Powertrain Control Module (PCM)

Code 13 Oxygen Sensor Circuit (Open Circuit)
Code 14 Engine Coolant Temp (ECT) Sensor Circuit (High Temp)
Code 15 Engine Coolant Temp (ECT) Sensor Circuit (Low Temp)
Code 19 Intermittent 7X Reference Signal
Code 21 Throttle Position (TP) Sensor (Signal Voltage High)
Code 22 Throttle Position (TP) Sensor (Signal Voltage Low)
Code 23 Intake Air Temperature (IAT) Sensor (Low Temp)
Code 24 Vehicle Speed Sensor (VSS) Circuit
Code 25 Intake Air Temperature (IAT) Sensor (High Temp)
Code 26 Quad-Driver Module (QDSM) Circuit
Code 27 Quad-Driver Module (QDM1)
Code 28 Quad-Driver Module (QDM2)
Code 32 Exhaust Gas Recirculation (EGR) Valve
Code 33 MAP Sensor Circuit (Signal Voltage High)
Code 34 MAP Sensor Circuit (Signal Voltage Low)
Code 35 Idle Speed Error
Code 43 Knock Sensor (KS) Circuit
Code 44 Oxygen Sensor Circuit (Lean Exhaust Indicated)
Code 45 Oxygen Sensor Circuit (Rich Exhaust Indicated)
Code 51 EPROM Error
Code 53 Battery Voltage Error
Code 55 Fuel Lean Monitor
Code 66 A/C Refrigerant Pressure Sensor Circuit