motor between 10% and 90%. |
| DC Charge Port Lock | This output control is used to energize the M110 Hybrid/EV Battery Charger Receptacle-Lock Actuator {CBT Only} which in turn Locks and Unlocks the charge cord to the receptacle. |
| High Voltage Disabling | This output control initiates the on-vehicle control module software to attempt to disable and discharge high voltage outside of the Hybrid/EV battery pack. Always refer to the High Voltage Disabling procedure in Hybrid/EV Energy Storage. |
| Hybrid/EV Battery Contactors | This output control is used to energize the high voltage contactors for diagnostic purposes. Refer to the applicable high voltage contactor diagnostic trouble code for setup and usage instructions. |
| Hybrid/EV Battery Pack Active Isolation Test |
|
| Hybrid/EV Battery Pack Coolant Pump | This output control is used to vary the coolant pump speed between 20% and 80%. |
| Hybrid/EV Battery Pack Heater Passive Isolation Test | This output control is used to energize the Battery Pack Heater while monitoring for high voltage loss of isolation condition. |
| Hybrid/EV Battery Pack Heater Power | This output control is used to energize the Battery Pack Heater to confirm heating function. |
| Hybrid/EV DC Charging Contactors | This output control is used to energize the T24 Battery Charger {CBT only} internal high voltage negative and positive contactors for diagnostic purposes. Refer to the applicable high voltage contactor diagnostic trouble code for setup and usage instructions. |
| Hybrid/EV Electronics Coolant Pump | This output control is used to vary the coolant pump speed between 20% and 80%. |