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Home >> Toyota >> 2006 >> Highlander Base, 2.4 D, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2AZ-FE) (Except Hybrid) >> SFI System >> Diagnostic Trouble Code Chart

Diagnostic Trouble Code Chart

HINT:

Parameters listed in the chart may be different from your readings depending on the type of instrument used and other factors.

During the DTC check, refer to the table below if a malfunction code is displayed. For details about each code, refer to the page number in the DTC chart's left column.

SFI SYSTEM

DIAGNOSTIC TROUBLE CODE CHART

DTC No. Detection Item Trouble Area MIL Memory
P0010  Camshaft Position "A" Actuator Circuit (Bank 1)
  1. Open or short in OCV circuit
  2. OCV valve
  3. ECM
Come on DTC Stored
P0011  Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1)
  1. Valve timing
  2. OCV
  3. VVT controller assembly
  4. ECM
Come on DTC Stored
P0012  Camshaft Position "A" - Timing Over-Retarded (Bank 1)
  1. Valve timing
  2. OCV
  3. VVT controller assembly
  4. ECM
Come on DTC Stored
P0016  Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A)
  1. Mechanical system (jumped tooth of timing chain, chain stretched)
  2. ECM
Come on DTC Stored
P0031  Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1)
  1. Open in heater circuit of A/F sensor
  2. A/F sensor heater
  3. EFI relay
  4. ECM
Come on DTC Stored
P0032  Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1)
  1. Short in heater circuit of A/F sensor
  2. A/F sensor heater
  3. EFI relay
  4. ECM
Come on DTC Stored
P0037  Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2)
  1. Open or short in heater circuit of heated oxygen sensor
  2. Heated oxygen sensor heater
  3. EFI relay
  4. ECM
Come on DTC Stored
P0038  Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2)
  1. Open or short in heater circuit of heated oxygen sensor
  2. Heated oxygen sensor heater
  3. EFI relay
  4. ECM
Come on DTC Stored
P0100  Mass or Volume Air Flow Circuit
  1. Open or short in mass air flow meter circuit
  2. Mass air flow meter
  3. ECM
Come on DTC Stored
P0101  Mass or Volume Air Flow Circuit Range / Performance Problem Mass air flow meter Come on DTC Stored
P0102  Mass or Volume Air Flow Circuit Low Input
  1. Open or short in mass air flow meter circuit
  2. Mass air flow meter
  3. ECM
Come on DTC Stored
P0103  Mass or Volume Air Flow Circuit High Input
  1. Open or short in mass air flow meter circuit
  2. Mass air flow meter
  3. ECM
Come on DTC Stored
P0110  Intake Air Temperature Circuit
  1. Open or short in intake air temp. sensor circuit
  2. Intake air temperature sensor (built in mass air flow meter)
  3. ECM
Come on DTC Stored
P0112  Intake Air Temperature Circuit Low Input
  1. Open or short in intake air temp. sensor circuit
  2. Intake air temperature sensor (built in mass air flow meter)
  3. ECM
Come on DTC Stored
P0113  Intake Air Temperature Circuit High Input
  1. Open or short in intake air temp. sensor circuit
  2. Intake air temperature sensor (built in mass air flow meter)
  3. ECM
Come on DTC Stored
P0115  Engine Coolant Temperature Circuit
  1. Open or short in engine coolant temperature sensor circuit
  2. Engine coolant temperature sensor
  3. ECM
Come on DTC Stored
P0116  Engine Coolant Temperature Circuit Range / Performance Problem
  1. Cooling system
  2. Engine coolant temperature sensor
Come on DTC Stored
P0117  Engine Coolant Temperature Circuit Low Input
  1. Open or short in engine coolant temperature sensor circuit
