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Diagnostic Trouble Code Table

HINT:

Factors such as instrument type may cause readings to differ slightly from stated values. If any DTCs are displayed during a check mode DTC check, check the circuit for the DTCs listed in DIAGNOSTIC TROUBLE CODE TABLE . For details of each DTC, refer to the information indicated.

DIAGNOSTIC TROUBLE CODE TABLE

DTC No. Detection Item Trouble Areas MIL Memory
P0010  Camshaft Position "A" Actuator Circuit (Bank 1)
  • Open or short in Oil control valve (OCV) (bank 1) circuit
  • OCV (bank 1)
  • ECM
 Comes on DTC stored
P0011  Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1)
  • Valve timing
  • OCV (bank 1)
  • OCV filter
  • Camshaft timing gear assembly
  • ECM
 Comes on DTC stored
P0012  Camshaft Position "A" - Timing Over-Retarded (Bank 1)
  • Same as DTC P0011
 Comes on DTC stored
P0016  Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A)
  • Mechanical system (Timing chain has jumped tooth or chain stretched)
  • ECM
 Comes on DTC stored
P0018  Crankshaft Position - Camshaft Position Correlation (Bank 2 Sensor A)
  • Same as DTC P0016
 Comes on DTC stored
P0020  Camshaft Position "A" Actuator Circuit (Bank 2)
  • Open or short in OCV (bank 2) circuit
  • OCV (bank 2)
  • ECM
 Comes on DTC stored
P0021  Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 2)
  • Valve timing
  • OCV (bank 2)
  • OCV filter
  • Camshaft timing gear assembly
  • ECM
 Comes on DTC stored
P0022  Camshaft Position "A" - Timing Over-Retarded (Bank 2)
  • Same as DTC P0021
 Comes on DTC stored
P0031  Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1)
  • Open in Air-fuel Ratio (A/F) sensor heater circuit
  • A/F sensor heater
  • A/F sensor heater relay
  • ECM
 Comes on DTC stored
P0032  Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1)
  • Short in A/F sensor heater circuit
  • A/F sensor heater
  • A/F sensor heater relay
  • ECM
 Comes on DTC stored
P0037  Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2)
  • Open in Heated Oxygen (HO2) sensor heater circuit
  • HO2 sensor heater
  • EFI relay
  • ECM
 Comes on DTC stored
P0038  Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2)
  • Short in HO2 sensor heater circuit
  • HO2 sensor heater
  • EFI relay
  • ECM
 Comes on DTC stored
P0051  Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 2 Sensor 1)
  • Same as DTC P0031
 Comes on DTC stored
P0052  Oxygen (A/F) Sensor Heater Control Circuit High (Bank 2 Sensor 1)
  • Same as DTC P0032
 Comes on DTC stored
P0057  Oxygen Sensor Heater Control Circuit Low (Bank 2 Sensor 2)
  • Same as DTC P0037
 Comes on DTC stored
P0058  Oxygen Sensor Heater Control Circuit High (Bank 2 Sensor 2)
  • Same as DTC P0038
 Comes on DTC stored
P0100  Mass or Volume Air Flow Circuit
  • Open or short in Mass Air Flow (MAF) meter circuit
  • MAF meter.
  • ECM
 Comes on DTC stored
P0101  Mass Air Flow Circuit Range/Performance Problem
  • MAF meter
  • Air induction system
  • PCV hose connections
 Comes on DTC stored
P0102  Mass or Volume Air Flow Circuit Low Input
  • Open in MAF meter circuit
  • Short in ground circuit
  • MAF meter
  • ECM
 Comes on DTC stored
P0103  Mass or Volume Air Flow Circuit High Input
  • Short in MAF meter circuit (+B circuit)
  • MAF meter
  • ECM
 Comes on DTC stored
P0110  Intake Air Temperature Circuit
  • Open or short in Intake Air Temperature (IAT) sensor circuit
  • IAT sensor (built into MAF meter)
  • ECM
 Comes on DTC stored
P0111  Intake Air Temperature Sensor Gradient Too High
  • IAT sensor 5 (built into MAF meter)
 Comes on DTC stored
P0112  Intake Air Temperature Circuit Low Input
  • Short in IAT sensor circuit
  • IAT sensor (built into MAF meter)
  • ECM
 Comes on DTC stored
P0113  Intake Air Temperature Circuit High Input
  • Open in IAT sensor circuit
  • IAT sensor (built into MAF meter)
  • ECM
 Comes on DTC stored
P0115  Engine Coolant Temperature Circuit
  • Open or short in Engine Coolant Temperature (ECT) sensor circuit
  • ECT sensor
  • ECM
 Comes on DTC stored
P0116  Engine Coolant Temperature Circuit Range/Performance Problem
  • Thermostat
  • ECT sensor
 Comes on DTC stored
P0117  Engine Coolant Temperature Circuit Low Input
  • Short in-EGT sensor circuit
  • ECT sensor
  • ECM
 Comes on DTC stored
P0118  Engine Coolant Temperature Circuit High Input
  • Open in ECT sensor circuit
  • ECT sensor
  • ECM
 Comes on DTC stored
P0120  Throttle/Pedal Position Sensor/Switch "A" Circuit
  • Throttle Position (TP) sensor (built into throttle body)
  • ECM
 Comes on DTC stored
P0121  Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance Problem
  • TP sensor (built into throttle body).
