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Diagnostic Trouble Code Table

HINT:

The parameters listed in the table are for reference only. 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 the table below. For details of each DTC, refer to the information indicated.

DIAGNOSTIC TROUBLE CODE TABLE

DTC Code Detection Item Trouble Area MIL Memory
P0010 Camshaft Position "A" Actuator Circuit (Bank1)
  1. Open or short in Oil Control Valve (OCV) (bank1) circuit
  2. Oil Control Valve (OCV) (bank1)
  3. ECM
 Comes on DTC stored
P0011 Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1)
  1. Oil Control Valve (OCV)
  2. Valve timing
  3. VVT controller assembly
  4. ECM
 Comes on DTC stored
P0012 Camshaft Position "A" - Timing Over-Retarded (Bank 1) Same as P0011 Comes on DTC stored
P0016 Crankshaft Position-Camshaft Position Correlation (Bank 1 Sensor A)
  1. Open or short in VVT sensor circuit
  2. VVT sensor
  3. ECM
 Comes on DTC stored
P0018 Crankshaft Position-Camshaft Position Correlation (Bank 2 Sensor A) Same as P0016 Comes on DTC stored
P0020 Camshaft Position "A" Actuator Circuit (Bank 2)
  1. Open or short in OCV (bank 2) circuit
  2. OCV (bank 2)
  3. ECM
 Comes on DTC stored
P0021 Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 2) Same as P0011 Comes on DTC stored
P0022 Camshaft Position "A" - Timing Over-Retarded (Bank 2) Same as P0011 Comes on DTC stored
P0031 Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1)
  1. Open in Air Fuel Ratio (A/F) sensor (bank 1 sensor 1) heater circuit
  2. Air Fuel Ratio (A/F) sensor heater (bank 1 sensor 1)
  3. A/F relay
  4. ECM
 Comes on DTC stored
P0032 Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1)
  1. Short in A/F sensor (bank 1 sensor 1) heater circuit
  2. A/F sensor heater (bank 1 sensor 1)
  3. A/F relay
  4. ECM
 Comes on DTC stored
P0037 Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2)
  1. Open in Heated Oxygen (HO2) sensor heater circuit
  2. Heated Oxygen (HO2) sensor heater (bank 1 sensor 2)
  3. EFI relay
  4. ECM
 Comes on DTC stored
P0038 Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2)
  1. Short in HO2 sensor heater circuit
  2. HO2 sensor heater (bank 1 sensor 2)
  3. EFI relay
  4. ECM
 Comes on DTC stored
P0051 Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 2 Sensor 1)
  1. Open in A/F sensor (bank 2 sensor 1) heater circuit
  2. A/F sensor heater (bank 2 sensor 1)
  3. A/F relay
  4. ECM
 Comes on DTC stored
P0052 Oxygen (A/F) Sensor Heater Control Circuit High (Bank 2 Sensor D
  1. Short in A/F sensor (bank 2 sensor 1) heater circuit
  2. A/F sensor heater (bank 2 sensor 1)
  3. A/F relay
  4. ECM
 Comes on DTC stored
P0057 Oxygen Sensor Heater Control Circuit Low (Bank 2 Sensor 2)
  1. Open in HO2 sensor heater circuit
  2. HO2 sensor heater (bank 2 sensor 2)
  3. EFI relay
  4. ECM
 Comes on DTC stored
P0058 Oxygen Sensor Heater Control Circuit High (Bank 2 Sensor 2)
  1. Short in HO2 sensor heater circuit
  2. HO2 sensor heater (bank 2 sensor 2)
  3. EFI relay
  4. ECM
 Comes on DTC stored
P0100 Mass Air Flow Circuit Malfunction
  1. Open or short in Mass Air Flow (MAF) meter circuit
  2. Mass Air Flow (MAF) meter
  3. ECM
 Comes on DTC stored
P0101 Mass Air Flow Circuit Range / Performance Problem Mass Air Flow (MAF) meter Comes on DTC stored
P0102 Mass Air Flow Circuit Low
  1. Open or short in Mass Air Flow (MAF) meter circuit
  2. Mass Air Flow (MAF) meter
  3. ECM
 Comes on DTC stored
P0103 Mass Air Flow Circuit High
  1. Open or short in Intake Air Temperature (IAT) sensor circuit
  2. Intake Air Temperature (IAT) sensor (built into MAF meter)