  2. Engine coolant temperature sensor
  3. ECM
Come on DTC Stored
P0118  Engine Coolant Temperature Circuit High Input
  1. Open or short in engine coolant temperature sensor circuit
  2. Engine coolant temperature sensor
  3. ECM
Come on DTC Stored
P0120  Throttle Pedal Position Sensor / Switch "A" Circuit Malfunction
  1. Throttle position sensor (built in throttle body)
  2. ECM
Come on DTC Stored
P0121  Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem Throttle body assembly (Throttle position sensor) Come on DTC Stored
P0122  Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input
  1. Throttle position sensor (built in throttle body)
  2. Short in VTA1 circuit
  3. Open in VC circuit
  4. ECM
Come on DTC Stored
P0123  Throttle / Pedal Position Sensor / Switch "A" Circuit High Input
  1. Throttle position sensor (built in throttle body)
  2. Open in VTA1 circuit
  3. Open in E2 circuit
  4. VC and VTA1 circuits are short-circuited
  5. ECM
Come on DTC Stored
P0125  Insufficient Coolant Temperature for Closed Loop Fuel Control
  1. Cooling system
  2. Engine coolant temperature sensor
  3. Thermostat
Come on DTC Stored
P0128  Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
  1. Thermostat
  2. Cooling system
  3. Engine coolant temperature sensor
  4. ECM
Come on DTC Stored
P0136  Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)
  1. Open or short in heated oxygen sensor (bank 1 sensor 2) circuit
  2. Heated oxygen sensor (bank 1 sensor 2)
  3. Heated oxygen sensor heater (bank 1 sensor 2)
  4. A/F sensor
  5. A/F sensor heater
  6. EFI relay
Come on DTC Stored
P0137  Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2)
  1. Open or short in heated oxygen sensor (bank 1 sensor 2) circuit (sensor to ECM)
  2. Open or short in heated oxygen sensor (bank 1 sensor 2) internal circuit
Come on DTC Stored
P0138  Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2)
  1. Short in heated oxygen sensor (bank 1 sensor 2) circuit
  2. Short in heated oxygen sensor (bank 1 sensor 2) internal circuit
  3. ECM internal circuit malfunction
Come on DTC Stored
P0139  Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 2)
  1. Short in heated oxygen sensor (bank 1 sensor 2) circuit
  2. Short in heated oxygen sensor (bank 1 sensor 2)
  3. ECM inside circuit malfunction
Come on DTC Stored
P0171  System Too Lean (Bank 1)
  1. Air induction system
  2. Injector blockage
  3. Mass air flow meter
  4. Engine coolant temperature sensor
  5. Fuel pressure
  6. Gas leakage in exhaust system
  7. Open or short in A/F sensor circuit
  8. A/F sensor
  9. A/F sensor heater
  10. EFI relay
  11. A/F sensor heater and EFI relay circuit
  12. PCV hose connection
  13. PCV hose
Come on DTC Stored
P0172  System Too Rich (Bank 1)
  1. Injector leak, blockage
  2. Mass air flow meter
  3. Engine coolant temperature sensor
  4. Ignition system
  5. Fuel pressure
  6. Gas leakage in exhaust system
  7. Open or short in A/F sensor circuit
  8. A/F sensor
  9. A/F sensor heater
  10. A/F sensor heater and EFI relay circuit
  11. EFI relay
Come on DTC Stored
P0220  Throttle / Pedal Position Sensor / Switch "B" Circuit
  1. Throttle position sensor (built in throttle body)
  2. ECM
Come on DTC Stored
P0222  Throttle / Pedal Position Sensor / Switch "B" Circuit Low Input
  1. Throttle position sensor (built in throttle body)
  2. Short in VTA2 circuit
  3. Open in VC circuit
  4. ECM
Come on DTC Stored
P0223  Throttle / Pedal Position Sensor / Switch "B" Circuit High Input