 Comes on DTC stored
P0122  Throttle/Pedal Position Sensor/Switch "A" Circuit Low Input
  • TP sensor (built into throttle body)
  • Short in VTA1 circuit
  • Open in VC circuit
  • ECM
 Comes on DTC stored
P0123  Throttle / Pedal Position Sensor / Switch "A" Circuit High Input
  • TP sensor (built into throttle body)
  • Open in VTA1 circuit
  • Open in E2 circuit
  • Short between VC and VTA1 circuits
  • ECM
 Comes on DTC stored
P0125  Insufficient Coolant Temperature for Closed Loop Fuel Control
  • Cooling system
  • ECT sensor
  • Thermostat
 Comes on DTC stored
P0128  Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
  • Thermostat
  • Cooling system
  • ECT sensor
  • ECM
 Comes on DTC stored
P0136  Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)
  • Open or short in HO2 sensor (bank 1 sensor 2) circuit
  • HO2 sensor (bank 1 sensor 2)
  • HO2 sensor heater (bank 1 sensor 2)
  • A/F sensor (bank 1 sensor 1)
  • EFI relay
  • Gas leakage from exhaust system
 Comes on DTC stored
P0137  Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2)
  • Open in HO2 sensor (bank 1 sensor 2) circuit
  • HO2 sensor (bank 1 sensor 2)
  • HO2 sensor heater (bank 1 sensor 2)
  • EFI relay
  • Gas leakage from exhaust system
 Comes on DTC stored
P0138  Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2)
  • Short in HO2 sensor (bank 1 sensor 2) circuit
  • HO2 sensor (bank 1 sensor 2)
  • ECM internal circuit malfunction
 Comes on DTC stored
P0141  Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
  • Open or short in HO2 sensor heater circuit
  • HO2 sensor heater
  • EFI relay
  • ECM
 Comes on DTC stored
P0156  Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 2)
  • Open or short in HO2 sensor (bank 2 sensor 2) circuit
  • HO2 sensor (bank 2 sensor 2)
  • HO2 sensor heater (bank 2 sensor 2)
  • A/F sensor (bank 2 sensor 1)
  • EFI relay
  • Gas leakage from exhaust system
 Comes on DTC stored
P0157  Oxygen Sensor Circuit Low Voltage (Bank 2 Sensor 2)
  • Open in HO2 sensor (bank 2 sensor 2) circuit
  • HO2 sensor (bank 2 sensor 2)
  • HO2 sensor heater (bank 2 sensor 2)
  • EFI relay
  • Gas leakage from exhaust system
 Comes on DTC stored
P0158  Oxygen Sensor Circuit High Voltage (Bank 2 Sensor 2)
  • Short in HO2 sensor (bank 2 sensor 2) circuit
  • HO2 sensor (bank 2 sensor 2)
  • ECM internal circuit malfunction
 Comes on DTC stored
P0161  Oxygen Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)
  • Same as DTC P0141
 Comes on DTC stored
P0171  System Too Lean (Bank 1)
  • Air induction system
  • Injector blockage
  • MAF meter
  • ECT sensor
  • Fuel pressure
  • Gas leakage from exhaust system
  • Open or short in A/F sensor (bank 1 sensor 1) circuit
  • A/F sensor (bank 1 sensor 1)
  • A/F sensor heater (bank 1 sensor 1)
  • A/F sensor heater relay
  • A/F sensor heater and A/F sensor heater relay circuits
  • PCV hose connections
  • PCV valve and hose
  • ECM
 Comes on DTC stored
P0172  System Too Rich (Bank 1)
  • Injector leakage or blockage
  • MAF meter
  • ECT sensor
  • Ignition system
  • Fuel pressure
  • Gas leakage from exhaust system
  • Open or short in A/F sensor (bank 1 sensor 1) circuit
  • A/F sensor (bank 1 sensor 1)
  • A/F sensor heater (bank 1 sensor 1)
  • A/F sensor heater relay
  • A/F sensor heater and A/F sensor heater relay circuits
  • ECM
 Comes on DTC stored
P0174  System Too Lean (Bank 2)
  • Air induction system
  • Injector blockage
  • MAF meter
  • ECT sensor
  • Fuel pressure
  • Gas leakage from exhaust system