  3. ECM
 Comes on DTC stored
P0110 Intake Air Temperature Circuit
  1. Open or short in Intake Air Temperature (IAT) sensor circuit
  2. Intake Air Temperature (IAT) sensor (built into MAF meter)
  3. ECM
 Comes on DTC stored
P0111 Intake Air Temperature Sensor Gradient Too High Mass air flow meter Comes on DTC stored
P0112 Intake Air Temperature Circuit Low Input
  1. Short in IAT sensor circuit
  2. IAT sensor (built into MAF meter)
  3. ECM
 Comes on DTC stored
P0113 Intake Air Temperature Circuit High Input
  1. Open in IAT sensor circuit
  2. IAT sensor (built into MAF meter)
  3. ECM
 Comes on DTC stored
P0115 Engine Coolant Temperature Circuit
  1. Open or short in Engine Coolant Temperature (ECT) sensor circuit
  2. Engine Coolant Temperature (ECT) sensor
  3. ECM
 Comes on DTC stored
P0116 Engine Coolant Temperature Circuit Range / Performance Problem Engine Coolant Temperature (ECT) sensor Comes on DTC stored
P0117 Engine Coolant Temperature Circuit Low Input
  1. Short in ECT sensor circuit
  2. ECT sensor
  3. ECM
 Comes on DTC stored
P0118 Engine Coolant Temperature Circuit High Input
  1. Open in ECT sensor circuit
  2. ECT sensor
  3. ECM
 Comes on DTC stored
P0120 Throttle / Pedal Position Sensor / Switch "A" Circuit
  1. Throttle Position (TP) sensor (built into throttle body)
  2. ECM
 Comes on DTC stored
P0121 P0122 Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem Throttle Position (TP) sensor (built into throttle body) Comes on DTC stored
P0122 Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input
  1. Throttle Position (TP) sensor (built into throttle body)
  2. Short in VTA1 circuit
  3. Open in VC circuit
  4. ECM
 Comes on DTC stored
P0123 Throttle / Pedal Position Sensor / Switch "A" Circuit High Input
  1. Throttle Position (TP) sensor (built into throttle body)
  2. Open in VTA1 circuit
  3. Open in E2 circuit
  4. Short between VC and VTA1 circuits
  5. ECM
 Comes on DTC stored
P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control
  1. Cooling system
  2. Engine Coolant Temperature (ECT) sensor
  3. Thermostat
 Comes on DTC stored
P0128 Thermostat Malfunction
  1. Thermostat
  2. Cooling system
  3. Engine Coolant Temperature (ECT) sensor
  4. ECM
 Comes on DTC stored
P0136 Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)
  1. Open or short in Heated Oxygen (HO2) sensor circuit
  2. Heated Oxygen (HO2) sensor (bank 1 sensor 2)
  3. Heated Oxygen (HO2) sensor heater (bank 1 sensor 2)
  4. Air Fuel Ratio (A/F) sensor (bank 1 sensor 1)
  5. EFI relay
  6. Gas leakage from exhaust system
 Comes on DTC stored
P0137 Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2)
  1. Open in HO2 sensor (bank 1 sensor 2) circuit
  2. HO2 sensor (bank 1 sensor 2)
  3. HO2 sensor heater (bank 1 sensor 2)
  4. EFI relay
  5. Gas leakage from exhaust system
 Comes on DTC stored
P0138 Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2)
  1. Short in HO2 sensor (bank 1 sensor 2) circuit
  2. HO2 sensor (bank 1 sensor 2)
  3. ECM internal circuit malfunction
 Comes on DTC stored
P0141 Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
  1. Open or short in HO2 sensor heater circuit
  2. HO2 sensor heater (bank 1 sensor 2)
  3. EFI relay
  4. ECM
 Comes on DTC stored
P0156 Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 2)
  1. Open or short in HO2 sensor (bank 2 sensor 2) circuit
  2. HO2 sensor (bank 2 sensor 2)
  3. HO2 sensor heater (bank 2 sensor 2)
  4. A/F sensor (bank 2 sensor 1)
  5. EFI relay
  6. Gas leakage from exhaust system
 Comes on DTC stored