  1. Throttle position sensor (built in throttle body)
  2. Open in VTA2 circuit
  3. Open in E2 circuit
  4. VC and VTA2 circuits are short-circuited
  5. ECM
Come on DTC Stored
P0300  Random / Multiple Cylinder Misfire Detected
  1. Open or short in engine wire
  2. Connector connection
  3. Vacuum hose connection
  4. Ignition system
  5. Injector
  6. Fuel pressure
  7. Mass air flow meter
  8. Engine coolant temp. sensor
  9. Compression pressure
  10. Valve clearance
  11. Valve timing
  12. PCV hose connection
  13. PCV hose
  14. ECM
Come on or flashes DTC Stored
P0301  Cylinder 1 Misfire Detected
  1. Open or short in engine wire
  2. Connector connection
  3. Vacuum hose connection
  4. Ignition system
  5. Injector
  6. Fuel pressure
  7. Mass air flow meter
  8. Engine coolant temp. sensor
  9. Compression pressure
  10. Valve clearance
  11. Valve timing
  12. PCV hose connection
  13. PCV hose
  14. ECM
Come on or flashes DTC Stored
P0302  Cylinder 2 Misfire Detected
  1. Open or short in engine wire
  2. Connector connection
  3. Vacuum hose connection
  4. Ignition system
  5. Injector
  6. Fuel pressure
  7. Mass air flow meter
  8. Engine coolant temp. sensor
  9. Compression pressure
  10. Valve clearance
  11. Valve timing
  12. PCV hose connection
  13. PCV hose
  14. ECM
Come on or flashes DTC Stored
P0303  Cylinder 3 Misfire Detected
  1. Open or short in engine wire
  2. Connector connection
  3. Vacuum hose connection
  4. Ignition system
  5. Injector
  6. Fuel pressure
  7. Mass air flow meter
  8. Engine coolant temp. sensor
  9. Compression pressure
  10. Valve clearance
  11. Valve timing
  12. PCV hose connection
  13. PCV hose
  14. ECM
Come on or flashes DTC Stored
P0304  Cylinder 4 Misfire Detected
  1. Open or short in engine wire
  2. Connector connection
  3. Vacuum hose connection
  4. Ignition system
  5. Injector
  6. Fuel pressure
  7. Mass air flow meter
  8. Engine coolant temp. sensor
  9. Compression pressure
  10. Valve clearance
  11. Valve timing
  12. PCV hose connection
  13. PCV hose
  14. ECM
Come on or flashes DTC Stored
P0325  Knock Sensor 1 Circuit
  1. Open or short in knock sensor circuit
  2. Knock sensor (under-torqued or loose)
  3. ECM
Come on DTC Stored
P0327  Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor)
  1. Short in knock sensor circuit
  2. Knock sensor
  3. ECM
Come on DTC Stored
P0328  Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor)
  1. Open in knock sensor circuit
  2. Knock sensor
  3. ECM
Come on DTC Stored
P0335  Crankshaft Position Sensor "A" Circuit
  1. Open or short in crankshaft position sensor circuit
  2. Crankshaft position sensor
  3. Signal plate (Crankshaft position sensor plate No.1)
  4. ECM
Come on DTC Stored
P0339  Crankshaft Position Sensor "A" Circuit Intermittent
  1. Open or short in crankshaft position sensor circuit
  2. Crankshaft position sensor
  3. Signal plate (Crankshaft position sensor plate No.1)
  4. ECM
Come on DTC Stored
P0340  Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor)
  1. Open or short in camshaft position sensor circuit
  2. Camshaft position sensor
  3. Camshaft timing gear
  4. Timing chain has a jumped tooth
  5. ECM
Come on DTC Stored
P0341  Camshaft Position Sensor "A" Circuit Range / Performance (Bank 1 or Single Sensor)
  1. Open or short in camshaft position sensor circuit
  2. Camshaft position sensor
  3. Camshaft timing gear
  4. Timing chain has a jumped tooth
  5. ECM
Come on DTC Stored
