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Diagnostic Trouble Code Chart

HINT:

The parameters listed in the chart 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 appropriate link indicated.

2UZ-FE SFI SYSTEM 

DIAGNOSTIC TROUBLE CODE CHART

DTC Code Detection Item Trouble Area MIL Memory
P0010  Camshaft Position "A" Actuator Circuit (Bank 1)
  • Open or short in Oil Control Valve (OCV) (bank 1) circuit
  • Oil Control Valve (OCV) (bank 1)
  • ECM
 Comes on DTC stored
P0011  Camshaft Position "A" - Timing Over- Advanced or System Performance (Bank 1)
  • Oil Control Valve (OCV)
  • Valve timing
  • VVT controller assembly
  • 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)
  • Mechanical system (Timing belt has jumped tooth or belt stretched)
  • Oil control valve (OCV)
  • Camshaft timing tube assembly
  • 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)
  • 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) 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)
  • Open in Air Fuel Ratio (A/F) sensor (bank 1 sensor 1) heater circuit
  • Air Fuel Ratio (A/F) sensor heater (bank 1 sensor 1)
  • A/F relay
  • ECM
 Comes on DTC stored
P0032  Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1)
  • Short in A/F sensor (bank 1 sensor 1) heater circuit
  • A/F sensor heater (bank 1 sensor 1)
  • A/F 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
  • Heated Oxygen (HO2) sensor heater (bank 1 sensor 2)
  • 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 (bank 1 sensor 2)
  • EFI relay
  • ECM
 Comes on DTC stored
P0051  Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 2 Sensor D
  • Open in A/F sensor (bank 2 sensor 1) heater circuit
  • A/F sensor heater (bank 2 sensor 1)
  • A/F relay
  • ECM
 Comes on DTC stored
P0052  Oxygen (A/F) Sensor Heater Control Circuit High (Bank 2 Sensor 1)
  • Short in A/F sensor (bank 2 sensor 1) heater circuit
  • A/F sensor heater (bank 2 sensor 1)
  • A/F relay
  • ECM
 Comes on DTC stored
P0057  Oxygen Sensor Heater Control Circuit Low (Bank 2 Sensor 2)
  • Open in HO2 sensor heater circuit
  • HO2 sensor heater (bank 2 sensor 2)
  • EFI relay
  • ECM
 Comes on DTC stored
P0058  Oxygen Sensor Heater Control Circuit High (Bank 2 Sensor 2)
  • Short in HO2 sensor heater circuit
  • HO2 sensor heater (bank 2 sensor 2)
  • EFI relay
  • ECM
 Comes on DTC stored
P0100  Mass Air Flow Circuit Malfunction
  • Open or short in Mass Air Flow (MAF) meter circuit
  • Mass Air Flow (MAF) meter
  • 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
  • Open or short in Mass Air Flow (MAF) meter circuit
  • Mass Air Flow (MAF) meter
  • ECM
 Comes on DTC stored
P0103  Mass Air Flow Circuit High
  • Open or short in Intake Air Temperature (IAT) sensor circuit
  • Intake Air Temperature (IAT) sensor (built into MAF meter)
  • ECM
 Comes on DTC stored
P0110  Intake Air Temperature Circuit
  • Open or short in Intake Air Temperature (IAT) sensor circuit
  • Intake Air Temperature (IAT) sensor (built into MAF meter)
  • 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
  • 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
  • Engine Coolant Temperature (ECT) sensor
  • 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
  • Short in ECT 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
P011B  Engine Coolant Temperature/Intake Air Temperature Correlation
  • 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 Throttle Position (TP) sensor (built into throttle body) Comes on DTC stored
P0122  Throttle/Pedal Position Sensor/Switch "A" Circuit Low Input
  • Throttle Position (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
  • Throttle Position (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
  • Engine Coolant Temperature (ECT) sensor
  • Thermostat
 Comes on DTC stored
P0128  Thermostat Malfunction
  • Thermostat
  • Cooling system
  • Engine Coolant Temperature (ECT) sensor