P0157 Oxygen Sensor Circuit Low Voltage (Bank 2 Sensor 2)
  1. Open in HO2 sensor (bank 2 sensor 2) circuit
  2. HO2 sensor (bank 2 sensor 2)
  3. HO2 sensor heater (bank 2 sensor 2)
  4. EFI relay
  5. Gas leakage from exhaust system
 Comes on DTC stored
P0158 Oxygen Sensor Circuit High Voltage (Bank 2 Sensor 2)
  1. Short in HO2 sensor (bank 2 sensor 2) circuit
  2. HO2 sensor (bank 2 sensor 2)
  3. ECM internal circuit malfunction
 Comes on DTC stored
P0161 Oxygen Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)
  1. Open or short in HO2 sensor heater circuit
  2. HO2 sensor heater (bank 2 sensor 2)
  3. EFI relay
  4. ECM
 Comes on DTC stored
P0171 System Too Lean (Bank 1)
  1. Air induction system
  2. Injector blockage
  3. Mass Air Flow (MAF) meter
  4. Engine Coolant Temperature (ECT) sensor
  5. Fuel pressure
  6. Gas leakage in exhaust system
  7. Open or short in HO2 sensor (bank 1 sensor 1) circuit
  8. HO2 sensor (bank 1 sensor 1)
  9. HO2 sensor heater (bank 1 sensor 1)
  10. EFI relay
  11. PCV piping
  12. ECM
 Comes on DTC stored
P0172 System Too Rich (Bank 1)
  1. Injector leakage or blockage
  2. MAF meter
  3. ECT sensor
  4. Ignition system
  5. Fuel pressure
  6. Gas leakage in exhaust system
  7. Open or short in HO2 sensor (bank 1 sensor 1) circuit
  8. HO2 sensor (bank 1 sensor 1)
  9. ECM
 Comes on DTC stored
P0174 System Too Lean (Bank 2)
  1. Air Induction system
  2. Injector blockage
  3. MAF meter
  4. ECT sensor
  5. Fuel pressure
  6. Gas leakage in exhaust system
  7. Open or short in HO2 sensor (bank 2 sensor 1) circuit
  8. HO2 sensor (bank 2 sensor 1)
  9. HO2 sensor heater (bank 2 sensor 1)
  10. EFI relay
  11. PCV piping
  12. ECM
 Comes on DTC stored
P0175 System Too Rich (Bank 2)
  1. Injector leakage or blockage
  2. MAF meter
  3. ECT sensor
  4. Ignition system
  5. Fuel pressure
  6. Gas leakage in exhaust system
  7. Open or short in exhaust system (bank 2 sensor 1) circuit
  8. HO2 sensor (bank 2 sensor 1)
  9. ECM
 Comes on DTC stored
P0220 Throttle / Pedal Position Sensor / Switch "B" Circuit
  1. Throttle Position (TP) sensor (built into throttle body)
  2. ECM
 Comes on DTC stored
P0222 Throttle / Pedal Position Sensor / Switch "B" Circuit Low Input
  1. Throttle Position (TP) sensor (built into throttle body)
  2. Short in VTA2 circuit
  3. Open in VC circuit
  4. ECM
 Comes on DTC stored
P0223 Throttle / Pedal Position Sensor / Switch "B" Circuit High Input
  1. Throttle Position (TP) sensor (built into throttle body)
  2. Open in VTA2 circuit
  3. Open in E2 circuit
  4. Short between VC and VTA2 circuits
  5. ECM
 Comes on DTC stored
P0230 Fuel Pump Primary Circuit
  1. Open or short in fuel pump relay circuit
  2. Fuel pump relay
  3. Circuit opening relay
  4. Fuel pump
  5. ECM
 - DTC stored
P0300 Random/Multiple Cylinder Misfire Detected
  1. Open or short in engine wire harness
  2. Connector connection
  3. Vacuum hose connection
  4. Ignition system
  5. Injector
  6. Fuel pressure
  7. Mass Air Flow (MAF) meter
  8. Engine Coolant Temperature (ECT) sensor
  9. Compression pressure
  10. Valve clearance
  11. Valve timing
  12. PCV hose connection
  13. PCV hose
  14. ECM
 Comes on or blinks DTC stored
P0301 Cylinder 1 Misfire Detected Same as P0300 Comes on or blinks DTC stored
P0302 Cylinder 2 Misfire Detected Same as P0300 Comes on or blinks DTC stored
P0303 Cylinder 3 Misfire Detected Same as P0300 Comes on or blinks DTC stored
P0304 Cylinder 4 Misfire Detected Same as P0300 Comes on or blinks DTC stored
P0305 Cylinder 5 Misfire Detected Same as P0300 Comes on or blinks DTC stored
