Transmission Control Module (TCM)

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
The Malfunction Indicator Lamp (MIL) will be "ON" if an emission malfunction exists. If the malfunction clears, the lamp will go "OFF" and the DTC will be stored in the TCM. Any DTC(s) stored will be cleared if no problem recurs within 50 engine starts.


DTC NUMBER AND NAME

DTC 21 - Throttle Position Sensor Circuit High

DTC 22 - Throttle Position Sensor Circuit Low

DTC 24 - Vehicle Speed Sensor (VSS) Circuit Low (Output Speed Signal)

DTC 28 - Trans Range Pressure Switch Assembly Fault

DTC 37 - TCC Brake Switch Stuck "ON"

DTC 38 - TCC Brake Switch Stuck "OFF"

DTC 39 - TCC Stuck "OFF"

DTC 51 - PROM Error (Faulty or incorrect PROM)

DTC 52 - System Voltage High Long

DTC 53 - System Voltage High

DTC 58 - Trans Fluid Temp Circuit Low

DTC 59 - Trans Fluid Temp Circuit High

DTC 63 - BARO Sensor Circuit High

DTC 64 - BARO Sensor Circuit Low

DTC 68 - Trans Component Slipping

DTC 69 - TCC Stuck "ON"

DTC 71 - Camshaft Position Sensor Circuit Low

DTC 72 - Vehicle Speed Sensor Circuit Loss (Output Speed Signal)

DTC 73 - Pressure Control Solenoid Circuit (Current Error)

DTC 74 - Trans Input Speed (TIS) Sensor Circuit

DTC 75 - System Voltage Low

DTC 79 - Trans Fluid Overtemp

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 Fault

DTC 85 - Undefined Ratio Error

DTC 86 - Low Ratio Error

DTC 87 - High Ratio Error