  • Open or short in A/F sensor (bank 2 sensor 1) circuit
  • A/F sensor (bank 2 sensor 1)
  • A/F sensor heater (bank 2 sensor 1)
  • A/F sensor heater relay
  • A/F sensor heater and A/F sensor heater relay circuits
  • PCV hose connections
  • PCV valve and hose
  • ECM
 Comes on DTC stored
P0175  System Too Rich (Bank 2)
  • Injector leakage or blockage - MAF meter
  • ECT sensor
  • Ignition system
  • Fuel pressure
  • Gas leakage from exhaust system
  • Open or short in A/F sensor (bank 2 sensor 1) circuit
  • A/F sensor (bank 2 sensor 1)
  • A/F sensor neater (bank 2 sensor 1)
  • A/F sensor heater relay
  • A/F sensor heater and A/F sensor heater relay circuits
  • ECM
 Comes on DTC stored
P0220  Throttle/Pedal Position Sensor/Switch "B" Circuit
  • TP sensor (built into throttle body)
  • ECM
 Comes on DTC stored
P0222  Throttle/Pedal Position Sensor/Switch "B" Circuit Low Input
  • TP sensor (built into throttle body)
  • Short in VTA2 circuit
  • Open in VC circuit
  • ECM
 Comes on DTC stored
P0223  Throttle/Pedal Position Sensor/Switch "B" Circuit High Input
  • TP sensor (built into throttle body)
  • Open in VTA2 circuit
  • Open in E2 circuit
  • Short between VC and VTA2 circuits
  • ECM
 Comes on DTC stored
P0230  Fuel Pump Primary Circuit
  • Open or short in fuel pump relay circuit
  • Fuel pump relay
  • ECM
 - DTC stored
P0300  Random/Multiple Cylinder Misfire Detected
  • Open or short in engine wire harness
  • Connector connection
  • Vacuum hose connection
  • Ignition system
  • Injector
  • Fuel pressure
  • MAF meter
  • ECT sensor
  • Compression pressure
  • Valve clearance
  • Valve timing
  • PCV hose connections
  • PCV valve and hose
  • Air induction system
  • ECM
 Comes on/ Blinks (1) DTC stored
P0301  Cylinder 1 Misfire Detected
  • Same as DTC P0300
 Comes on/ Blinks (1) DTC stored
P0302  Cylinder 2 Misfire Detected
  • Same as DTC P0300
 Comes on/ Blinks (1) DTC stored
P0303  Cylinder 3 Misfire Detected
  • Same as DTC P0300
 Comes on/ Blinks (1) DTC stored
P0304  Cylinder 4 Misfire Detected
  • Same as DTC P0300
 Comes on/ Blinks (1) DTC stored
P0305  Cylinder 5 Misfire Detected
  • Same as DTC P0300
 Comes on/ Blinks (1) DTC stored
P0306  Cylinder 6 Misfire Detected
  • Same as DTC P0300
 Comes on/ Blinks (1) DTC stored
P0327  Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor)
  • Short in knock sensor 1 circuit
  • Knock sensor 1
  • ECM
 Comes on DTC stored
P0328  Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor)
  • Open in knock sensor 1 circuit
  • Knock sensor 1
  • ECM
 Comes on DTC stored
P0332  Knock Sensor 2 Circuit Low Input (Bank 2)
  • Short in knock sensor 2 circuit
  • Knock sensor 2
  • ECM
 Comes on DTC stored
P0333  Knock Sensor 2 Circuit High Input (Bank 2)
  • Open in knock sensor 2 circuit
  • Knock sensor 2
  • ECM
 Comes on DTC stored
P0335  Crankshaft Position Sensor "A" Circuit
  • Open or short in Crankshaft Position (CKP) sensor circuit
  • CKP sensor
  • Sensor plate (CKP sensor plate)
  • ECM
 Comes on DTC stored
P0339  Crankshaft Position Sensor "A" Circuit Intermittent
  • Same as DTC P0335
 - DTC stored
P0340  Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor)
  • Open or short in Variable Valve Timing (VVT) sensor circuit
  • VVT sensor
  • Camshaft timing gear
  • Jumped tooth of timing chain
  • ECM
 Comes on DTC stored
P0342  Camshaft Position Sensor "A" Circuit Low Input (Bank 1 or Single Sensor)
  • Same as DTC P0340
 Comes on DTC stored
P0343  Camshaft Position Sensor "A" Circuit High Input (Bank 1 or Single Sensor)
