Diagnostic Trouble Code Charts: Notes
DIAGNOSTIC TROUBLE CODE
| Five Digit DTC | Component | Description | Condition | Symptom | Action |
|---|---|---|---|---|---|
| P0102 P0103 P1100 P1101 | MAF | MAF concerns | MAF system has a malfunction which may cause a transmission concern. | High or low EPC pressure, incorrect shift schedule. Incorrect torque converter clutch engagement scheduling. Symptoms similar to a throttle position (TP) failure. | REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE . |
| P0112 | IAT | IAT indicates 125°C (257°F) (grounded) | Voltage drop across IAT exceeds scale set for temperature 125°C (257°F). | Incorrect EPC pressure, either high or low, results in harsh or soft shifts. | REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE . |
| P0113 | IAT | IAT indicates - 40°C (-40°F) (open circuit) | Voltage drop across IAT exceeds scale set for temperature - 40°C (-40°F). | Incorrect EPC pressure, either high or low, results in harsh or soft shifts. | REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE . |
| P0114 | IAT | IAT out of on - board diagnostic range | IAT temperature higher or lower than expected during KOEO and KOER. | Rerun on-board diagnostic at normal operating temperature. | REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE . |
| P0117 | ECT | ECT indicates 125°C (257°F) | Voltage drop across ECT exceeds scale set for temperature 125°C (257°F) (grounded). | Torque converter clutch will always be off, resulting in reduced fuel economy. | REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE . |
| P0118 | ECT | ECT indicates - 40°C (-40°F) | Voltage drop across ECT exceeds scale set for temperature - 40°C (-40°F) (open circuit). | Torque converter clutch will always be off, resulting in reduced fuel economy. | REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE . |
| P0122 P0123 P1120 | TP | TP concern | PCM has detected an error that may cause a transmission concern. | Harsh engagements, firm shift feel, abnormal shift schedule, torque converter clutch does not engage, torque converter clutch cycling. | REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE . |
| P0300-P0308 P0320 P0340 P1351-P1364 | Electronic Ignition (EI) | EI systems concerns | EI system has a malfunction which may cause a transmission concern. | Harsh engagements and shifts, late WOT shifts, no torque converter clutch engagement. | REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE . |
| P1702 | Digital TR | Intermittent DTC codes P0705 or P0708 | Refer to DTC codes P0705 or P0708 condition. | Refer to DTC codes P0705 or P0708 symptom. | Go To PINPOINT TEST C: DIGITAL TRANSMISSION RANGE (TR) SENSOR . |
| P1704 | Digital TR | Digital TR circuit reading in between gear position during KOEO/KOER | Digital TR sensor or shift cable incorrectly adjusted; or digital TR circuit failure. | Wrong commanded EPC pressure. Digital TR reading the wrong gear position. | Go To PINPOINT TEST C: DIGITAL TRANSMISSION RANGE (TR) SENSOR . |
| P0705 | Digital TR sensor | Digital TR circuit failure | Digital TR circuits, indicating an invalid pattern in TR_D. Condition caused by a short to ground or an open in TR4, TR3A, TR2, and or TR1 circuits. This DTC cannot be set by an incorrectly adjusted digital TR sensor. | Increase in EPC pressure (harsh shifts). Defaults to (D) or D for all gear positions. In (D) position trans stuck in D or manual 2. | Go To PINPOINT TEST C: DIGITAL TRANSMISSION RANGE (TR) SENSOR . |
| P0708 | Digital TR | Digital TR sensor circuit TR3A open | Digital TR sensor circuit TR3A reading 2.6v - 5.0v (open circuit). This DTC cannot be set by an incorrectly adjusted digital TR sensor. | Increase in EPC pressure. Defaults to (D)or D for all gear ranges. | Go To PINPOINT TEST C: DIGITAL TRANSMISSION RANGE (TR) SENSOR . |
| P1705 | Digital TR sensor | Digital TR self test was not carried out in PARK or NEUTRAL | Vehicle not in PARK or NEUTRAL during on-board diagnostic. | Rerun on-board diagnostic in PARK or NEUTRAL. | Go To PINPOINT TEST C: DIGITAL TRANSMISSION RANGE (TR) SENSOR . |
| P0712 | TFT, wiring, PCM | 157°C (315°F) indicated TFT sensor circuit grounded | Voltage drop across TFT sensor exceeds scale set for temperature of 157°C (315°F). | Firm shift feel. | Go To PINPOINT TEST B: TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR . |
| P0713 | TFT, wiring, PCM | -40°C (-40°F) indicated TFT sensor circuit open | Voltage drop across TFT sensor exceeds scale set for temperature - 40°C (-40°F). | Firm shift feel. | Go To PINPOINT TEST B: TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR . |
| P1711 | TFT | TFT out of onboard diagnostic range | Transmission not at operating temperature during on-board diagnostic. | Warm vehicle to normal operating temperature. | Go To PINPOINT TEST B: TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR . |
| P1713 | TFT wiring PCM | TFT continually reading cold | TFT sensor in range low failure. | Firm shift feel. Substitute ECT for TFT | Go To PINPOINT TEST B: TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR . |
| P1718 | TFT, wiring, PCM | TFT continually reading hot | TFT sensor in range high failure. | Firm shift feel. Substitute ECT for TFT | Go To PINPOINT TEST B: TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR . |
| P1783 | TFT | Transmission over temperature condition indicated | Transmission fluid temperature exceeded 127°C (270°F). | Increase in EPC pressure. | Go To PINPOINT TEST B: TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR . |
| P0720 | OSS | Insufficient input from output shaft speed sensor | PCM detected a loss of OSS signal during operation. | Harsh shifts, abnormal shift schedule, no torque converter clutch activation. | Go To PINPOINT TEST E: OUTPUT SHAFT SPEED (OSS) SENSORS . |
| P0721 | OSS | OSS sensor signal noisy | PCM has detected an erratic OSS signal. | Harsh shifts, abnormal shift schedule, no torque converter clutch engagement. | Go To PINPOINT TEST E: OUTPUT SHAFT SPEED (OSS) SENSORS . |
| P0722 | OSS wiring | Insufficient input from OSS | PCM has detected a loss of OSS signal. | Harsh shifts, abnormal shift schedule, no torque converter clutch engagement. | Go To PINPOINT TEST E: OUTPUT SHAFT SPEED (OSS) SENSORS . |
| P0741 | TCC, internal components | TCC slippage detected | The PCM picked up an excessive amount of slippage during normal vehicle operation. | TCC slippage/erratic or no torque converter clutch operation. Flashing Transmission Control Indicator Lamp (TCIL). | GO to DIAGNOSIS BY SYMPTOM . |
| P0743 | TCC, wiring, PCM | TCC solenoid circuit failure during on-board diagnostic | TCC solenoid circuit fails to provide voltage drop across solenoid. Circuit open or shorted or PCM driver failure during on-board diagnostic. | Short circuit: engine stalls in second (OD, 2 range) at low idle speeds with brake applied. Open circuit: torque converter clutch never engages. May flash TCIL. | Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH SOLENOIDS . |
| P1746 P0960 | EPC, wiring, PCM | EPC solenoid open circuit | Voltage through EPC solenoid is checked. An error will be noted if tolerance is exceeded. | Open circuit causes maximum EPC pressure, harsh engagements and shifts. | Go To PINPOINT TEST D: ELECTRICAL PRESSURE CONTROL (EPC) SOLENOID . |
| P1747 | EPC, wiring, | EPC solenoid | Voltage through | Short circuit causes | Go To Pinpoint Test |
| P0962 | PCM | circuit failure, shorted circuit or output driver | EPC solenoid is checked. An error will be noted if tolerance is exceeded. | minimum EPC pressure (minimum capacity) and limits engine torque (alternate firm). | D. |
| P0963 | EPC solenoid | EPC solenoid short to power (Vbat) circuit failure | Voltage through EPC solenoid is checked. An error will be noted if tolerance is exceeded. | Maximum EPC pressure, harsh engagements and shifts. | Go To PINPOINT TEST D: ELECTRICAL PRESSURE CONTROL (EPC) SOLENOID . |
| P0748 | EPC solenoid | EPC solenoid circuit failure | Voltage through EPC solenoid is checked. An error will be noted if tolerance is exceeded. | Short circuit results in minimum EPC pressure (minimum capacity) and limits engine torque (alternate firm). Not all gear present. Open circuit: maximum PC A pressure, harsh engagements and shifts. | Go To PINPOINT TEST D: ELECTRICAL PRESSURE CONTROL (EPC) SOLENOID . |
| P1760 | EPC, wiring, PCM | EPC solenoid circuit failure, shorted circuit or output driver | PCM detected a loss of EPC during operation. | Unexpected reduction in engine torque. | Go To PINPOINT TEST D: ELECTRICAL PRESSURE CONTROL (EPC) SOLENOID . |
| P0731 | SSA, SSB, or internal parts | 1st gear error | No 1st gear. | Incorrect gear selection, depending on failure or mode and manual lever position. Shift errors may also be due to other internal transmission concerns (stuck valves, damaged friction material). Engine rpm could be higher or lower than expected. | Use the Figure, REFER to PINPOINT TESTS - OSC EQUIPPED VEHICLES . Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH SOLENOIDS . |