P0306 Cylinder 6 Misfire Detected Same as P0300 Comes on or blinks DTC stored
P0307 Cylinder 7 Misfire Detected Same as P0300 Comes on or blinks DTC stored
P0308 Cylinder 8 Misfire Detected Same as P0300 Comes on or blinks DTC stored
P0327 Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor)
  1. Short in knock sensor 1 circuit
  2. Knock sensor 1
  3. ECM
 Comes on DTC stored
P0328 Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor)
  1. Open in knock sensor 1 circuit
  2. Knock sensor 1
  3. ECM
 Comes on DTC stored
P0332 Knock Sensor 2 Circuit Low Input (Bank 2)
  1. Short in knock sensor 2 circuit
  2. Knock sensor 2
  3. ECM
 Comes on DTC stored
P0333 Knock Sensor 2 Circuit High Input (Bank 2)
  1. Open in knock sensor 2 circuit
  2. Knock sensor 2
  3. ECM
 Comes on DTC stored
P0335 Crankshaft Position Sensor "A" Circuit
  1. Open or short in Crankshaft Position (CKP) sensor circuit
  2. Crankshaft Position (CKP) sensor
  3. Signal plate (crankshaft position sensor plate No. 1)
  4. ECM
 Comes on DTC stored
P0339 Crankshaft Position Sensor "A" Circuit Intermittent
  1. Open or short in Crankshaft Position (CKP) sensor circuit
  2. Crankshaft Position (CKP) sensor
  3. Signal plate (crankshaft position sensor plate No. 1)
  4. ECM
 - DTC stored
P0340 Camshaft Position Sensor Circuit Malfunction
  1. Open or short in camshaft position sensor circuit
  2. Camshaft position sensor
  3. Bank 1 camshaft timing pulley
  4. Timing belt has a jumped tooth
  5. ECM
 Comes on DTC stored
P0341 Camshaft Position Sensor "A" Circuit Range/Performance (Bank 1 or Single Sensor) Same as P0340 Comes on DTC stored
P0345 Camshaft Position Sensor "A" Circuit (Bank 2) Same as P0340 Comes on DTC stored
P0346 Camshaft Position Sensor "A" Circuit Range/Performance (Bank 2) Same as P0340. Comes on DTC stored
P0351 Ignition Coil "A" Primary / Secondary Circuit
  1. Open or short in IGF1 or IGT1 circuit between No. 1 ignition coil and ECM
  2. No. 1 ignition coil (primary ignition)
  3. Ignition system
  4. ECM
 Comes on DTC stored
P0352 Ignition Coil "B" Primary/Secondary Circuit
  1. Open or short in IGF2 or IGT2 circuit between No. 2 ignition coil and ECM
  2. No. 2 ignition coil (primary ignition)
  3. Ignition system
  4. ECM
 Comes on DTC stored
P0353 Ignition Coil "C" Primary/Secondary Circuit
  1. Open or short in IGF2 or IGT3 circuit between No. 3 ignition coil and ECM
  2. No. 3 ignition coil (primary ignition)
  3. Ignition system
  4. ECM
 Comes on DTC stored
P0354 Ignition Coil "D" Primary/Secondary Circuit
  1. Open or short in IGF1 or IGT4 circuit between No. 4 ignition coil and ECM
  2. No. 4 ignition coil (primary ignition)
  3. Ignition system
  4. ECM
 Comes on DTC stored
P0355 Ignition Coil "E" Primary/Secondary Circuit
  1. Open or short in IGF2 or IGT5 circuit between No. 5 ignition coil and ECM
  2. No. 5 ignition coil (primary ignition)
  3. Ignition system
  4. ECM
 Comes on DTC stored
P0356 Ignition Coil "F" Primary/Secondary Circuit
  1. Open or short in IGF1 or IGT6 circuit between No. 6 ignition coil and ECM
  2. No. 6 ignition coil (primary ignition)
  3. Ignition system
  4. ECM
 Comes on DTC stored
P0357 Ignition Coil "G" Primary/Secondary Circuit
  1. Open or short in IGF1 or IGT7 circuit between No. 7 ignition coil and ECM
  2. No. 7 ignition coil (primary ignition)
  3. Ignition system
  4. ECM
 Comes on DTC stored
P0358 Ignition Coil "H" Primary / Secondary Circuit
  1. Open or short in IGF2 or IGT8 circuit between No. 8 ignition coil and ECM
  2. No. 8 ignition coil (primary ignition)
  3. Ignition system
  4. ECM
 Comes on DTC stored
