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Diagnostic Trouble Code Chart

HINT:

Parameters listed in the chart may not be exactly the same as your readings due to the type of instrument or other factors. If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the links below.

SFI System 

DIAGNOSTIC TROUBLE CODE CHART

DTC Code Detection Item Trouble Area MIL Memory DTC for Mexico Models
P0010  Camshaft Position "A" Actuator Circuit (Bank 1)
  1. Open or short in camshaft timing oil control valve assembly (for intake camshaft) circuit
  2. Camshaft timing oil control valve assembly (for intake camshaft)
  3. ECM
 Comes on DTC stored Applies
P0011  Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1)
  1. Valve timing
  2. Camshaft timing oil control valve assembly (for intake camshaft)
  3. Oil control valve filter
  4. Camshaft timing gear assembly (for intake camshaft)
  5. ECM
 Comes on DTC stored Applies
P0012  Camshaft Position "A" - Timing Over-Retarded (Bank 1)
  1. Valve timing
  2. Camshaft timing oil control valve assembly (for intake camshaft)
  3. Oil control valve filter
  4. Camshaft timing gear assembly (for intake camshaft)
  5. ECM
 Comes on DTC stored Applies
P0013  Camshaft Position "B" Actuator Circuit/ Open (Bank 1)
  1. Open or short in camshaft timing oil control valve assembly (for exhaust camshaft) circuit
  2. Camshaft timing oil control valve assembly (for exhaust camshaft)
  3. ECM
 Comes on DTC stored Applies
P0014  Camshaft Position "B" - Timing Over-Advanced or System Performance (Bank 1)
  1. Valve timing
  2. Camshaft timing oil control valve assembly (for exhaust camshaft)
  3. Oil control valve filter
  4. Camshaft timing gear assembly (for exhaust camshaft)
  5. ECM
 Comes on DTC stored Applies
P0015  Camshaft Position "B" - Timing Over-Retarded (Bank 1)
  1. Valve timing
  2. Camshaft timing oil control valve assembly (for exhaust camshaft)
  3. Oil control valve filter
  4. Camshaft timing gear assembly (for exhaust camshaft)
  5. ECM
 Comes on DTC stored Applies
P0016  Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A)
  1. Mechanical system (Timing chain has jumped tooth or chain stretched)
  2. Camshaft timing oil control valve assembly (for intake camshaft)
  3. Camshaft timing gear assembly (for intake camshaft)
  4. ECM
 Comes on DTC stored Applies
P0017  Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor B)
  1. Mechanical system (Timing chain has jumped tooth or chain stretched)
  2. Camshaft timing oil control valve assembly (for exhaust camshaft)
  3. Camshaft timing gear assembly (for exhaust camshaft)
  4. ECM
 Comes on DTC stored Applies
P0031  Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1)
  1. Open in air fuel ratio sensor heater circuit
  2. Air fuel ratio sensor heater (sensor 1)
  3. ECM power source circuit
  4. ECM
 Comes on DTC stored Applies
P0032  Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1)
  1. Short in air fuel ratio sensor heater circuit
  2. Air fuel ratio sensor heater (sensor 1)
  3. ECM power source circuit
  4. ECM
 Comes on DTC stored Applies
P0037  Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2)
  1. Open in heated oxygen sensor (sensor 2) heater circuit
  2. Heated oxygen sensor (sensor 2) heater
  3. ECM power source circuit
  4. ECM
 Comes on DTC stored Applies
P0038  Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2)
  1. Short in heated oxygen sensor (sensor 2) heater circuit
  2. Heated oxygen sensor (sensor 2) heater
  3. ECM power source circuit
  4. ECM
 Comes on DTC stored Applies
P0101  Mass Air Flow Circuit Range / Performance Problem
  1. Mass air flow meter
  2. Intake system
  3. PCV hose connections
 Comes 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
 Comes on DTC stored Applies
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
 Comes on DTC stored Applies
P0110  Intake Air Temperature Circuit Malfunction