  • Same as DTC P0340
 Comes on DTC stored
P0345  Camshaft Position Sensor "A" Circuit (Bank 2)
  • Same as DTC P0340
 Comes on DTC stored
P0347  Camshaft Position Sensor "A" Circuit Low Input (Bank 2)
  • Same as DTC P0340
 Comes on DTC stored
P0348  Camshaft Position Sensor "A" Circuit High Input (Bank 2)
  • Same as DTC P0340
 Comes on DTC stored
P0351  Ignition Coil "A" Primary/Secondary Circuit
  • Ignition system
  • Open or short in IGF1 or IGT circuit (1 to 6) between ignition coil with igniter and ECM
  • No. 1 to No. 6 ignition coils with igniters
  • ECM
 Comes on DTC stored
P0352  Ignition Coil "B" Primary/Secondary Circuit
  • Same as DTC P0351
 Comes on DTC stored
P0353  Ignition Coil "C" Primary/Secondary Circuit
  • Same as DTC P0351
 Comes on DTC stored
P0354  Ignition Coil "D" Primary/Secondary Circuit
  • Same as DTC P0351
 Comes on DTC stored
P0355  Ignition Coil "E" Primary/Secondary Circuit
  • Same as DTC P0351
 Comes on DTC stored
P0356  Ignition Coil "F" Primary/Secondary Circuit
  • Same as DTC P0351
 Comes on DTC stored
P0420  Catalyst System Efficiency Below Threshold (Bank 1)
  • Gas leakage from exhaust system
  • A/F sensor (bank 1 sensor 1)
  • HO2 sensor (bank 1 sensor 2)
  • Exhaust manifold (TWO)
 Comes on DTC stored
P0430  Catalyst System Efficiency Below Threshold (Bank 2)
  • Gas leakage from exhaust system
  • A/F sensor (bank 2 sensor 1)
  • HO2 sensor (bank 2 sensor 2)
  • Exhaust manifold (TWC)
 Comes on DTC stored
P043E  Evaporative Emission System Reference Orifice Clog Up
  • Canister pump module (Reference orifice, leak detection pump, vent valve)
  • Connector/wire harness (Canister pump module ECM)
  • EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  • ECM
 Comes on DTC stored
P043F  Evaporative Emission System Reference Orifice High Flow
  • Same as DTC P043E
 Comes on DTC stored
P0441  Evaporative Emission Control System Incorrect Purge Flow
  • Purge VSV
  • Connector/wire harness (Purge VSV - ECM)
  • Canister pump module
  • Leakage from EVAP system
  • Leakage from EVAP line (Purge VSV
  • Intake manifold)
  • ECM
 Comes on DTC stored
P0450  Evaporative Emission Control System Pressure Sensor/Switch
  • Canister pump module
  • EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  • ECM
 Comes on DTC stored
P0451  Evaporative Emission Control System Pressure Sensor Range/Performance
  • Canister pump module
  • Connector/wire harness (Canister pump module-ECM)
  • EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  • ECM
 Comes on DTC stored
P0452  Evaporative Emission Control System Pressure Sensor/Switch Low Input
  • Same as DTC P0451
 Comes on DTC stored
P0453  Evaporative Emission Control System Pressure Sensor/Switch High Input
  • Same as DTC P0451
 Comes on DTC stored
P0455  Evaporative Emission Control System Leak Detected (Gross Leak)
  • Fuel cap (loose)
  • Leakage from EVAP line (Canister - Fuel tank)
  • Leakage from EVAP line (Purge VSV - Canister)
  • Canister pump module
  • Leakage from fuel tank
  • Leakage from canister
 Comes on DTC stored
P0456  Evaporative Emission Control System Leak Detected (Very Small Leak)
  • Same as DTC P0455
 Comes on DTC stored
P0500  Vehicle Speed Sensor "A"
  • Open or short in speed signal circuit
  • Vehicle speed sensor
  • Combination meter
  • ECM
  • Skid control ECU
 Comes on DTC stored
P0504  Brake Switch "A"/"B" Correlation
  • Short in stop light switch signal circuit
  • STOP fuse
  • Stop light switch
  • ECM
 - DTC stored
P0505  Idle Control System Malfunction