| P0732 | SSA, SSB, or internal parts | 2nd gear error | No 2nd gear. | Incorrect gear selection, depending on failure or mode and manual lever position. Shift errors may also be due to other internal transmission concerns (stuck valves, damaged friction material). Engine rpm could be higher or lower than expected. | Use the Figure, REFER to PINPOINT TESTS - OSC EQUIPPED VEHICLES . Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH SOLENOIDS . |
| P0733 | SSA, SSB, or internal parts | 3rd gear error | No 3rd gear. | Incorrect gear selection, depending on failure or mode and manual lever position. Shift errors may also be due to other internal transmission concerns (stuck valves, damaged friction material). Engine rpm could be higher or lower than expected. | Use the Figure, REFER to PINPOINT TESTS - OSC EQUIPPED VEHICLES . Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH SOLENOIDS . |
| P0734 | SSA, SSB, or internal parts | 4th gear error | No 4th gear. | Incorrect gear selection, depending on failure or mode and manual lever position. Shift errors may also be due to other internal transmission concerns (stuck valves, damaged friction material). Engine rpm could be higher or lower than expected. | Use the Figure, REFER to PINPOINT TESTS - OSC EQUIPPED VEHICLES . Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH SOLENOIDS . |
| P0750 | SSA, wiring, PCM | SSA solenoid circuit failure | SSA circuit failed to provide voltage drop across solenoid. Circuit open or shorted or PCM driver failure during on-board diagnostic. | Incorrect gear selection depending on condition mode and manual lever position. See Solenoid On/Off Chart. | Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH SOLENOIDS . |
| P0753 | SSA, wiring, PCM | SSA electrical circuit failure | SSA circuit fails to provide voltage drop across solenoid. Circuit open or shorted or PCM driver failure during on-board diagnostic. | Incorrect gear depending on condition mode and manual lever position. See Solenoid Off/On Chart. Flashing Transmission Control Indicator Lamp (TCIL). | Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH SOLENOIDS . |
| P0781 | SSA or internal parts | 1-2 shift error | Engine rpm drop not detected when 1-2 shift was commanded by PCM. | Incorrect gear selection depending on failure or mode and manual lever position. Shift errors may also be due to other internal transmission concerns (stuck valves, damaged friction material). | REFER to Figure. Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH SOLENOIDS . |
| P1714 | SSA, internal components | SSA malfunction | Mechanical failure of the solenoid detected. | Incorrect gear selection depending on condition, mode and manual lever position. See Solenoid Operation Chart. | Go To PINPOINT TEST F: SOLENOID MECHANICAL FAILURE . |
| P0755 | SSB, wiring, PCM | SSB solenoid circuit failure | SSB circuit fails to provide voltage drop across solenoid. Circuit open or shorted or PCM driver failure during on-board diagnostic. | Incorrect gear selection depending on condition mode and manual lever position. See Solenoid On/Off Chart. | Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH SOLENOIDS . |
| P1715 | SSB | SSB malfunction | Mechanical failure of the solenoid detected. | Incorrect gear selection depending on condition, mode and manual lever position. See Solenoid Operation Chart. | Go To PINPOINT TEST F: SOLENOID MECHANICAL FAILURE . |
| P0758 | SSB, wiring, PCM | SSB electrical circuit failure | SSB circuit fails to provide voltage drop across solenoid. Circuit open or shorted or PCM driver failure during on-board diagnostic. | Incorrect gear depending on condition mode and manual lever position. See Solenoid Off/On Chart. Flashing Transmission Control Indicator Lamp (TCIL). | Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH SOLENOIDS . |
| P0782 | SSA, SSB or internal parts | 2-3 shift error | Engine rpm drop not detected when 2-3 shift was commanded by PCM. | Incorrect gear selection depending on failure or mode and manual lever position. Shift errors may also be due to other internal transmission concerns (stuck valves, damaged friction material). | REFER to Figure. Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH SOLENOIDS . |
| P0783 | SSA, SSB or internal parts | 3-4 shift error | Engine rpm drop not detected when 3-4 shift was commanded by PCM. | Incorrect gear selection depending on failure or mode and manual lever position. Shift errors may also be due to other internal transmission concerns (stuck valves, damaged friction material). | REFER to Figure. Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH SOLENOIDS . |