  1. Open or short in intake air temperature sensor circuit
  2. Intake air temperature sensor (built into mass air flow meter)
  3. ECM
 Comes on DTC stored Applies
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 intake air temperature sensor circuit
  2. Intake air temperature sensor (built into mass air flow meter)
  3. ECM
 Comes on DTC stored Applies
P0113  Intake Air Temperature Circuit High Input
  1. Open in intake air temperature sensor circuit
  2. Intake air temperature sensor (built into mass air flow meter)
  3. ECM
 Comes on DTC stored Applies
P0115  Engine Coolant Temperature Circuit Malfunction
  1. Open or short in engine coolant temperature sensor circuit
  2. Engine coolant temperature sensor
  3. ECM
 Comes on DTC stored Applies
P0116  Engine Coolant Temperature Circuit Range / Performance Problem
  1. Thermostat
  2. Engine coolant temperature sensor
 Comes on DTC stored -
P0117  Engine Coolant Temperature Circuit Low Input
  1. Short in engine coolant temperature sensor circuit
  2. Engine coolant temperature sensor
  3. ECM
 Comes on DTC stored Applies
P0118  Engine Coolant Temperature Circuit High Input
  1. Open in engine coolant temperature sensor circuit
  2. Engine coolant temperature sensor
  3. ECM
 Comes on DTC stored Applies
P011B  Engine Coolant Temperature / Intake Air Temperature Correlation
  1. Intake air temperature sensor
  2. Engine coolant temperature sensor
  3. ECM
 Comes on DTC stored -
P0120  Throttle / Pedal Position Sensor / Switch "A" Circuit Malfunction
  1. Throttle position sensor (built into throttle body)
  2. ECM
 Comes on DTC stored Applies
P0121  Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem Throttle position sensor (built into throttle body) Comes on DTC stored Applies
P0122  Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input
  1. Throttle position sensor (built into throttle body)
  2. Short in VTA1 circuit
  3. Open in VC circuit
  4. ECM
 Comes on DTC stored Applies
P0123  Throttle / Pedal Position Sensor / Switch "A" Circuit High Input
  1. Throttle position 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 Applies
P0125  Insufficient Coolant Temperature for Closed Loop Fuel Control
  1. Cooling system
  2. Engine coolant temperature sensor
  3. Thermostat
 Comes on DTC stored -
P0128  Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
  1. Thermostat
  2. Cooling system
  3. Engine coolant temperature sensor
  4. ECM
 Comes on DTC stored Applies
P0136  Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)
  1. Heated oxygen sensor (sensor 2)
  2. Air fuel ratio sensor (sensor 1)
  3. Gas leaks from exhaust system
  4. Fuel pressure
  5. Fuel injector
  6. PCV valve and hose
  7. Intake system
 Comes on DTC stored -
P0137  Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2)
  1. Open or short in heated oxygen sensor (sensor 2) circuit
  2. Heated oxygen sensor (sensor 2)
  3. Heated oxygen sensor heater (sensor 2)
  4. Air fuel ratio sensor (sensor 1)
  5. Gas leaks from exhaust system
 Comes on DTC stored Applies
P0138  Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2)
  1. Short in heated oxygen sensor (sensor 2) circuit
  2. Heated oxygen sensor (sensor 2)
  3. ECM internal circuit malfunction
  4. Air fuel ratio sensor (sensor 1)
 Comes on DTC stored -
P0139  Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 2)
  1. Short in heated oxygen sensor (sensor 2) circuit
  2. Heated oxygen sensor (sensor 2)
  3. ECM internal circuit malfunction
  4. Air fuel ratio sensor (sensor 1)
 Comes on DTC stored -
P0141  Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
  1. Open or short in heated oxygen sensor (sensor 2) heater circuit
  2. Heated oxygen sensor (sensor 2) heater
  3. ECM power source circuit
  4. ECM
 Comes on DTC stored -
P0171  System Too Lean (Bank 1)
  1. Intake system
  2. Injector blockage
  3. Mass air flow meter