P0351  Ignition Coil "A" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IGF and IGT1 to 4 circuits from ignition coil with igniter assembly to ECM
  3. No.1 - 4 ignition coil assembly
  4. ECM
Come on DTC Stored
P0352  Ignition Coil "B" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IGF and IGT1 to 4 circuits from ignition coil with igniter assembly to ECM
  3. No.1 - 4 ignition coil assembly
  4. ECM
Come on DTC Stored
P0353  Ignition Coil "C" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IGF and IGT1 to 4 circuits from ignition coil with igniter assembly to ECM
  3. No.1 - 4 ignition coil assembly
  4. ECM
Come on DTC Stored
P0354  Ignition Coil "D" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IGF and IGT1 to 4 circuits from ignition coil with igniter assembly to ECM
  3. No.1 - 4 ignition coil assembly
  4. ECM
Come on DTC Stored
P0420  Catalyst System Efficiency Below Threshold (Bank 1)
  1. Gas leakage on exhaust system
  2. A/F sensor
  3. Heated oxygen sensor
  4. Exhaust manifold converter (Three way catalytic converter)
Come on DTC Stored
P043E  Evaporative Emission System Reference Orifice Clog Up
  1. Pump module
  2. Connector/Wire harness (Pump module - ECM)
  3. ECM
  4. Leakage from EVAP system
Come on DTC Stored
P043F  Evaporative Emission System Reference Orifice High Flow
  1. Pump module
  2. Connector/Wire harness (Pump module - ECM)
  3. ECM
  4. Leakage from EVAP system
Come on DTC Stored
P0441  Evaporative Emission Control System Incorrect Purge Flow
  1. Vacuum hose has cracks, holes, or is blocked, damaged or disconnected
  2. Fuel tank cap is incorrectly installed
  3. Fuel tank cap has cracks or is damaged
  4. Open or short in vapor pressure sensor circuit
  5. Vapor pressure sensor
  6. Open or short in EVAP VSV circuit
  7. EVAP VSV
  8. Open or short in CCV circuit
  9. CCV
  10. Fuel tank has cracks, holes, or is damaged
  11. Charcoal canister has cracks, holes, or is damaged
  12. Fuel tank over fill check valve has cracks, or is damaged
  13. ECM
Come on DTC Stored
P0450  Evaporative Emission Control System Pressure Sensor / Switch
  1. Pump module
  2. ECM
Come on DTC Stored
P0451  Evaporative Emission Control System Pressure Sensor Range / Performance
  1. Open or short in vapor pressure sensor circuit
  2. Vapor pressure sensor
  3. ECM
Come on DTC Stored
P0452  Evaporative Emission Control System Pressure Sensor / Switch Low Input
  1. Open or short in vapor pressure sensor circuit
  2. Vapor pressure sensor
  3. ECM
Come on DTC Stored
P0453  Evaporative Emission Control System Pressure Sensor / Switch High Input
  1. Open or short in vapor pressure sensor circuit
  2. Vapor pressure sensor
  3. ECM
Come on DTC Stored
P0455  Evaporative Emission Control System Leak Detected (Gross Leak)
  1. Vacuum hose has cracks, holes, or is blocked, damaged or disconnected
  2. Fuel tank cap is incorrectly installed
  3. Fuel tank cap has cracks or is damaged
  4. Open or short in vapor pressure sensor circuit
  5. Vapor pressure sensor
  6. Open or short in EVAP VSV circuit
  7. EVAP VSV
  8. Open or short in CCV circuit
  9. CCV
  10. Fuel tank has cracks, holes, or is damaged
  11. Charcoal canister has cracks, holes, or is damaged
  12. Fuel tank over fill check valve has cracks, or is damaged
  13. ECM
Come on DTC Stored
P0456  Evaporative Emission Control System Leak Detected (Very Small Leak)
  1. Vacuum hose has cracks, holes, or is blocked, damaged or disconnected
  2. Fuel tank cap is incorrectly installed