  • ECM
 Comes on DTC stored
P0136  Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)
  • Open or short in Heated Oxygen (HO2) sensor circuit
  • Heated Oxygen (HO2) sensor (bank 1 sensor 2)
  • Heated Oxygen (HO2) sensor heater (bank 1 sensor 2)
  • Air Fuel Ratio (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 (bank 1 sensor 2)
  • 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)
  • Open or short in HO2 sensor heater circuit
  • HO2 sensor heater (bank 2 sensor 2)
  • EFI relay
  • ECM
 Comes on DTC stored
P0171  System Too Lean (Bank 1)
  • Air induction system
  • Injector blockage
  • Mass Air Flow (MAF) meter
  • Engine Coolant Temperature (ECT) sensor
  • Fuel pressure
  • Gas leakage in exhaust system
  • Open or short in HO2 sensor (bank 1 sensor 1) circuit
  • HO2 sensor (bank 1 sensor 1)
  • HO2 sensor heater (bank 1 sensor 1)
  • EFI relay
  • PCV piping
  • 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 in exhaust system
  • Open or short in HO2 sensor (bank 1 sensor 1) circuit
  • HO2 sensor (bank 1 sensor 1)
  • ECM
 Comes on DTC stored
P0174  System Too Lean (Bank 2)
  • Air Induction system
  • Injector blockage
  • MAF meter
  • ECT sensor
  • Fuel pressure
  • Gas leakage in exhaust system
  • Open or short in HO2 sensor (bank 2 sensor 1) circuit
  • HO2 sensor (bank 2 sensor 1)
  • HO2 sensor heater (bank 2 sensor 1)
  • EFI relay
  • PCV piping
  • 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 in exhaust system
  • Open or short in exhaust system (bank 2 sensor 1) circuit
  • HO2 sensor (bank 2 sensor 1)
  • ECM
 Comes on DTC stored
P0220  Throttle/Pedal Position Sensor/Switch "B" Circuit
  • Throttle Position (TP) sensor (built into throttle body)
  • ECM
 Comes on DTC stored
P0222  Throttle/Pedal Position Sensor/Switch "B" Circuit Low Input
  • Throttle Position (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
  • Throttle Position (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
  • Circuit opening relay
  • Fuel pump
  • 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
  • Mass Air Flow (MAF) meter
  • Engine Coolant Temperature (ECT) sensor
  • Compression pressure
  • Valve clearance
  • Valve timing
  • PCV hose connection
  • PCV hose
  • 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)
  • 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
  • Crankshaft Position (CKP) sensor
  • Signal plate (crankshaft position sensor plate No 1)
  • ECM
 Comes on DTC stored
P0339  Crankshaft Position Sensor "A" Circuit Intermittent
  • Open or short in Crankshaft Position (CKP) sensor circuit
  • Crankshaft Position (CKP) sensor
  • Signal plate (crankshaft position sensor plate No 1)
  • ECM
 - DTC stored
P0340  Camshaft Position Sensor Circuit Malfunction
  • Open or short in camshaft position sensor circuit
  • Camshaft position sensor
  • Bank 1 camshaft timing pulley
  • Timing belt has a jumped tooth
  • ECM
 Comes on DTC stored
P0345  Camshaft Position Sensor "A" Circuit (Bank 2) Same as P0340 Comes on DTC stored
P0351  Ignition Coil "A" Primary/Secondary Circuit
  • Open or short in IGF1 or IGT1 circuit between No 1 ignition coil and ECM
  • No 1 ignition coil (primary ignition)
  • Ignition system
  • ECM
 Comes on DTC stored
P0352  Ignition Coil "B" Primary/Secondary Circuit
  • Open or short in IGF2 or IGT2 circuit between No 2 ignition coil and ECM
  • No 2 ignition coil (primary ignition)
  • Ignition system
  • ECM
 Comes on DTC stored
P0353  Ignition Coil "C" Primary/Secondary Circuit
  • Open or short in IGF2 or IGT3 circuit between No 3 ignition coil and ECM
  • No. 3 ignition coil (primary ignition)
  • Ignition system
  • ECM
 Comes on DTC stored
P0354  Ignition Coil "D" Primary/Secondary Circuit
  • Open or short in IGF1 or IGT4 circuit between No 4 ignition coil and ECM
  • No 4 ignition coil (primary ignition)
  • Ignition system
  • ECM
 Comes on DTC stored