  4. Engine coolant temperature sensor
  5. Fuel pressure
  6. Gas leaks from exhaust system
  7. Open or short in air fuel ratio sensor (sensor 1) circuit
  8. Air fuel ratio sensor (sensor 1)
  9. PCV valve and hose
  10. PCV hose connections
  11. ECM
 Comes on DTC stored Applies
P0172  System Too Rich (Bank 1)
  1. Injector leak or blockage
  2. Mass air flow meter
  3. Engine coolant temperature sensor
  4. Ignition system
  5. Fuel pressure
  6. Gas leaks from exhaust system
  7. Open or short in air fuel ratio sensor (sensor 1) circuit
  8. Air fuel ratio sensor (sensor 1)
  9. ECM
 Comes on DTC stored Applies
P0220  Throttle / Pedal Position Sensor / Switch "B" Circuit
  1. Throttle position sensor (built into throttle body)
  2. ECM
 Comes on DTC stored Applies
P0222  Throttle / Pedal Position Sensor / Switch "B" Circuit Low Input
  1. Throttle position sensor (built into throttle body)
  2. Short in VTA2 circuit
  3. Open in VC circuit
  4. ECM
 Comes on DTC stored Applies
P0223  Throttle / Pedal Position Sensor / Switch "B" Circuit High Input
  1. Throttle position 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 Applies
P0300  Random / Multiple Cylinder Misfire Detected
  1. Open or short in engine wire harness
  2. Connector connection
  3. Vacuum hose connections
  4. Ignition system
  5. Fuel injector
  6. Fuel pressure
  7. Mass air flow meter
  8. Engine Coolant Temperature sensor
  9. Compression pressure
  10. Valve timing
  11. PCV valve and hose
  12. PCV hose connections
  13. Intake system
  14. ECM
 Comes on / Blinks(1) DTC stored Applies
P0301  Cylinder 1 Misfire Detected Same as DTC P0300 Comes on / Blinks(1) DTC stored Applies
P0302  Cylinder 2 Misfire Detected Same as DTC P0300 Comes on / Blinks(1) DTC stored Applies
P0303  Cylinder 3 Misfire Detected Same as DTC P0300 Comes on / Blinks(1) DTC stored Applies
P0304  Cylinder 4 Misfire Detected Same as DTC P0300 Comes on / Blinks(1) DTC stored Applies
P0325  Knock Sensor 1 Circuit
  1. Open or short in knock sensor circuit
  2. Knock sensor
  3. ECM
 Comes on DTC stored Applies
P0327  Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor)
  1. Short in knock sensor circuit
  2. Knock sensor
  3. ECM
 Comes on DTC stored Applies
P0328  Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor)
  1. Open in knock sensor circuit
  2. Knock sensor
  3. ECM
 Comes on DTC stored Applies
P0335  Crankshaft Position Sensor "A" Circuit
  1. Open or short in crankshaft position sensor circuit
  2. Crankshaft position sensor
  3. Crankshaft position sensor plate
  4. ECM
 Comes on DTC stored Applies
P0339  Crankshaft Position Sensor "A" Circuit Intermittent
  1. Open or short in crankshaft position sensor circuit
  2. Crankshaft position sensor
  3. Crankshaft position sensor plate
  4. ECM
 Does not come on DTC stored Applies
P0340  Camshaft Position Sensor Circuit Malfunction
  1. Open or short in camshaft position sensor circuit for intake camshaft
  2. Camshaft position sensor for intake camshaft
  3. Camshaft timing gear for intake camshaft
  4. Jumped tooth of timing chain for intake camshaft
  5. ECM
 Comes on DTC stored Applies
P0342  Camshaft Position Sensor "A" Circuit Low Input (Bank 1 or Single Sensor)
  1. Open or short in camshaft position sensor circuit for intake camshaft
  2. Camshaft position sensor for intake camshaft
  3. Camshaft timing gear for intake camshaft
  4. Jumped tooth of timing chain for intake camshaft
  5. ECM
 Comes on DTC stored Applies
P0343  Camshaft Position Sensor "A" Circuit High Input (Bank 1 or Single Sensor)
  1. Open or short in camshaft position sensor circuit for intake camshaft
  2. Camshaft position sensor for intake camshaft
  3. Camshaft timing gear for intake camshaft
  4. Jumped tooth of timing chain for intake camshaft
  5. ECM
 Comes on DTC stored Applies
