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Diagnostic Trouble Code Definitions

DIAGNOSTIC TROUBLE CODE DEFINITIONS

DTC (1) Description
P0100  Mass Airflow Meter Circuit
P0101  Mass Airflow Meter Circuit Range/Performance
P0110 (2) Intake Air Temperature Sensor Circuit
P0115 (2) Engine Coolant Temperature Sensor Circuit
P0116  Engine Coolant Temperature Sensor Circuit Range/Performance
P0120 (2) Throttle Position Sensor Circuit
P0121  Throttle Position Sensor Circuit Range/Performance
P0125  Insufficient Coolant Temperature For Closed Loop Fuel Control
P0128  Thermostat Malfunction
P0136  Heated Oxygen Sensor Circuit (Bank 1 Sensor 2)
P0141  Heated Oxygen Sensor Heater Circuit (Bank 1 Sensor 2)
P0156  Heated Oxygen Sensor Circuit (Bank 2 Sensor 2)
P0161  Heated Oxygen Sensor Heater Circuit (Bank 2 Sensor 2)
P0171  System Too Lean (Bank No. 1)
P0172  System Too Rich (Bank No. 1)
P0174  System Too Lean (Bank No. 2)
P0175  System Too Rich (Bank No. 2)
P0300  Random/Multiple Cylinder Misfire Detected
P0301  Cylinder No. 1 Misfire Detected
P0302  Cylinder No. 2 Misfire Detected
P0303  Cylinder No. 3 Misfire Detected
P0304  Cylinder No. 4 Misfire Detected
P0325 (2) Knock Sensor Circuit
P0335  Crankshaft Position Sensor Circuit
P0340  Camshaft Position Sensor Circuit
P0420  Catalyst System Efficiency Below Threshold (Bank No. 1)
P0430  Catalyst System Efficiency Below Threshold (Bank No. 2)
P0440  Evaporative Emission Control System
P0441  Incorrect EVAP Purge Flow
P0442  Evaporative Emission Control System Leak Detected (Small Leak)
P0446  EVAP Vent Control Malfunction
P0450  EVAP Pressure Sensor Circuit
P0451  EVAP Pressure Sensor Range/Performance
P0500  Vehicle Speed Sensor Circuit
P0505  Idle Control System Malfunction
P1130  Air/Fuel Sensor Circuit (Bank 1 Sensor 1)
P1133  Air/Fuel Sensor Circuit Response Malfunction (Bank 1 Sensor 1)
P1135  Air/Fuel Sensor Heater Circuit (Bank 1 Sensor 1)
P1150  Air/Fuel Sensor Circuit (Bank 2 Sensor 1)
P1153  Air/Fuel Sensor Circuit Response Malfunction (Bank 2 Sensor 1)
P1155  Air/Fuel Sensor Heater Circuit (Bank 2 Sensor 1)
P1300 (2) Ignitor No. 1 Circuit
P1305 (2) Ignitor No. 2 Circuit
P1310 (2) Ignitor No. 3 Circuit
P1315 (2) Ignitor No. 4 Circuit
P1335 (4) Crankshaft Position Sensor Circuit
P1346  Variable Valve Timing Sensor Circuit Range/Performance
P1349  Variable Valve Timing System Malfunction
P1520  Stoplight Switch Signal Circuit
P1600  Engine Control Module BATT Circuit
P1656  Oil Control Valve Circuit Malfunction
P1780 (5) Neutral Start Switch Malfunction
(1) Some DTCs are two-trip detection logic DTCs. For more information, see TWO-TRIP DETECTION LOGIC  under SELF-DIAGNOSTIC SYSTEM.
(2) If this DTC is set, Engine Control Module (ECM) will enter fail-safe mode.
(3) DTC applies only to models with electronically controlled automatic transaxle. For testing procedures, see appropriate DIAGNOSIS article in AUTOMATIC TRANSMISSIONS.
(4) MIL will not illuminate.
(5) Test applies only to A/T models.
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