  3. Fuel tank cap has cracks or is damaged
  4. Open or short in vapor pressure sensor circuit
  5. Vapor pressure sensor
  6. Open or short in EVAP VSV circuit
  7. EVAP VSV
  8. Open or short in CCV circuit
  9. CCV
  10. Fuel tank has cracks, holes, or is damaged
  11. Charcoal canister has cracks, holes, or is damaged
  12. Fuel tank over fill check valve has cracks, or is damaged
  13. ECM
Come on DTC Stored
P0500  Vehicle Speed Sensor "A"
  1. Combination meter
  2. Open or short in speed sensor circuit
  3. Vehicle speed sensor
  4. ECM
  5. Skid Control ECU Come on
Come on DTC Stored
P0503  Vehicle Speed Sensor "A" Intermittent / Erratic / High
  1. Combination meter
  2. Open or short in speed sensor circuit
  3. Vehicle speed sensor
  4. ECM
  5. Skid Control ECU
Does not come on DTC Stored
P0504  Brake Switch "A" / "B" Correlation
  1. Short in stop light switch signal circuit
  2. Stop light fuse
  3. Stop light switch
  4. ECM
Come on DTC Stored
P0505  Idle Control System Malfunction
  1. Electric throttle control system
  2. Air induction system
  3. PCV hose connection
  4. ECM
Come on DTC Stored
P0560  System Voltage
  1. Open in back-up power source circuit
  2. ECM
Come on DTC Stored
P0604  Internal Control Module Random Access Memory (RAM) Error ECM Come on DTC Stored
P0606  ECM / PCM Processor ECM Come on DTC Stored
P0607  Control Module Performance ECM Come on DTC Stored
P0617  Starter Relay Circuit High
  1. Short in park/ neutral position switch (A/T) or clutch start switch (M/T) circuit
  2. Park/neutral position switch (A/T)
  3. Clutch start switch (M/T)
  4. Ignition switch
  5. ECM
Come on DTC Stored
P0630  VIN not Programmed or Mismatch - ECM / PCM ECM Come on DTC Stored
P0657  Actuator Supply Voltage Circuit / Open ECM Come on DTC Stored
P0705  Transmission Range Sensor Circuit Malfunction (PRNDL Input)
  1. Short in PNP switch circuit
  2. PNP switch
  3. ECM
Come on DTC Stored
P2102  Throttle Actuator Control Motor Circuit Low
  1. Open in throttle control motor circuit
  2. Throttle control motor
  3. ECM
Come on DTC Stored
P2103  Throttle Actuator Control Motor Circuit High
  1. Short in throttle actuator circuit
  2. Throttle actuator
  3. Throttle valve
  4. Throttle body assembly
  5. ECM
Come on DTC Stored
P2111  Throttle Actuator Control System - Stuck Open
  1. Throttle actuator circuit
  2. Throttle actuator
  3. Throttle body
  4. Throttle valve
Come on DTC Stored
P2112  Throttle Actuator Control System - Stuck Closed
  1. Throttle actuator circuit
  2. Throttle actuator
  3. Throttle body
  4. Throttle valve
Come on DTC Stored
P2118  Throttle Actuator Control Motor Current Range / Performance
  1. Open in ETCS power source circuit
  2. ECM
Come on DTC Stored
P2119  Throttle Actuator Control Throttle Body Range / Performance
  1. Electronic throttle control system
  2. ECM
Come on DTC Stored
P2120  Throttle / Pedal Position Sensor / Switch "D" Circuit
  1. Accelerator pedal position sensor
  2. Open in VCP1 circuit
  3. VPA circuit open or ground short
  4. ECM
Come on DTC Stored
P2121  Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance
  1. Open or short in accelerator pedal position sensor circuit
  2. Accelerator pedal position sensor
  3. ECM
Come on DTC Stored
P2122  Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input
  1. Accelerator pedal position sensor
  2. Open in VCP1 circuit
  3. VPA circuit open or ground short
  4. ECM
Come on DTC Stored
P2123  Throttle / Pedal Position Sensor / Switch "D" Circuit High Input