P0355  Ignition Coil "E" Primary/Secondary Circuit
  • Open or short in IGF2 or IGT5 circuit between No 5 ignition coil and ECM
  • No 5 ignition coil (primary ignition)
  • Ignition system
  • ECM
 Comes on DTC stored
P0356  Ignition Coil "F" Pnmary/Secondary Circuit
  • Open or short in IGF1 or IGT6 circuit between No 6 ignition coil and ECM
  • No 6 ignition coil (primary ignition)
  • Ignition system
  • ECM
 Comes on DTC stored
P0357  Ignition Coil "G" Primary/Secondary Circuit
  • Open or short in IGF1 or IGT7 circuit between No 7 ignition coil and ECM
  • No 7 ignition coil (primary ignition)
  • Ignition system
  • ECM
 Comes on DTC stored
P0358  Ignition Coil "H" Primary/Secondary Circuit
  • Open or short in IGF2 or IGT8 circuit between No 8 ignition coil and ECM
  • No 8 ignition coil (primary ignition)
  • Ignition system
  • ECM
 Comes on DTC stored
P0412  Secondary Air Injection System Switching Valve "A" Circuit
  • Open in air switching valve drive circuit
  • Short between air switching valve circuit and +B circuit
  • Short between air switching valve circuit and body ground
  • Air injection control driver
  • Air switching valve
  • ECM
 Comes on DTC stored
P0418  Secondary Air Injection System Control "A" Circuit
  • Open in air pump drive circuit
  • Short between air pump circuit and +B circuit
  • Short between air pump circuit and body ground
  • Air injection control driver
  • ECM
 Comes on DTC stored
P0420  Catalyst System Efficiency Below Threshold (Bank 1)
  • Gas leakage from exhaust system
  • Air Fuel Ratio (A/F) sensor(bank 1 sensor 1)
  • Heated Oxygen (HO2) sensor (bank 1 sensor 2)
  • Three-way catalytic converter
 Comes on DTC stored
P0430  Catalyst System Efficiency Below Threshold (Bank 2)
  • Gas leakage on exhaust system
  • A/F sensor (bank 2 sensor 1)
  • HO2 sensor (bank 2 sensor 2)
  • Three-way catalytic converter
 Comes on DTC stored
P043E  Evaporative Emission System Leak Detection Reference Orifice Low Flow
  • Canister pump module
  • Connector/Wire harness (Canister pump module - ECM)
  • ECM
  • Leakage from EVAP system
 Comes on DTC stored
P043F  Evaporative Emission System Reference Orifice High Flow
  • Canister pump module
  • Connector/Wire harness (Canister pump module - ECM)
  • ECM
  • Leakage from EVAP system
 Comes on DTC stored
P0441  Evaporative Emission Control System Incorrect Purge Flow
  • Purge VSV
  • Connector/Wire harness (Purge VSV - ECM)
  • ECM
  • Pump module
  • Leakage from EVAP system
 Comes on DTC stored
P0450  Evaporative Emission Control System Pressure Sensor Malfunction
  • Canister pump module
  • Connector/Wire harness (Canister pump module - ECM)
  • ECM
 Comes on DTC stored
P0451  Evaporative Emission Control System Pressure Sensor Range/Performance
  • Canister pump module
  • Connector/Wire harness (Canister pump module - ECM)
  • ECM
 Comes on DTC stored
P0452  Evaporative Emission Control System Pressure Sensor/Switch Low Input
  • Canister pump module
  • Connector/Wire harness (Canister pump module - ECM)
  • ECM
 Comes on DTC stored
P0453  Evaporative Emission Control System Pressure Sensor/Switch High Input
  • Canister pump module
  • Connector/Wire harness (Canister pump module - ECM)
  • ECM
 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 P0445 Comes on DTC stored
P0500  Vehicle Speed Sensor "A"
  • Combination meter
  • Open or short in vehicle speed sensor circuit
  • Vehicle speed sensor
  • Skid control ECU
  • ECM
 Comes on DTC stored
P0503  Vehicle Speed Sensor "A" Intermittent/Erratic/High
  • Combination meter
  • Open or short in vehicle speed sensor circuit
  • Vehicle speed sensor
  • Skid control ECU
  • ECM
 - DTC stored
P0504  Brake Switch "A"/"B" Correlation
  • Short in stop light switch signal circuit
  • Stop light fuse
  • Stop light switch assembly
  • ECM
 - DTC stored
P0505  Idle Control System Malfunction
  • ETCS
  • Air induction system