P0351  Ignition Coil "A" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IGF1 or IGT1 circuit between ignition coil and ECM
  3. No. 1 ignition coil
  4. ECM
 Comes on DTC stored Applies
P0352  Ignition Coil "B" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IGF1 or IGT2 circuit between ignition coil and ECM
  3. No. 2 ignition coil
  4. ECM
 Comes on DTC stored Applies
P0353  Ignition Coil "C" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IGF1 or IGT3 circuit between ignition coil and ECM
  3. No. 3 ignition coil
  4. ECM
 Comes on DTC stored Applies
P0354  Ignition Coil "D" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IGF1 or IGT4 circuit between ignition coil and ECM
  3. No. 4 ignition coil
  4. ECM
 Comes on DTC stored Applies
P0365  Camshaft Position Sensor "B" Circuit (Bank 1)
  1. Open or short in exhaust camshaft position sensor circuit
  2. Exhaust camshaft position sensor
  3. Camshaft timing gear for exhaust camshaft
  4. Jumped tooth of timing chain for exhaust camshaft
  5. ECM
 Comes on DTC stored Applies
P0367  Camshaft Position Sensor "B" Circuit Low Input (Bank 1)
  1. Open or short in exhaust camshaft position sensor circuit
  2. Exhaust camshaft position sensor
  3. Camshaft timing gear for exhaust camshaft
  4. Jumped tooth of timing chain for exhaust camshaft
  5. ECM
 Comes on DTC stored Applies
P0368  Camshaft Position Sensor "B" Circuit High Input (Bank 1)
  1. Open or short in exhaust camshaft position sensor circuit
  2. Exhaust camshaft position sensor
  3. Camshaft timing gear for exhaust camshaft
  4. Jumped tooth of timing chain for exhaust camshaft
  5. ECM
 Comes on DTC stored Applies
P0420  Catalyst System Efficiency Below Threshold (Bank 1)
  1. Gas leaks from exhaust system
  2. Air fuel ratio sensor (sensor 1)
  3. Heated oxygen sensor (sensor 2)
  4. Front exhaust pipe assembly (three-way catalytic converter)
 Comes on DTC stored Applies
P043E  Evaporative Emission System Reference Orifice Clog Up
  1. Canister pump module (Reference orifice, leak detection pump, vent valve)
  2. Connector/wire harness (Canister pump module ECM)
  3. EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  4. ECM
 Comes on DTC stored -
P043F  Evaporative Emission System Reference Orifice High Flow
  1. Canister pump module (Reference orifice, leak detection pump, vent valve)
  2. Connector/wire harness (Canister pump module ECM)
  3. EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  4. ECM
 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. Canister pump module
  5. Leaks from EVAP system
  6. Leaks from EVAP line (Purge VSV - Intake manifold)
 Comes on DTC stored -
P0451  Evaporative Emission Control System Pressure Sensor Range / Performance
  1. Canister pump module
  2. Connector/wire harness (Canister pump module ECM)
  3. EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  4. ECM
 Comes on DTC stored -
P0452  Evaporative Emission Control System Pressure Sensor / Switch Low Input
  1. Canister pump module
  2. Connector/wire harness (Canister pump module ECM)
  3. EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  4. ECM
 Comes on DTC stored -
P0453  Evaporative Emission Control System Pressure Sensor / Switch High Input
  1. Canister pump module
  2. Connector/wire harness (Canister pump module ECM)
  3. EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  4. ECM
 Comes on DTC stored -
P0455  Evaporative Emission Control System Leak Detected (Gross Leak)
  1. Fuel tank cap (loose)
  2. Leaks from EVAP line (Canister - Fuel tank)
  3. Leaks from EVAP line (Purge VSV - Canister)
  4. Canister pump module
  5. Leaks from fuel tank
  6. Leaks from canister
 Comes on DTC stored -
P0456  Evaporative Emission Control System Leak Detected (Very Small Leak)
  1. Fuel tank cap (loose)
  2. Leaks from EVAP line (Canister - Fuel tank)
  3. Leaks from EVAP line (Purge VSV - Canister)
  4. Canister pump module
  5. Leaks from fuel tank
  6. Leaks from canister
