ECM/PCM Code Description

CODE 13 - Oxygen Sensor (O2S) Circuit
CODE 14 - Engine Coolant Temperature (ECT) Sensor Circuit (High Temp.)
CODE 15 - Engine Coolant Temperature (ECT) Sensor Circuit (Low Temp.)
CODE 19 - Intermittent 7X Reference Circuit
CODE 21 - Throttle Position (TP) Sensor Circuit (High Sig.)
CODE 22 - Throttle Position (TP) Sensor Circuit (Low Sig.)
CODE 23 - Intake Air Temperature (IAT) Circuit (Low Sig.)
CODE 24 - Vehicle Speed Sensor (VSS) Circuit
CODE 25 - Intake Air Temperature (IAT) Circuit (High Sig.)
CODE 26 - Quad-Driver Module (QDSM) Circuit
CODE 27 - Quad-Driver Module (QDM 1) Circuit
CODE 28 - Quad-Driver Module (QDM 2) Circuit
CODE 33 - Manifold Absolute Pressure (MAP) Sensor Circuit (High Sig.)
CODE 34 - Manifold Absolute Pressure (MAP) Sensor Circuit (Low Sig.)
CODE 35 - Idle Speed Error
CODE 43 - Knock Sensor (KS) Circuit
CODE 44 - Oxygen Sensor (O2S) Circuit (Lean Exhaust Indicated)
CODE 45 - Oxygen Sensor (O2S) Circuit (Rich Exhaust Indicated)
CODE 51 - PROM Error (Faulty or Incorrect PROM)
CODE 53 - Battery Voltage Error
CODE 65 - Fuel Injector Circuit (Low Current)
CODE 66 - A/C Refrigerant Pressure Sensor Circuit