Diagnostic Trouble Code Definitions
WARNING: This page is about a different car, the 2002 GMC Cab & Chassis Sierra and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Only transmission-related DTCs are listed. If any engine performance-related DTC are present, they must be repaired first, as engine performance and related component signals will affect transmission operation and diagnosis.
DIAGNOSTIC TROUBLE CODE INDEX
| DTC |
Description |
| P0218 |
Transmission Fluid Overtemperature |
| P0502 |
OSS Circuit - Low Input |
| P0503 |
OSS Circuit - Intermittent |
| P0706 |
Transmission Range Switch Circuit - Low Input |
| P0711 |
TFT Sensor Circuit - Range/Performance |
| P0712 |
TFT Sensor Circuit - Low Input |
| P0713 |
TFT Sensor Circuit - High Input |
| P0716 |
ISS Circuit - Intermittent |
| P0717 |
ISS Circuit - Low Input |
| P0719 |
Brake Switch Circuit - Low Input |
| P0724 |
Brake Switch Circuit - High Input |
| P0730 |
Incorrect Gear Ratio |
| P0741 |
TCC System - Stuck Off |
| P0742 |
TCC System - Stuck On |
| P0748 |
PC Solenoid Circuit - Electrical Malfunction |
| P0751 |
1-2 Shift Solenoid Valve - Performance |
| P0752 |
1-2 Shift Solenoid Valve - Performance |
| P0753 |
1-2 Shift Solenoid Valve Circuit - Electrical Malfunction |
| P0756 |
2-3 Shift Solenoid Valve - Performance |
| P0757 |
2-3 Shift Solenoid Valve - Performance |
| P0758 |
2-3 Shift Solenoid Valve Circuit - Electrical Malfunction |
| P1810 |
TFP Manual Valve Position Switch Assembly - Circuit Malfunction |
| P1860 |
TCC PWM Solenoid Circuit - Electrical Malfunction |
| P1870 |
Transmission Component Slipping |