P0412 Secondary Air Injection System Switching Valve "A" Circuit
  1. Open in air switching valve drive circuit
  2. Short between air switching valve circuit and +B circuit
  3. Short between air switching valve circuit and body ground
  4. Air injection control driver
  5. Air switching valve
  6. ECM
 Comes on DTC stored
P0418 Secondary Air Injection System Control "A" Circuit
  1. Open in air pump drive circuit
  2. Short between air pump circuit and +B circuit
  3. Short between air pump circuit and body ground
  4. Air injection control driver
  5. ECM
 Comes on DTC stored
P0420 Catalyst System Efficiency Below Threshold (Bank 1)
  1. Gas leakage from exhaust system
  2. Air Fuel Ratio (A/F) sensor (bank 1 sensor 1)
  3. Heated Oxygen (HO2) sensor (bank 1 sensor 2)
  4. Three-way catalytic converter
 Comes on DTC stored
P0430 Catalyst System Efficiency Below Threshold (Bank 2)
  1. Gas leakage on exhaust system
  2. A/F sensor (bank 2 sensor 1)
  3. HO2 sensor (bank 2 sensor 2)
  4. Three-way catalytic converter
 Comes on DTC stored
P043E Evaporative Emission System Leak Detection Reference Orifice Low Flow
  1. Pump module
  2. Connector/Wire harness (Pump module - ECM)
  3. ECM
  4. Leakage from EVAP system
 Comes 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
 Comes on DTC stored
P0441 Evaporative Emission Control System Incorrect Purge Flow
  1. Purge VSV
  2. Connector/Wire harness (Purge VSV - ECM)
  3. ECM
  4. Pump module
  5. Leakage from EVAP system
 Comes on DTC stored
P0450 Evaporative Emission Control System Pressure Sensor Malfunction
  1. Canister pump module
  2. Connector/Wire harness (Pump module - ECM)
  3. ECM
 Comes on DTC stored
P0451 Evaporative Emission Control System Pressure Sensor Range/Performance
  1. Pump module
  2. Connector/Wire harness (Pump module - ECM)
  3. ECM
 Comes on DTC stored
P0452 Evaporative Emission Control System Pressure Sensor/Switch Low Input
  1. Pump module
  2. Connector/Wire harness (Pump module - ECM)
  3. ECM
 Comes on DTC stored
P0453 Evaporative Emission Control System Pressure Sensor/Switch High Input
  1. Pump module
  2. Connector/Wire harness (Pump module - ECM)
  3. ECM
 Comes on DTC stored
P0455 Evaporative Emission Control System Leak Detected (Gross Leak)
  1. Fuel cap (loose)
  2. Leakage from EVAP line (Canister-Fuel tank)
  3. Leakage from EVAP line (Purge VSV - canister)
  4. Pump module
  5. Leakage from fuel tank
  6. Leakage from canister
 Comes on DTC stored
P0456 Evaporative Emission Control System Leak Detected (Very Small Leak) Same as P0445 Comes on DTC stored
P0500 Vehicle Speed Sensor "A"
  1. Combination meter
  2. Open or short in vehicle speed sensor circuit
  3. Vehicle speed sensor
  4. Skid control ECU
  5. ECM
 Comes on DTC stored
P0503 Vehicle Speed Sensor "A" Intermittent/Erratic/High
  1. Combination meter
  2. Open or short in vehicle speed sensor circuit
  3. Vehicle speed sensor
  4. Skid control ECU
  5. ECM
 - DTC stored
P0504 Brake Switch "A"/"B" Correlation
  1. Short in stop light switch signal circuit
  2. Stop light fuse
  3. Stop light switch assembly
  4. ECM
 - DTC stored
P0505 Idle Control System Malfunction
  1. ETCS
  2. Air induction system
  3. PCV hose connection
  4. ECM
 Comes on DTC stored
P050A Cold Start Idle Air Control System Performance
  1. Throttle body
  2. Mass airflow meter
  3. PCV hose
  4. Air cleaner filter
  5. Air induction system
  6. VVT system
  7. ECM
 Comes on DTC stored
P0560 System Voltage
  1. Open in back-up power source circuit
  2. EFI fuse
  3. ECM
 Comes on DTC stored
P0604 Random Access Memory (RAM) ECM Comes on DTC stored