  • ETCS
  • Air induction system
  • PCV hose connections
  • ECM
 Comes on DTC stored
P050A  Cold Start Idle Air Control System Performance
  • Throttle body assembly
  • MAF meter
  • Air induction system
  • PCV hose connections
  • VVT system
  • Air cleaner filter element
  • ECM
 Comes on DTC stored
P050B  Cold Start Ignition Timing Performance
  • Same as DTC P050A
 Comes on DTC stored
P0560  System Voltage
  • Open in back up power source circuit
  • EFI fuse
  • ECM
 Comes on DTC stored
P0604  Internal Control Module Random Access Memory (RAM) Error
  • ECM
 Comes on DTC stored
P0606  ECM/PCM Processor
  • ECM
 Comes on DTC stored
P0607  Control Module Performance
  • ECM
 Comes on DTC stored
P0617  Starter Relay Circuit High
  • Park/Neutral Position (PNP) switch (A/T)
  • Clutch start switch (M/T)
  • Starter relay circuit
  • Ignition switch
  • ECM
 Comes on DTC stored
P0630  VIN not Programmed or Mismatch - ECM/PCM
  • ECM
 Comes on DTC stored
P0657  Actuator Supply Voltage Circuit/Open
  • ECM
 Comes on DTC stored
P0724  Brake Switch "B" Circuit High
  • Short in stop light switch signal circuit
  • Stop light switch
  • ECM
 Comes on DTC stored
P1500  AC Inverter Malfunction
  • Open or short in speed signal circuit
  • Short between idle-up signal and +B circuits
  • Voltage Inverter
  • ECM
 Comes on DTC stored
P2102  Throttle Actuator Control Motor Circuit Low
  • Open in throttle actuator circuit
  • Throttle actuator
  • ECM
 Comes on DTC stored
P2103  Throttle Actuator Control Motor Circuit High
  • Short in throttle actuator circuit
  • Throttle actuator
  • Throttle valve
  • Throttle body assembly
  • ECM
 Comes on DTC stored
P2111  Throttle Actuator Control System - Stuck Open
  • Throttle actuator
  • Throttle body assembly
  • Throttle valve
 Comes on DTC stored
P2112  Throttle Actuator Control System - Stuck Closed
  • Same as DTC P2111
 Comes on DTC stored
P2118  Throttle Actuator Control Motor Current Range/Performance
  • Open in ETCS power source circuit
  • ETCS fuse
  • ECM
 Comes on DTC stored
P2119  Throttle Actuator Control Throttle Body Range / Performance
  • ETCS
  • ECM
 Comes on DTC stored
P2120  Throttle / Pedal Position Sensor / Switch "D" Circuit
  • Accelerator Pedal Position (APP) sensor
  • ECM
 Comes on DTC stored
P2121  Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance
  • APP sensor
  • ECM
 Comes on DTC stored
P2122  Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input
  • APP sensor
  • Open in VCP1 circuit
  • Open or ground short in VPA circuit
  • ECM
 Comes on DTC stored
P2123  Throttle / Pedal Position Sensor / Switch "D" Circuit High Input
  • APP sensor
  • Open in EPA circuit
  • ECM
 Comes on DTC stored
P2125  Throttle / Pedal Position Sensor / Switch "E" Circuit
  • APP sensor
  • ECM
 Comes on DTC stored
P2127  Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input
  • APP sensor
  • Open in VGP2 circuit
  • Open or ground short in VPA2 circuit
  • ECM
 Comes on DTC stored
P2128  Throttle / Pedal Position Sensor / Switch "E" Circuit High Input
  • APP sensor
  • Open in EPA2 circuit
  • ECM
 Comes on DTC stored
P2135  Throttle / Pedal Position Sensor / Switch "A"/"B" Voltage Correlation
  • Short between VTA1 and VTA2 circuits
  • TP sensor (built into throttle body)
  • ECM
 Comes on DTC stored
P2138  Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation
  • Short between VPA and VPA2 circuits
  • APP sensor
  • ECM
 Comes on DTC stored
P2195  Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1)
