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Diagnostic Trouble Code Chart

HINT:

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

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 link.

HINT:

SFI SYSTEM 

DTC CODE CHART

DTC Code Detection Item Trouble Area MIL Memory DTC Mexico Models
P0010  Camshaft Position "A" Actuator Circuit (Bank 1)
  • Open or short in camshaft timing oil control valve assembly circuit
  • Camshaft timing oil control valve assembly
  • ECM
 Comes on DTC stored Applies
P0011  Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1)
  • Valve timing
  • Camshaft timing oil control valve assembly
  • Oil control valve filter
  • Camshaft timing gear assembly
  • ECM
 Comes on DTC stored Applies
P0012  Camshaft Position "A" - Timing Over-Retarded (Bank 1)
  • Valve timing
  • Camshaft timing oil control valve assembly
  • Oil control valve filter
  • Camshaft timing gear assembly
  • ECM
 Comes on DTC stored Applies
P0016  Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A)
  • Mechanical system (Timing chain has jumped tooth or chain stretched)
  • Camshaft timing oil control valve assembly
  • Camshaft timing gear assembly
  • ECM
 Comes on DTC stored Applies
P0031  Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1)
  • Open in air fuel ratio sensor heater circuit
  • Air fuel ratio sensor heater sensor 1)
  • ECM power source circuit
  • ECM
 Comes on DTC stored Applies
P0032  Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1)
  • Short in air fuel ratio sensor heater circuit
  • Air fuel ratio sensor heater sensor 1)
  • ECM power source circuit
  • ECM
 Comes on DTC stored Applies
P0037  Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2)
  • Open in heated oxygen sensor (sensor 2) heater circuit
  • Heated oxygen sensor (sensor 2) heater
  • ECM power source circuit
  • ECM
 Comes on DTC stored Applies
P0038  Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2)
  • Short in heated oxygen sensor (sensor 2) heater circuit
  • Heated oxygen sensor (sensor 2) heater
  • ECM power source circuit
  • ECM
 Comes on DTC stored Applies
P0101  Mass Air Flow Circuit Range / Performance Problem
  • Mass air flow meter
  • Intake system
  • PCV hose connections
 Comes on DTC stored -
P0102  Mass or Volume Air Flow Circuit Low Input
  • Open or short in mass air flow meter circuit
  • Mass air flow meter
  • ECM
 Comes on DTC stored Applies
P0103  Mass or Volume Air Flow Circuit High Input
  • Open or short in mass air flow meter circuit
  • Mass air flow meter
  • 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
  • Short in intake air temperature sensor circuit
  • Intake air temperature sensor (built into mass air flow meter)
  • ECM
 Comes on DTC stored Applies
P0113  Intake Air Temperature Circuit High Input
  • Open in intake air temperature sensor circuit
  • Intake air temperature sensor (built into mass air flow meter)
  • ECM
 Comes on DTC stored Applies
P0115  Engine Coolant Temperature Circuit Malfunction
  • Open or short in engine coolant temperature sensor circuit
  • Engine coolant temperature sensor
  • ECM
 Comes on DTC stored Applies
P0116  Engine Coolant Temperature Circuit Range / Performance Problem
  • Thermostat
  • Engine coolant temperature sensor
 Comes on DTC stored Applies
P0117  Engine Coolant Temperature Circuit Low Input
  • Short in engine coolant temperature sensor circuit
  • Engine coolant temperature sensor
  • ECM
 Comes on DTC stored Applies
P0118  Engine Coolant Temperature Circuit High Input
  • Open in engine coolant temperature sensor circuit
  • Engine coolant temperature sensor
  • ECM
 Comes on DTC stored Applies
P011B  Engine Coolant Temperature / Intake Air Temperature Correlation
  • Intake air temperature sensor (built into mass air flow meter)
  • Engine coolant temperature sensor
  • ECM
 Comes on DTC stored -
P0120  Throttle / Pedal Position Sensor / Switch "A" Circuit Malfunction
  • Throttle position sensor (built into throttle body)
  • ECM
 Comes on DTC stored Applied
P0121  Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem
  • Throttle position sensor (built into throttle body)
 Comes on DTC stored Applied
P0122  Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input
  • Throttle position sensor (built into throttle body)
  • Short in VTA1 circuit
  • Open in VC circuit
  • ECM