P0606 ECM/PCM Processor
  1. Exhaust gas leak
  2. Heated oxygen sensor
  3. ECM
 Comes on/- DTC stored
P0607 Control Module Performance ECM Comes on DTC stored
P0617 Starter Relay Circuit High
  1. Short in Park/Neutral position switch circuit
  2. Park/Neutral position switch
  3. Ignition switch
  4. ECM
 Comes on DTC stored
P0657 Actuator Supply Voltage Circuit/Open ECM Comes on DTC stored
P0630 VIN not Programmed or Mismatch - ECM / PCM ECM Comes on DTC stored
P1340 Camshaft Position Sensor "A" (Bank 1 Sensor 2)
  1. Open or short in camshaft position sensor circuit
  2. Camshaft position sensor
  3. Camshaft timing pulley LH
  4. ECM
 Comes on DTC stored
P1341 Camshaft Position Sensor "A" (Bank 1 Sensor 2 )
  1. Open or short in camshaft position sensor circuit
  2. Camshaft position sensor
  3. Camshaft timing pulley LH
  4. ECM
 Comes on DTC stored
P1440 Secondary Air Injection Vacuum Switching Valve Circuit Malfunction Bank 1
  1. Open or short in VSV for air injection control circuit (bank 1)
  2. VSV power source
  3. VSV for air injection (bank 1)
  4. ECM
 Comes on DTC stored
P1441 Stuck Open in Secondary Air Injection vacuum Switching Valve Bank 1
  1. VSV for air injection system (bank1)
  2. No. 2 air switching valve (bank 1)
  3. VSV for air injection system (bank1)
  4. ECM
 Comes on DTC stored
P1442 Stuck Close in Secondary Air Injection Vacuum Switching Valve Bank 1
  1. VSV for air injection system circuit (bank 1)
  2. Vacuum hose (VSV for air injection system - No. 2 air switching valve)
  3. Air injector pipe (No. 2 air switching valve - exhaust manifold)
  4. No. 2 air switching valve (bank 1)
  5. VSV for air injection system (bank 1)
  6. ECM
 Comes on DTC stored
P1443 Secondary Air Injection Vacuum Switching Valve Circuit Malfunction Bank 2
  1. Open or short in VSV for air injection system circuit (bank 2)
  2. VSV power source
  3. VSV for air injection system (bank 2)
  4. ECM
 Comes on DTC stored
P1444 Stuck Open in Secondary Air Injection Vacuum Switching Valve Bank 2
  1. VSV for air injection system circuit (bank 2)
  2. No. 2 air switching valve (bank 2)
  3. VSV for air injection system (bank 2)
  4. ECM
 Comes on DTC stored
P1445 Stuck Close in Secondary Air Injection Vacuum Switching Valve Bank 2
  1. VSV for air injection system circuit (bank 2)
  2. Vacuum hose (VSV for air injection system - No. 2 air switching valve)
  3. Air injection pipe (No. 2 air switching valve - exhaust manifold)
  4. No. 2 air switching valve (bank 2)
  5. VSV for air injection system (bank 2)
  6. ECM
 Comes on DTC stored
P1613 Secondary Air Injection Driver Malfunction
  1. Air injection control driver (AID)
  2. Open in air injection control driver ground circuit
  3. Short in diagnostic information signal circuit (AID - ECM)
  4. Open or short in air pump and air switching valve command signal circuit (AID - ECM)
  5. Open or short in AID power source circuit
  6. ECM
 Comes on DTC stored
P2102 Throttle Actuator Control Motor Circuit Low
  1. Open in throttle actuator circuit
  2. Throttle actuator
  3. ECM
 Comes 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
 Comes on DTC stored
P2111 Throttle Actuator Control System-Stuck Open
  1. Throttle actuator
  2. Throttle valve
  3. Throttle body
  4. Throttle control motor circuit
 Comes on DTC stored
P2112 Throttle Actuator Control System-Stuck Closed Same as P2111 Comes on DTC stored
P2118 Throttle Actuator Control Motor Current Range / Performance
  1. Open in ETCS power source circuit
  2. ETCS fuse
  3. ECM
 Comes on DTC stored
P2119 Throttle Actuator Control Throttle Body Range / Performance