  1. Accelerator pedal position sensor
  2. Open in EPA circuit
  3. ECM
Come on DTC Stored
P2125  Throttle / Pedal Position Sensor / Switch "E" Circuit
  1. Accelerator pedal position sensor
  2. ECM
Come on DTC Stored
P2127  Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input
  1. Accelerator pedal position sensor
  2. Open in VCP2 circuit
  3. VPA2 circuit open or ground short
  4. ECM
Come on DTC Stored
P2128  Throttle / Pedal Position Sensor / Switch "E" Circuit High Input
  1. Accelerator pedal position sensor
  2. Open in EPA2 circuit
  3. ECM
Come on DTC Stored
P2135  Throttle / Pedal Position Sensor / Switch "A" / "B" Voltage Correlation
  1. Open or short in accelerator pedal position sensor circuit
  2. Accelerator pedal position sensor
  3. ECM
Come on DTC Stored
P2138  Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation
  1. VPA and VPA2 circuit are short circuit
  2. Accelerator pedal position sensor
  3. ECM
Come on DTC Stored
P2195  Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1)
  1. Open or short in A/ F sensor circuit
  2. A/F sensor
  3. A/F sensor heater
  4. EFI relay
  5. A/F sensor heater and EFI relay circuit
  6. Air induction system
  7. Fuel pressure
  8. Injector
  9. ECM
Come on DTC Stored
P2196  Oxygen (A/F) Sensor Signal Stuck Rich (Bank 1 Sensor 1)
  1. Open or short in A/F sensor circuit
  2. A/F sensor
  3. A/F sensor heater
  4. EFI relay
  5. A/F sensor heater and EFI relay circuit
  6. Air induction system
  7. Fuel pressure
  8. Injector
  9. ECM
Come on DTC Stored
P2238  Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1)
  1. Open or short in A/F sensor circuit
  2. A/F sensor
  3. A/F sensor heater
  4. EFI relay
  5. Open or short in A/F sensor heater and EFI relay circuit
  6. ECM
Come on DTC Stored
P2239  Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1)
  1. Open or short in A/F sensor circuit
  2. A/F sensor
  3. A/F sensor heater
  4. EFI relay
  5. Open or short in A/F sensor heater and EFI relay circuit
  6. ECM
Come on DTC Stored
P2252  Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 1 Sensor 1)
  1. Open or short in A/F sensor circuit
  2. A/F sensor
  3. A/F sensor heater
  4. EFI relay
  5. Open or short in A/F sensor heater and EFI relay circuit
  6. ECM
Come on DTC Stored
P2253  Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 1 Sensor 1)
  1. Open or short in A/F sensor circuit
  2. A/F sensor
  3. A/F sensor heater
  4. EFI relay
  5. Open or short in A/F sensor heater and EFI relay circuit
  6. ECM
Come on DTC Stored
P2401  Evaporative Emission System Leak Detection Pump Control Circuit Low
  1. Pump module
  2. Connector/Wire harness (Pump module - ECM)
  3. ECM
  4. Leakage from EVAP system
Come on DTC Stored
P2402  Evaporative Emission System Leak Detection Pump Control Circuit High
  1. Pump module
  2. Connector/Wire harness (Pump module - ECM)
  3. ECM
Come on DTC Stored
P2419  Evaporative Emission System Switching Valve Control Circuit Low
  1. Pump module
  2. Connector/Wire harness (Pump module - ECM)
  3. ECM
Come on DTC Stored
P2420  Evaporative Emission System Switching Valve Control Circuit High
  1. Pump module
  2. Connector/Wire harness (Pump module - ECM)
  3. ECM
  4. Leakage from EVAP system
Come on DTC Stored
P2610  ECM / PCM Internal Engine Off Timer Performance ECM Come on DTC Stored
P2A00  A/F Sensor Circuit Slow Response (Bank 1 Sensor 1) Electronic controlled automatic transmission (ECT) Come on DTC Stored