 Comes on DTC stored Applied
P0123  Throttle / Pedal Position Sensor / Switch "A" Circuit High Input
  • Throttle position sensor (built into throttle body)
  • Open in VTA1 circuit
  • Open in E2 circuit
  • Short between VC and VTA1 circuits
  • ECM
 Comes on DTC stored Applied
P0125  Insufficient Coolant Temperature for Closed Loop Fuel Control
  • Cooling system
  • Engine coolant temperature sensor
  • Thermostat
 Comes on DTC stored Applied
P0128  Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
  • Thermostat
  • Cooling system
  • Engine coolant temperature sensor
  • ECM
 Comes on DTC stored Applied
P0136  Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)
  • Heated oxygen sensor (sensor 2)
  • Air fuel ratio sensor (sensor 1)
  • Gas leak from exhaust system
  • Fuel pressure
  • Fuel injector
  • PCV valve and hose
  • Intake system
 Comes on DTC stored -
P0137  Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2)
  • Open or short in heated oxygen sensor (sensor 2) circuit
  • Heated oxygen sensor (sensor 2)
  • Heated oxygen sensor heater (sensor 2)
  • Air fuel ratio sensor (sensor 1)
  • Gas leak from exhaust system
 Comes on DTC stored Applies
P0138  Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2)
  • Short in heated oxygen sensor (sensor 2) circuit
  • Heated oxygen sensor (sensor 2)
  • ECM internal circuit malfunction
  • Air fuel ratio sensor (sensor 1)
 Comes on DTC stored -
P0139  Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 2)
  • Short in heated oxygen sensor (sensor 2) circuit
  • Heated oxygen sensor (sensor 2)
  • ECM internal circuit malfunction
  • Air fuel ratio sensor (sensor 1)
 Comes on DTC stored -
P0141  Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
  • Open or short in heated oxygen sensor (sensor 2) heater circuit
  • Heated oxygen sensor (sensor 2) heater
  • ECM power source circuit
  • ECM
 Comes on DTC stored Applies
P0171  System Too Lean (Bank 1)
  • Intake system
  • Injector blockage
  • Mass air flow meter
  • Engine coolant temperature sensor
  • Fuel pressure
  • Gas leak from exhaust system
  • Open or short in air fuel ratio sensor (sensor 1) circuit
  • Air fuel ratio sensor (sensor 1)
  • EFI No. 2 fuse
  • PCV valve and hose
  • PCV hose connections
  • ECM
 Comes on DTC stored Applies
P0172  System Too Rich (Bank 1)
  • Injector leak or blockage
  • Mass air flow meter
  • Engine coolant temperature sensor
  • Ignition system
  • Fuel pressure
  • Gas leak from exhaust system
  • Open or short in air fuel ratio sensor (sensor 1) circuit
  • Air fuel ratio sensor (sensor 1)
  • EFI No. 2 fuse
  • ECM
 Comes on DTC stored Applies
P0220  Throttle / Pedal Position Sensor / Switch "B" Circuit
  • Throttle position sensor (built into throttle body)
  • ECM
 Comes on DTC stored Applies
P0222  Throttle / Pedal Position Sensor / Switch "B" Circuit Low Input
  • Throttle position sensor (built into throttle body)
  • Short in VTA2 circuit
  • Open in VC circuit
  • ECM
 Comes on DTC stored Applies
P0223  Throttle / Pedal Position Sensor / Switch "B" Circuit High Input
  • Throttle position sensor (built into throttle body)
  • Open in VTA2 circuit
  • Open in E2 circuit
  • Short between VC and VTA2 circuits
  • ECM
 Comes on DTC stored Applies
P0300  Random / Multiple Cylinder Misfire Detected
  • Open or short in engine wire harness
  • Connector connection
  • Vacuum hose connections
  • Ignition system
  • Fuel injector
  • Fuel pressure
  • Mass air flow meter
  • Engine coolant temperature sensor
  • Compression pressure
  • Valve clearance
  • Valve timing
  • PCV valve and hose
  • PCV hose connections
  • Intake system
  • 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
P0327  Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor)
  • Short in knock sensor circuit
  • Knock sensor
  • ECM
 Comes on DTC stored Applies
P0328  Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor)
  • Open in knock sensor circuit
  • Knock sensor
  • ECM
 Comes on DTC stored Applies
P0335  Crankshaft Position Sensor "A" Circuit
  • Open or short in crankshaft position sensor circuit
  • Crankshaft position sensor
  • Crankshaft position sensor plate
  • ECM
 Comes on DTC stored Applies
P0339  Crankshaft Position Sensor "A" Circuit Intermittent
  • Open or short in crankshaft position sensor circuit
  • Crankshaft position sensor