  1. ETCS
  2. ECM
 Comes on DTC stored
P2120 Throttle/Pedal Position Sensor/Switch "D" Circuit
  1. Accelerator pedal position (APP) sensor
  2. ECM
 Comes on DTC stored
P2121 Throttle/Pedal Position Sensor/Switch "D" Circuit Range/Performance
  1. APP sensor
  2. APP sensor circuit
  3. ECM
 Comes on DTC stored
P2122 Throttle/Pedal Position Sensor/Switch "D" Circuit Low Input
  1. APP sensor
  2. Open in VCP1 circuit
  3. Open or ground short VPA circuit
  4. ECM
 Comes on DTC stored
P2123 Throttle/Pedal Position Sensor/Switch "D" Circuit High Input
  1. APP sensor
  2. Open in EPA circuit
  3. ECM
 Comes on DTC stored
P2125 Throttle/Pedal Position Sensor/Switch "E" Circuit
  1. APP sensor
  2. ECM
 Comes on DTC stored
P2127 Throttle/Pedal Position Sensor/Switch "E" Circuit Low Input
  1. APP sensor
  2. Open in VCP2 circuit
  3. Open or ground short VPA2 circuit
  4. ECM
 Comes on DTC stored
P2128 Throttle / Pedal Position Sensor / Switch "E" Circuit High Input
  1. APP sensor
  2. Open in EPA2 circuit
  3. ECM
 Comes on DTC stored
P2135 Throttle / Pedal Position Sensor / Switch "A" / "B" Voltage Correlation
  1. Short between VTA1 and VTA2 circuit
  2. Throttle Position (TP) sensor (built into throttle body)
  3. ECM
 Comes on DTC stored
P2138 Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation
  1. Short between VPA and VPA2 circuit
  2. APP sensor
  3. ECM
 Comes on DTC stored
P2195 Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1)
  1. Open or short in Air Fuel Ratio (A/F) sensor (bank 1 sensor 1) circuit
  2. Air Fuel Ratio (A/F) sensor (bank 1 sensor 1)
  3. Air Fuel Ratio (A/F) sensor heater (bank 1 sensor 1)
  4. A/F heater relay
  5. A/F sensor heater and relay circuits
  6. Air induction system
  7. Fuel pressure
  8. Fuel injector
  9. ECM
 Comes on DTC stored
P2196 Oxygen (A/F) Sensor Signal Stuck Rich (Bank 1 Sensor 1) Same as P2195 Comes on DTC stored
P2197 Oxygen (A/F) Sensor Signal Stuck Lean (Bank 2 Sensor 1)
  1. Open or short in A/F sensor (bank 2 sensor 1) circuit
  2. A/F sensor (bank 2 sensor 1)
  3. A/F sensor heater (bank 2 sensor 1)
  4. A/F relay
  5. A/F sensor heater and relay circuits
  6. Air induction system
  7. Fuel pressure
  8. Fuel injector
  9. ECM
 Comes on DTC stored
P2198 Oxygen (A/F) Sensor Signal Stuck Rich (Bank 2 Sensor 1) Same as P2197 Comes on DTC stored
P2237 Oxygen (A/F) Sensor Pumping Current Circuit/Open (Bank 1 Sensor 1)
  1. Open or short in A/F sensor (bank 1 sensor 1) circuit
  2. A/F sensor (bank 1 sensor 1)
  3. ECM
 Comes on DTC stored
P2238 Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1)
  1. Open or short in Air Fuel Ratio (A/F) sensor (bank 1 sensor 1) circuit
  2. Air Fuel Ratio (A/F) sensor (bank 1 sensor 1)
  3. Air Fuel Ratio (A/F) sensor heater (bank 1 sensor 1)
  4. A/F heater relay
  5. A/F sensor heater and relay circuits
  6. ECM
 Comes on DTC stored
P2239 Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1) Same as P2238 Comes on DTC stored
P2240 Oxygen (A/F) Sensor Pumping Current Circuit/Open (Bank 2 Sensor 1)
  1. Open or short in A/F sensor (bank 2 sensor 1) circuit
  2. A/F sensor (bank 2 sensor 1)
  3. ECM
 Comes on DTC stored
P2241 Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 2 Sensor 1)
  1. Open or short in A/F sensor (bank 2 sensor 1) circuit
  2. A/F sensor (bank 2 sensor 1)
  3. A/F sensor heater (bank 2 sensor 1)
  4. A/F relay
  5. A/F sensor heater and relay circuit
  6. ECM
 Comes on DTC stored
P2242 Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 2 Sensor 1) Same as P2241 Comes on DTC stored