  • PCV hose connection
  • ECM
 Comes on DTC stored
P050A  Cold Start Idle Air Control System Performance
  • Throttle body
  • Mass airflow meter
  • PCV hose
  • Air cleaner filter
  • Air induction system
  • VVT system
  • ECM
 Comes on DTC stored
P050B  Cold Start Ignition Timing Performance
  • Throttle body assembly
  • Mass air flow meter
  • PCV system
  • Air cleaner filter element
  • Air induction system
  • VVT system
  • ECM
 Comes on DTC stored
P0560  System Voltage
  • Open in back-up power source circuit
  • EFI fuse
  • ECM
 Comes on DTC stored
P0604  Random Access Memory (RAM) ECM Comes on DTC stored
P0606  ECM/PCM Processor
  • Exhaust gas leak
  • Heated oxygen sensor
  • ECM
 Comes on/- DTC stored
P0607  Control Module Performance ECM Comes on DTC stored
P0617  Starter Relay Circuit High
  • Short in Park/Neutral position switch circuit
  • Park/Neutral position switch
  • Ignition switch
  • 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)
  • Open or short in camshaft position sensor circuit
  • Camshaft position sensor
  • Camshaft timing pulley LH
  • ECM
 Comes on DTC stored
P1440  Secondary Air Injection Vacuum Switching Valve Circuit Malfunction Bank 1
  • Open or short in VSV for air injection control circuit (bank 1)
  • VSV power source
  • VSV for air injection (bank 1)
  • ECM
 Comes on DTC stored
P1441  Stuck Open in Secondary Air Injection Vacuum Switching Valve Bank 1
  • VSV for air injection system (bank 1)
  • No 2 air switching valve (bank 1)
  • VSV for air injection system (bank 1)
  • ECM
 Comes on DTC stored
P1442  Stuck Close in Secondary Air Injection Vacuum Switching Valve Bank 1
  • VSV for air injection system circuit (bank 1)
  • Vacuum hose (VSV for air injection system
  • No 2 air switching valve)
  • Air injector pipe (No 2 air switching valve-exhaust manifold)
  • No 2 air switching valve (bank 1)
  • VSV for air injection system (bank 1)
  • ECM
 Comes on DTC stored
P1443  Secondary Air Injection Vacuum Switching Valve Circuit Malfunction Bank 2
  • Open or short in VSV for air injection system circuit (bank 2)
  • VSV power source
  • VSV for air injection system (bank 2)
  • ECM
 Comes on DTC stored
P1444  Stuck Open in Secondary Air Injection Vacuum Switching Valve Bank 2
  • VSV for air injection system circuit (bank 2)
  • No 2 air switching valve (bank 2)
  • VSV for air injection system (bank 2)
  • ECM
 Comes on DTC stored
P1445  Stuck Close in Secondary Air Injection Vacuum Switching Valve Bank 2
  • VSV for air injection system circuit (bank 2)
  • Vacuum hose (VSV for air injection system
  • No 2 air switching valve)
  • Air injection pipe (No 2 air switching valve - exhaust manifold)
  • No 2 air switching valve (bank 2)
  • VSV for air injection system (bank 2)
  • ECM
 Comes on DTC stored
P1613  Secondary Air Injection Driver Malfunction
  • Air injection control driver (AID)
  • Open in air injection control driver ground circuit
  • Short in diagnostic information signal circuit (AID - ECM)
  • Open or short in air pump and air switching valve command signal circuit (AID - ECM)
  • Open or short in AID power source circuit
  • 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 valve
  • Throttle body
  • 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
  • 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
  • APP sensor circuit
  • 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 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 VCP2 circuit
  • Open or ground short 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 circuit
  • Throttle Position (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 circuit
  • APP sensor
  • ECM
 Comes on DTC stored
P2195  Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1)
  • Open or short in Air Fuel Ratio (A/F) sensor(bank 1 sensor 1) circuit
  • Air Fuel Ratio (A/F) sensor(bank 1 sensor 1)