  • Crankshaft position sensor plate
  • ECM
 - DTC stored Applies
P0340  Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor)
  • Open or short in camshaft position sensor circuit
  • Camshaft position sensor
  • Camshaft
  • Timing chain jumped a tooth
  • ECM
 Comes on DTC stored Applies
P0351  Ignition Coil "A" Primary / Secondary Circuit
  • Ignition system
  • Open or short in IGF1 or IGT1 circuit between ignition coil and ECM
  • No. 1 ignition coil
  • ECM
 Comes on DTC stored Applies
P0352  Ignition Coil "B" Primary / Secondary Circuit
  • Ignition system
  • Open or short in IGF1 or IGT2 circuit between ignition coil and ECM
  • No. 2 ignition coil
  • ECM
 Comes on DTC stored Applies
P0353  Ignition Coil "C" Primary / Secondary Circuit
  • Ignition system
  • Open or short in IGF1 or IGT3 circuit between ignition coil and ECM
  • No. 3 ignition coil
  • ECM
 Comes on DTC stored Applies
P0354  Ignition Coil "D" Primary / Secondary Circuit
  • Ignition system
  • Open or short in IGF1 or IGT4 circuit between ignition coil and ECM
  • No. 4 ignition coil
  • ECM
 Comes on DTC stored Applies
P0420  Catalyst System Efficiency Below Threshold (Bank 1)
  • Gas leak from exhaust system
  • Air fuel ratio sensor (sensor 1)
  • Heated oxygen sensor (sensor 2)
  • Exhaust manifold (three-way catalytic converter)
  • Center exhaust pipe assembly (three-way catalytic converter)
 Comes on DTC stored Applies
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
  • 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 -
P0441  Evaporative Emission Control System Incorrect Purge Flow
  • Purge VSV
  • Connector/wire harness (Purge VSV-ECM)
  • ECM
  • Canister pump module
  • Leak from EVAP system
  • Leak from EVAP line (Purge VSV
  • Intake manifold)
 Comes on DTC stored -
P0443  Evaporative Emission Control System Purge Control Valve Circuit
  • Open or short in purge VSV circuit
  • Purge VSV
  • ECM
 Comes on DTC stored Applies*2
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
  • 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 -
P0453  Evaporative Emission Control System Pressure Sensor / Switch High Input
  • 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 -
P0455  Evaporative Emission Control System Leak Detected (Gross Leak)
  • Fuel tank cap (loose)
  • Leak from EVAP line (Canister - Fuel tank)
  • Leak from EVAP line (Purge VSV - Canister)
  • Canister pump module
  • Leak from fuel tank
  • Leak from canister
 Comes on DTC stored -
P0456  Evaporative Emission Control System Leak Detected (Very Small Leak)
  • Fuel tank cap (loose)
  • Leak from EVAP line (Canister - Fuel tank)
  • Leak from EVAP line (Purge VSV - Canister)
  • Canister pump module
  • Leak from fuel tank
  • Leak from canister
 Comes on DTC stored -
P0500  Vehicle Speed Sensor "A"
  • Open or short in speed signal circuit
  • Speed meter circuit (wheel speed sensor, skid control ECU)
  • Combination meter
  • ECM
 Comes on DTC stored Applies
P0504  Brake Switch "A" / "B" Correlation
  • Short in stop light switch signal circuit
  • STOP fuse
  • IGN fuse
  • Stop light switch
  • ECM
 - DTC stored Applies
P0505  Idle Control System Malfunction
  • Electronic throttle control system
  • Intake system
  • PCV hose connections
  • ECM
 Comes on DTC stored Applies
P050A  Cold Start Idle Air Control System Performance
  • Throttle body
  • Mass air flow meter
  • PCV system
  • Air cleaner filter element
  • Intake system
  • VVT system
  • ECM
 Comes on DTC stored -
P0560  System Voltage
  • Open in back up power source circuit
  • Battery
  • Battery terminals
  • EFI MAIN fuse
  • 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
  • Exhaust gas leak
  • Heated oxygen sensor
  • ECM
 Comes on DTC stored -
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
  • Park/neutral Position switch or clutch pedal switch
  • ST relay circuit
  • Ignition switch
  • 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
  • Short in stop light switch signal circuit
  • Stop light switch
  • ECM
 Comes on DTC stored Applies
P1607  Cruise Control Input Processor
  • ECM
 Comes on DTC stored Applies
P2102  Throttle Actuator Control Motor Circuit Low
  • Open in throttle actuator circuit
  • Throttle actuator
  • ECM
 Comes on DTC stored Applies
P2103  Throttle Actuator Control Motor Circuit High