 Comes on DTC stored -
P0500  Vehicle Speed Sensor "A"
  1. Open or short in speed signal circuit
  2. Speed meter circuit (wheel speed sensor, skid control ECU)
  3. Combination meter
  4. ECM
 Comes on DTC stored -
P0504  Brake Switch "A" / "B" Correlation
  1. Short in stop light switch signal circuit
  2. STOP fuse
  3. IGN fuse
  4. Stop light switch
  5. ECM
 Does not come on DTC stored Applies
P0505  Idle Control System Malfunction
  1. Electronic throttle control system
  2. Intake system
  3. PCV hose connections
  4. ECM
 Comes on DTC stored Applies
P050A  Cold Start Idle Air Control System Performance
  1. Throttle body
  2. Mass air flow meter
  3. PCV system
  4. Air cleaner filter element
  5. Intake system
  6. VVT system
  7. ECM
 Comes on DTC stored -
P0560  System Voltage
  1. Open in back up power source circuit
  2. Battery
  3. Battery terminals
  4. EFI MAIN fuse
  5. ECM
 Comes on DTC stored Applies
P0601  Internal Control Module Memory Check Sum Error ECM Comes on DTC stored Applies
P0604  Random Access Memory (RAM) ECM Comes on DTC stored Applies
P0606  ECM / PCM Processor ECM Comes on DTC stored Applies
P0607  Control Module Performance
  1. Exhaust gas leaks
  2. Heated oxygen sensor
  3. ECM
 Comes on DTC stored Applies
P060A  Internal Control Module Monitoring Processor Performance ECM Comes on DTC stored Applies
P060D  Internal Control Module Accelerator Pedal Position Performance ECM Comes on DTC stored Applies
P060E  Internal Control Module Throttle Position Performance ECM Comes on DTC stored Applies
P0617  Starter Relay Circuit High
  1. Cranking holding function circuit
  2. Park/neutral position switch(2)
  3. Ignition switch(3)
  4. ECM
 Comes on DTC stored Applies
P0630  VIN not Programmed or Mismatch - ECM / PCM ECM Comes on DTC stored -
P0657  Actuator Supply Voltage Circuit / Open ECM Comes on DTC stored Applies
P0724  Brake Switch "B" Circuit High
  1. Short in stop light switch signal circuit
  2. Stop light switch
  3. ECM
 Comes on DTC stored Applies
P1607  Cruise Control Input Processor ECM Comes on DTC stored Applies
P2102  Throttle Actuator Control Motor Circuit Low
  1. Open in throttle actuator circuit
  2. Throttle actuator
  3. ECM
 Comes on DTC stored Applies
P2103  Throttle Actuator Control Motor Circuit High
  1. Short in throttle actuator circuit
  2. Throttle actuator
  3. Throttle valve
  4. Throttle body
  5. ECM
 Comes on DTC stored Applies
P2111  Throttle Actuator Control System - Stuck Open
  1. Throttle actuator
  2. Throttle body
  3. Throttle valve
  4. ECM
 Comes on DTC stored Applies
P2112  Throttle Actuator Control System - Stuck Closed
  1. Throttle actuator
  2. Throttle body
  3. Throttle valve
  4. ECM
 Comes on DTC stored Applies
P2118  Throttle Actuator Control Motor Current Range / Performance
  1. Open in ETCS power source circuit
  2. Battery
  3. Battery terminals
  4. ETCS fuse
  5. ECM
 Comes on DTC stored Applies
P2119  Throttle Actuator Control Throttle Body Range / Performance
  1. Electronic throttle control system
  2. ECM
 Comes on DTC stored Applies
P2120  Throttle / Pedal Position Sensor / Switch "D" Circuit
  1. Accelerator pedal position sensor
  2. ECM
 Comes on DTC stored Applies
P2121  Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance
  1. Accelerator pedal position sensor
  2. ECM
 Comes on DTC stored Applies
P2122  Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input
  1. Accelerator pedal position sensor
  2. Open in VCP1 circuit
  3. Open or ground short in VPA circuit
  4. ECM
 Comes on DTC stored Applies
P2123  Throttle / Pedal Position Sensor / Switch "D" Circuit High Input
  1. Accelerator pedal position sensor
  2. Open in EPA circuit
  3. ECM
 Comes on DTC stored Applies
P2125  Throttle / Pedal Position Sensor / Switch "E" Circuit
  1. Accelerator pedal position sensor
  2. ECM
 Comes on DTC stored Applies