  • Air Fuel Ratio (A/F) sensor heater (bank 1 sensor 1)
  • A/F heater relay
  • A/F sensor heater and relay circuits
  • Air induction system
  • Fuel pressure
  • Fuel injector
  • 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)
  • 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 relay
  • A/F sensor heater and relay circuits
  • Air induction system
  • Fuel pressure
  • Fuel injector
  • 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)
  • Open or short in A/F sensor(bank 1 sensor 1) circuit
  • A/F sensor (bank 1 sensor 1)
  • ECM
 Comes on DTC stored
P2238  Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1)
  • Open or short in Air Fuel Ratio (A/F) sensor(bank 1 sensor 1) circuit
  • Air Fuel Ratio (A/F) sensor(bank 1 sensor 1)
  • 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)
  • Open or short in A/F sensor(bank 2 sensor 1) circuit
  • A/F sensor (bank 2 sensor 1)
  • ECM
 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)
  • 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
  • Canister pump module
  • Connector/Wire harness (Canister pump module - ECM)
  • ECM
  • Leakage from EVAP system
 Comes on DTC stored
P2402  Evaporative Emission Leak Detection Pump Stuck ON
  • Canister pump module
  • Connector/Wire harness (Canister pump module - ECM)
  • ECM
  • Leakage from EVAP system
 Comes on DTC stored
P2419  Evaporative Emission System Switching Valve Control Circuit Low
  • Canister pump module
  • Connector/Wire harness (Canister pump module - ECM)
  • ECM
  • Leakage from EVAP system
 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
P2430  Secondary Air Injection System Air Flow/Pressure Sensor Circuit Bank 1
  • Pressure sensor
  • Open or short in pressure sensor circuit
  • ECM
 Comes on DTC stored
P2431  Secondary Air Injection System Air Flow/Pressure Sensor Circuit Range/Performance Bank 1
  • Pressure sensor
  • Open or short in pressure sensor circuit
  • ECM
 Comes on DTC stored
P2432  Secondary Air Injection System Air Flow/Pressure Sensor Circuit Low Bank 1
  • Pressure sensor
  • Open or short in pressure sensor circuit
  • ECM
 Comes on DTC stored
P2433  Secondary Air Injection System Air Flow/Pressure Sensor Circuit High Bank 1
  • Pressure sensor
  • Open or short in pressure sensor circuit
  • ECM
 Comes on DTC stored
P2440  Secondary Air Injection System Switching Valve Stuck Open Bank 1
  • Air switching valve
  • No. 2 air switching valve (bank 1 and/or 2)
  • VSV for air injection system (bank 1 and/or 2)
  • Air injection control driver
  • Air injection control driver circuit
  • ECM
 Comes on DTC stored
P2441  Secondary Air Injection System Switching Valve Stuck Close Bank 1
  • Vacuum hoses (Throttle body-VSVs for air injection system)
  • Air switching valve
  • Air injection pipe (No 2 air switching valve - exhaust manifold)
  • Air injection hose
  • No. 2 air switching valve (bank 1 and/or 2)
  • VSV for air injection system (bank 1 and/or 2)
  • Air injection control driver
  • Air injection control driver circuit
  • ECM
 Comes on DTC stored
P2444  Secondary Air Injection System Pump Stuck On Bank 1
  • Short in air pump circuit
  • Pressure sensor
  • Air injection control driver
  • Open or short in pressure sensor circuit
  • ECM
 Comes on DTC stored
P2445  Secondary Air Injection System Pump Stuck Off Bank 1
  • Air pump fuse
  • Vacuum hose
  • Air pump assembly
  • Air injection control driver
  • Open in air pump circuit
  • Air injection system piping
  • Pressure sensor
  • Open or short in pressure sensor circuit
  • 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 Air Fuel Ratio (A/F) sensor(bank 1 sensor 1) circuit
  • Air Fuel Ratio (A/F) sensor(bank 1 sensor 1)
  • 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 (bank 2 sensor 1)
  • ECM
 Comes on DTC stored

HINT:

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

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