  • Short in throttle actuator circuit
  • Throttle actuator
  • Throttle valve
  • Throttle body
  • ECM
 Comes on DTC stored Applies
P2111  Throttle Actuator Control System - Stuck Open
  • Throttle actuator
  • Throttle body
  • Throttle valve
  • ECM
 Comes on DTC stored Applies
P2112  Throttle Actuator Control System - Stuck Closed
  • Throttle actuator
  • Throttle body
  • Throttle valve
  • ECM
 Comes on DTC stored Applies
P2118  Throttle Actuator Control Motor Current Range / Performance
  • Open in electronic throttle control system power source circuit
  • Battery
  • Battery terminals
  • ETCS fuse
  • ECM
 Comes on DTC stored Applies
P2119  Throttle Actuator Control Throttle Body Range / Performance
  • Electronic throttle control system
  • ECM
 Comes on DTC stored Applies
P2120  Throttle / Pedal Position Sensor / Switch "D" Circuit
  • Accelerator pedal position sensor
  • ECM
 Comes on DTC stored Applies
P2121  Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance
  • Accelerator pedal position sensor
  • ECM
 Comes on DTC stored Applies
P2122  Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input
  • Accelerator pedal position sensor
  • Open in VCP1 circuit
  • Open or ground short in VPA circuit
  • ECM
 Comes on DTC stored Applies
P2123  Throttle / Pedal Position Sensor / Switch "D" Circuit High Input
  • Accelerator pedal position sensor
  • Open in EPA circuit
  • ECM
 Comes on DTC stored Applies
P2125  Throttle / Pedal Position Sensor / Switch "E" Circuit
  • Accelerator pedal position sensor
  • ECM
 Comes on DTC stored Applies
P2127  Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input
  • Accelerator pedal position sensor
  • Open in VCP2 circuit
  • Open or ground short in VPA2 circuit
  • ECM
 Comes on DTC stored Applies
P2128  Throttle / Pedal Position Sensor / Switch "E" Circuit High Input
  • Accelerator pedal position sensor
  • Open in EPA2 circuit
  • ECM
 Comes on DTC stored Applies
P2135  Throttle / Pedal Position Sensor / Switch "A" / "B" Voltage Correlation
  • Short between VTA1 and VTA2 circuits
  • Throttle position sensor (built into throttle body)
  • ECM
 Comes on DTC stored Applies
P2138  Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation
  • Short between VPA and VPA2 circuits
  • Accelerator pedal position sensor
  • ECM
 Comes on DTC stored Applies
P2195  Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1)
  • Open or short in air fuel ratio sensor (sensor 1) circuit
  • Air fuel ratio sensor (sensor 1)
  • Air fuel ratio sensor (sensor 1) heater
  • Air fuel ratio sensor heater circuit
  • Intake system
  • Fuel pressure
  • Fuel injector
  • ECM
 Comes on DTC stored -
P2196  Oxygen (A/F) Sensor Signal Stuck Rich (Bank 1 Sensor 1)
  • Open or short in air fuel ratio sensor (sensor 1) circuit
  • Air fuel ratio sensor (sensor 1)
  • Air fuel ratio sensor (sensor 1) heater
  • Air fuel ratio sensor heater circuit
  • Intake system
  • Fuel pressure
  • Fuel injector
  • ECM
 Comes on DTC stored -
P2237  Oxygen (A/F) Sensor Pumping Current Circuit / Open (Bank 1 Sensor 1)
  • Open in air fuel ratio sensor (sensor 1) circuit
  • Air fuel ratio sensor (sensor 1)
  • ECM
 Comes on DTC stored Applies
P2238  Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1)
  • Open or short in air fuel ratio sensor (sensor 1) circuit
  • Air fuel ratio sensor (sensor 1)
  • ECM
 Comes on DTC stored Applies
P2239  Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1)
  • Open or short in air fuel ratio sensor (sensor 1) circuit
  • Air fuel ratio sensor (sensor 1)
  • ECM
 Comes on DTC stored Applies
P2252  Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 1 Sensor 1)
  • Open or short in air fuel ratio sensor (sensor 1) circuit
  • Air fuel ratio sensor (sensor 1)
  • ECM
 Comes on DTC stored Applies
P2253  Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 1 Sensor 1)
  • Open or short in air fuel ratio sensor (sensor 1) circuit
  • Air fuel ratio sensor (sensor 1)
  • ECM
 Comes on DTC stored Applies
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
  • 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 -
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 air fuel ratio sensor (sensor 1) circuit
  • Air fuel ratio sensor
  • Air fuel ratio sensor heater
  • ECM
 Comes on DTC stored -
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