P2252 Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 1 Sensor 1) Same as P2238 Comes on DTC stored
P2253 Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 1 Sensor 1) Same as P2238 Comes on DTC stored
P2255 Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 2 Sensor 1) Same as P2241 Comes on DTC stored
P2256 Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 2 Sensor 1) Same as P2241 Comes on DTC stored
P2401 Evaporative Emission Leak Detection Pump Stuck OFF
  1. Canister pump module
  2. Connector/Wire harness (Canister pump module - ECM)
  3. ECM
 Comes on DTC stored
P2402 Evaporative Emission Leak Detection Pump Stuck ON
  1. Canister pump module
  2. Connector/Wire harness (Canister pump module - ECM)
  3. ECM
 Comes on DTC stored
P2419 Evaporative Emission Pressure Switching Valve Stuck ON
  1. Canister pump module
  2. Connector/Wire harness (Canister pump module - ECM)
  3. ECM
 Comes on DTC stored
P2420 Evaporative Emission Pressure Switching Valve Stuck OFF
  1. Canister pump module
  2. Connector/Wire harness (Canister pump module - ECM)
  3. ECM
 Comes on DTC stored
P2430 Secondary Air Injection System Air Flow/Pressure Sensor Circuit Bank 1
  1. Pressure sensor
  2. Open or short in pressure sensor circuit
  3. ECM
 Comes on DTC stored
P2431 Secondary Air Injection System Air Flow/Pressure Sensor Circuit Range/Performance Bank 1
  1. Pressure sensor
  2. Open or short in pressure sensor circuit
  3. ECM
 Comes on DTC stored
P2432 Secondary Air Injection System Air Flow/Pressure Sensor Circuit Low Bank 1
  1. Pressure sensor
  2. Open or short in pressure sensor circuit
  3. ECM
 Comes on DTC stored
P2433 Secondary Air Injection System Air Flow / Pressure Sensor Circuit High Bank 1
  1. Pressure sensor
  2. Open or short in pressure sensor circuit
  3. ECM
 Comes on DTC stored
P2440 Secondary Air Injection System Switching Valve Stuck Open Bank 1
  1. Air switching valve
  2. No. 2 air switching valve (bank 1 and/or 2)
  3. VSV for air injection system (bank 1 and/or 2)
  4. Air injection control driver
  5. Air injection control driver circuit
  6. ECM
 Comes on DTC stored
P2441 Secondary Air Injection System Switching Valve Stuck Close Bank 1
  1. Vacuum hoses (Throttle body-VSVs for air injection system)
  2. Air switching valve
  3. Air injection pipe (No. 2 air switching valve - exhaust manifold)
  4. Air injection hose
  5. No. 2 air switching valve (bank 1 and/or 2)
  6. VSV for air injection system (bank 1 and/or 2)
  7. Air injection control driver
  8. Air injection control driver circuit
  9. ECM
 Comes on DTC stored
P2444 Secondary Air Injection System Pump Stuck On Bank 1
  1. Short in air pump circuit
  2. Pressure sensor
  3. Air injection control driver
  4. Open or short in pressure sensor circuit
  5. ECM
 Comes on DTC stored
P2445 Secondary Air Injection System Pump Stuck Off Bank 1
  1. Air pump fuse
  2. Vacuum hose
  3. Air pump assembly
  4. Air injection control driver
  5. Open in air pump circuit
  6. Air injection system piping
  7. Pressure sensor
  8. Open or short in pressure sensor circuit
  9. 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)
  1. Open or short in Air Fuel Ratio (A/F) sensor (bank 1 sensor 1) circuit
  2. Air Fuel Ratio (A/F) sensor (bank 1 sensor 1)
  3. ECM
 Comes on DTC stored
P2A03 A/F Sensor Circuit Slow Response (Bank 2 Sensor 1)
  1. Open or short in A/ F sensor (bank 2 sensor 1) circuit
  2. A/F sensor (bank 2 sensor 1)
  3. ECM
 Comes on DTC stored

HINT:

*: MIL flashes when a catalyst damaged misfire is detected.

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