P2127  Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input
  1. Accelerator pedal position sensor
  2. Open in VCP2 circuit
  3. Open or ground short in VPA2 circuit
  4. ECM
 Comes on DTC stored Applies
P2128  Throttle / Pedal Position Sensor / Switch "E" Circuit High Input
  1. Accelerator pedal position sensor
  2. Open in EPA2 circuit
  3. ECM
 Comes on DTC stored Applies
P2135  Throttle / Pedal Position Sensor / Switch "A" / "B" Voltage Correlation
  1. Short between VTA1 and VTA2 circuits
  2. Throttle position sensor (built into throttle body)
  3. ECM
 Comes on DTC stored Applies
P2138  Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation
  1. Short between VPA and VPA2 circuits
  2. Accelerator pedal position sensor
  3. ECM
 Comes on DTC stored Applies
P2195  Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1)
  1. Open or short in air fuel ratio sensor (sensor 1) circuit
  2. Air fuel ratio sensor (sensor 1)
  3. Air fuel ratio sensor (sensor 1) heater
  4. Air fuel ratio sensor heater circuit
  5. Intake system
  6. Fuel pressure
  7. Fuel injector
  8. ECM
 Comes on DTC stored -
P2196  Oxygen (A/F) Sensor Signal Stuck Rich (Bank 1 Sensor 1)
  1. Open or short in air fuel ratio sensor (sensor 1) circuit
  2. Air fuel ratio sensor (sensor 1)
  3. Air fuel ratio sensor (sensor 1) heater
  4. Air fuel ratio sensor heater circuit
  5. Intake system
  6. Fuel pressure
  7. Fuel injector
  8. ECM
 Comes on DTC stored -
P2237  Oxygen (A/F) Sensor Pumping Current Circuit / Open (Bank 1 Sensor 1)
  1. Open in air fuel ratio sensor (sensor 1) circuit
  2. Air fuel ratio sensor (sensor 1)
  3. ECM
 Comes on DTC stored Applies
P2238  Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1)
  1. Open or short in air fuel ratio sensor (sensor 1) circuit
  2. Air fuel ratio sensor (sensor 1)
  3. ECM
 Comes on DTC stored Applies
P2239  Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1)
  1. Open or short in air fuel ratio sensor (sensor 1) circuit
  2. Air fuel ratio sensor (sensor 1)
  3. ECM
 Comes on DTC stored Applies
P2252  Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 1 Sensor 1)
  1. Open or short in air fuel ratio sensor (sensor 1) circuit
  2. Air fuel ratio sensor (sensor 1)
  3. ECM
 Comes on DTC stored Applies
P2253  Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 1 Sensor 1)
  1. Open or short in air fuel ratio sensor (sensor 1) circuit
  2. Air fuel ratio sensor (sensor 1)
  3. ECM
 Comes on DTC stored Applies
P2401  Evaporative Emission Leak Detection Pump Stuck OFF
  1. Canister pump module (Reference orifice, leak detection pump, vent valve)
  2. Connector/wire harness (Canister pump module - ECM)
  3. EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  4. ECM
 Comes on DTC stored -
P2402  Evaporative Emission Leak Detection Pump Stuck ON
  1. Canister pump module (Reference orifice, leak detection pump, vent valve)
  2. Connector/wire harness (Canister pump module - ECM)
  3. EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  4. ECM
 Comes on DTC stored -
P2419  Evaporative Emission System Switching Valve Control Circuit Low
  1. Canister pump module (Reference orifice, leak detection pump, vent valve)
  2. Connector/wire harness (Canister pump module - ECM)
  3. EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  4. ECM
 Comes on DTC stored -
P2420  Evaporative Emission System Switching Valve Control Circuit High
  1. Canister pump module (Reference orifice, leak detection pump, vent valve)
  2. Connector/wire harness (Canister pump module - ECM)
  3. 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 sensor (sensor 1) circuit
  2. Air fuel ratio sensor
  3. Air fuel ratio sensor heater
  4. ECM
 Comes on DTC stored -
(1) MIL flashes when a catalyst damaging misfire is detected.

(2) Automatic transaxle models

(3) Manual transaxle models
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