  • Open or short in A/F sensor (bank 1 sensor 1) circuit
  • A/F sensor (bank 1 sensor 1)
  • A/F sensor heater (bank 1 sensor 1)
  • A/F sensor heater relay
  • A/F sensor heater and relay circuits
  • Air Induction system
  • Fuel pressure
  • Injector
  • ECM
 Comes on DTC stored
P2196  Oxygen (A/F) Sensor Signal Stuck Rich (Bank 1 Sensor 1)
  • Same as DTC P2195
 Comes on DTC stored
P2197  Oxygen (A/F) Sensor Signal Stuck Lean (Bank 2 Sensor 1)
  • Open or short in A/F sensor (bank 2 sensor 1) circuit
  • A/F sensor (bank 2 sensor 1)
  • A/F sensor heater (bank 2 sensor 1)
  • A/F sensor heater relay
  • A/F sensor heater and relay circuits
  • Air induction system
  • Fuel pressure
  • Injector
  • ECM
 Comes on DTC stored
P2198  Oxygen (A/F) Sensor Signal Stuck Rich (Bank 2 Sensor 1)
  • Same as DTC P2197
 Comes on DTC stored
P2238  Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1)
  • Open or short in A/F sensor (bank 1 sensor 1) circuit
  • A/F sensor (bank 1 sensor 1)
  • A/F sensor heater
  • A/F sensor heater relay
  • A/F sensor heater and relay circuits
  • ECM
 Comes on DTC stored
P2239  Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1)
  • Same as DTC P2238
 Comes on DTC stored
P2241  Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 2 Sensor 1)
  • Open or short in A/F sensor (bank 2 sensor 1) circuit
  • A/F sensor (bank 2 sensor 1)
  • A/F sensor heater
  • A/F sensor heater relay
  • A/F sensor heater and relay circuits
  • ECM
 Comes on DTC stored
P2242  Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 2 Sensor 1)
  • Same as DTC P2241
 Comes on DTC stored
P2252  Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 1 Sensor 1)
  • Same as DTC P2238
 Comes on DTC stored
P2253  Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 1 Sensor 1)
  • Same as DTC P2238
 Comes on DTC stored
P2255  Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 2 Sensor 1)
  • Same as DTC P2241
 Comes on DTC stored
P2256  Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 2 Sensor 1)
  • Same as DTC P2241
 Comes on DTC stored
P2401  Evaporative Emission Leak Detection Pump Stuck OFF
  • Canister pump module (Reference orifice, leak detection pump, vent valve)
  • Connector/wire harness (Canister pump module - ECM)
  • EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  • ECM
 Comes on DTC stored
P2402  Evaporative Emission Leak Detection Pump Stuck ON
  • Same as DTC P2401
 Comes on DTC stored
P2419  Evaporative Emission System Switching Valve Control Circuit Low
  • Canister pump module (Reference orifice, leak detection pump, vent valve)
  • Connector/wire harness (Canister pump module - ECM)
  • EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  • ECM
 Comes on DTC stored
P2420  Evaporative Emission System Switching Valve Control Circuit High
  • Canister pump module (Reference orifice, leak detection pump, vent valve)
  • Connector/wire harness (Canister pump module - ECM)
  • ECM
 Comes on DTC stored
P2610  ECM/PCM Internal Engine Off Timer Performance
  • ECM
 Comes on DTC stored
P2A00  A/F Sensor Circuit Slow Response (Bank 1 Sensor 1)
  • Open or short in A/F sensor (bank 1 sensor 1) circuit
  • A/F sensor
  • A/F sensor heater
  • ECM
 Comes on DTC stored
P2A03  A/F Sensor Circuit Slow Response (Bank 2 Sensor 1)
  • Open or short in A/F sensor (bank 2 sensor 1) circuit
  • A/F sensor
  • A/F sensor heater
  • ECM
 Comes on DTC stored
(1) MIL flashes when a catalyst damaged misfire is detected.
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