| P1116 | ECT | ECT out of on - board diagnostic range | ECT temperature higher or lower than expected during KOEO and KOER. | Rerun on-board diagnostic at normal operating temperature. | REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE . |
| P1124 | TP | TP voltage high/low for on-board diagnostic | TP was not in the correct position for on-board diagnostic. | Rerun at appropriate throttle position per application. | REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE . |
| P1460 | A/C | A/C clutch cycling pressure switch error | A/C or defrost on condition may result from A/C clutch being on during on-board diagnostic. | DTC set during on - board diagnostic, repeat with A/C off. Failed on, EPC pressure slightly low with A/C OFF. | REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE . |
| P1636 | PCM | PCM detected internal error | - | - | REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE . |
| P1703 | BPP | BPP switch circuit failed. | Brake ON/OFF circuit failure. | Failed ON or not connected - torque converter clutch will not engage at less than 1/3 throttle. Failed OFF or not connected - torque converter clutch will not disengage when brake is applied. | REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE . |
| P1703 | BPP | Brake not actuated during on-board diagnostic | Brake not cycled during KOER. | Failed OFF or not connected - torque converter clutch will not engage at less than 1/3 throttle. Failed OFF or not connected - torque converter clutch will not disengage when brake is applied. | REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE . |
| P0740 | TCC, wiring, PCM | TCC electrical circuit failure | TCC circuit fails to provide voltage drop across solenoid. Circuit open or shorted or PCM driver failed during on-board diagnostic. | Short circuit: engine stalls in second (OD, 2 range) at low idle speeds with brake applied. Open circuit: torque converter clutch never engages. Flashing Transmission Control Indicator Lamp (TCIL). | Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH SOLENOIDS . |
| P1740 | TCC | TCC malfunction | Mechanical failure of the solenoid detected. | Failed ON - Engine stalls in 2nd (O/D, Manual 2 ranges) at low idle speeds with brake applied. Failed OFF - Torque Converter never applies. | Go To PINPOINT TEST F: SOLENOID MECHANICAL FAILURE . |
| P1741 | TCC, internal components | Excessive torque converter clutch engagement error | Excessive variations in slip (engine speed surge) across the torque converter clutch. | Engine rpm oscillation is present in 3rd gear. | Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH SOLENOIDS . |
| P1742 | TCC, internal components | TCC solenoid failed ON | TCC solenoid has failed on by electric, mechanical or hydraulic concern. | Harsh shifts. | Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH SOLENOIDS . |
| P1743 | TCC, internal components | TCC solenoid failed ON | TCC solenoid has failed ON by electric, mechanical or hydraulic concern. | Harsh shifts. | Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH SOLENOIDS . |
| P1744 | TCC | TCC | The PCM picked up an excessive amount of TCC slippage during normal vehicle operation. | TCC slippage/erratic or no torque converter clutch operation. | GO to DIAGNOSIS BY SYMPTOM . |
| P1780 | TCS | TCS not changing states | TCS not cycled during self-test. TCS circuit open or shorted. | Rerun on-board diagnostic and cycle switch. No OD cancel when switch is cycled. | REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE . |
| - | TCIL | TCIL circuit failure | TCIL circuit open or shorted. | Failed on, OD cancel mode on. No flashing TCIL for EPC failure or sensor. Failed off, OD cancel mode never indicated. No flashing TCIL for EPC sensor failure. | REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE |
| P1728 | Trans | Transmission slip error | Excessive slip detected. | Transmission slippage, erratic or no torque converter operation. | GO to DIAGNOSIS BY SYMPTOM . |
| P0500 P0503 P1502 | ABS | Insufficient VSS input from ABS through SCP link | PCM detected a loss of VSS signal through SCP link from ABS. | No transmission symptom I.P. speedometer may be affected. | Refer to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE . |
| U1039 | PCM | Data communication link error | Insufficient VSS input to instrument panel via SCP link. | No VSS input to instrument panel. | Refer to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE . |
Output circuit check, generated only by electrical symptoms.
May also be generated by some other non-electric transmission hardware system.