Powertrain Control Module (PCM)

DTC 13 - Oxygen Sensor Circuit
DTC 14 - Engine Coolant Temperature (ECT) Sensor Circuit Low(High Temp.)
DTC 15 - Engine Coolant Temperature (ECT) Sensor Circuit High (Low Temp.)
DTC 16 - VSS Buffer Fault
DTC 21 - Throttle Position (TP) Sensor Circuit (High Sig.)
DTC 22 - Throttle Position (TP) Sensor Circuit (Low Sig.)
DTC 24 - * Vehicle Speed Sensor (VSS) Circuit Low (Trans Output Speed Signal)
DTC 28 - * Transmission Range (TR) Pressure Switch Assembly
DTC 32 - Exhaust Gas Recirculation (EGR) Error
DTC 33 - Manifold Absolute Pressure (MAP) Sensor Circuit High (Low Vacuum)
DTC 34 - Manifold Absolute Pressure (MAP) Sensor Circuit Low (High Vacuum)
DTC 35 - Idle Air Control (IAC) Error
DTC 37 - * Brake Switch Stuck "ON"
DTC 38 - * Brake Switch Stuck "OFF"
DTC 39 - * TCC Stuck "OFF"
DTC 42 - Ignition Control (IC) Error
DTC 43 - Knock Sensor (KS) Circuit
DTC 44 - Lean Exhaust
DTC 45 - Rich Exhaust
DTC 51 - PROM MEM/CAL Error
DTC 52 - * System Voltage High Long
DTC 53 - * System Voltage High
DTC 54 - Fuel Pump Relay Circuit (Low Voltage)
DTC 55 - Faulty PCM
DTC 58 - * Transmission Fluid Temperature (TFT) Sensor Circuit Low (High Temperature Indicated)
DTC 59 - * Transmission Fluid Temperature (TFT) Sensor Circuit High (Low Temperature Indicated)
DTC 66 - * 3-2 Control Solenoid Circuit Fault
DTC 67 - * Torque Converter Clutch (TCC) Solenoid Circuit Fault
DTC 68 - * Trans Component Slipping
DTC 72 - * Vehicle Speed Sensor (VSS) Circuit Loss (Trans Output Speed Signal)
DTC 73 - * Pressure Control Solenoid (PCS) Fault (Current Error)
DTC 74 - * Transmission Input Speed (TIS) Sensor Circuit
DTC 75 - * System Voltage Low
DTC 79 - * Transmission Fluid Over Temp
DTC 81 - * 2-3 Shift Solenoid Circuit Fault
DTC 82 - * 1-2 Shift Solenoid Circuit Fault
DTC 83 - * Torque Converter Clutch (TCC) Pulse Width Modulated (PWM) Solenoid Circuit
DTC 85 - * Undefined Ratio Error
DTC 86 - * Low Ratio Error
DTC 87 - * High Ratio Error

*All DTCs with the sign * are transmission related DTCs and are not covered in this section.