| DTC | Description |
|---|---|
| DTC P0218 | DTC P0218 Transmission Fluid Overtemperature |
| DTC P0502 | DTC P0502 Vehicle Speed Sensor (VSS) Absence of Signal |
| DTC P0561 | DTC P0561 System Voltage Performance |
| DTC P0562, P0563, or P2534 | DTC P0562 System Voltage Low DTC P0563 System Voltage High DTC P2534 Ignition 1 Switch Circuit Low Voltage |
| DTC P0571 | DTC P0571 Brake Switch Circuit 1 |
| DTC P0602 | DTC P0602 Transmission Control Module (TCM) Not Programmed |
| DTC P0634 | DTC P0634 Transmission Control Module (TCM) Overtemperature |
| DTC P0657 or P0658 | DTC P0657 Solenoid High Control Circuit Group 1 DTC P0658 Solenoid High Control Circuit Group 1 Low Voltage |
| DTC P0659 or P2671 | DTC P0659 Solenoid High Control Circuit Group 1 High Voltage DTC P2671 Solenoid High Control Circuit Group 2 High Voltage |
| DTC P0701 | DTC P0701 Transmission Control System Performance |
| DTC P0703 | DTC P0703 Brake Switch Circuit |
| DTC P0706 | DTC P0706 Transmission Range Sensor Circuit Performance |
| DTC P0708 | DTC P0708 Transmission Range Switch Circuit High Voltage |
| DTC P0711 | DTC P0711 Transmission Fluid Temperature (TFT) Sensor Circuit Low Performance |
| DTC P0712 or P0713 | DTC P0712 Transmission Fluid Temperature (TFT) Sensor Circuit Low Voltage DTC P0713 Transmission Fluid Temperature (TFT) Sensor Circuit High Voltage |
| DTC P0716 or P0717 | DTC P0716 Turbine Input Speed Sensor Performance DTC P0717 Turbine Input Speed Low |
| DTC P071A | DTC P071A Transmission Tow Mode Switch Circuit |
| DTC P0721 or P0722 | DTC P0721 Output Speed Sensor Performance DTC P0722 Output Speed Sensor Circuit Low Voltage |
| DTC P0729 or P0731-P0736 | DTC P0729 Incorrect 6th Gear Ratio DTC P0731 Incorrect 1st Gear Ratio DTC P0732 Incorrect 2nd Gear Ratio DTC P0733 Incorrect 3rd Gear Ratio DTC P0734 Incorrect 4th Gear Ratio DTC P0735 Incorrect 5th Gear Ratio DTC P0736 Incorrect Reverse Gear Ratio |
| DTC P0741 or P0742 | DTC P0741 Torque Converter Clutch (TCC) System-Stuck Off DTC P0742 Torque Converter Clutch (TCC) System-Stuck On |
| DTC P0751, P0756, or P0761 | DTC P0751 Shift Solenoid (SS) 1 Valve Performance - Stuck Off DTC P0756 Shift Solenoid (SS) 2 Valve Performance - Stuck Off DTC P0761 Shift Solenoid (SS) 3 Valve Performance - Stuck Off |
| DTC P0752, P0757, or P0762 | DTC P0752 Shift Solenoid (SS) 1 Valve Performance - Stuck On DTC P0757 Shift Solenoid (SS) 2 Valve Performance - Stuck On DTC P0762 Shift Solenoid (SS) 3 Valve Performance - Stuck On |
| DTC P0776 or P0777 | DTC P0776 Pressure Control (PC) Solenoid 2 - Stuck Off DTC P0777 Pressure Control (PC) Solenoid 2 - Stuck On |
| DTC P0815, P0816, or P0826 | DTC P0815 Upshift Switch Circuit DTC P0816 Downshift Switch Circuit DTC P0826 Up and Down Shift Switch Circuit |
| DTC P0842, P0847, or P0872 | DTC P0842 Transmission Fluid Pressure (TFP) Switch 1 Circuit Low Voltage DTC P0847 Transmission Fluid Pressure (TFP) Switch 2 Circuit Low Voltage DTC P0872 Transmission Fluid Pressure (TFP) Switch 3 Circuit Low Voltage |
| DTC P0843, P0848, or P0873 | DTC P0843 Transmission Pressure Switch 1 Circuit High Voltage DTC P0848 Transmission Pressure Switch 2 Circuit High Voltage DTC P0873 Transmission Pressure Switch 3 Circuit High Voltage |
| DTC P0851 or P0852 | DTC P0851 Park/Neutral Position (PNP) Switch Circuit Low Voltage DTC P0852 Park/Neutral Position (PNP) Switch Circuit High Voltage |
| DTC P0877 or P0878 | DTC P0877 Transmission Fluid Pressure (TFP) Switch 4 Circuit Low Voltage DTC P0878 Transmission Fluid Pressure (TFP) Switch 4 Circuit High Voltage |
| DTC P0880 | DTC P0880 Transmission Control Module (TCM) Power Input Circuit |
| DTC P0881 | DTC P0881 Transmission Control Module (TCM) Power Input Performance |
| DTC P0882 or P0883 | DTC P0882 Transmission Control Module (TCM) Power Input Circuit Low Voltage DTC P0883 Transmission Control Module (TCM) Power Input Circuit High Voltage |
| DTC P0894 | DTC P0894 Transmission Component Slipping |
| DTC P0960-P0963 | DTC P0960 Main Modulation/Line Pressure Control (PC) Solenoid Control Circuit Open DTC P0961 Pressure Control (PC) Solenoid 1 System Performance DTC P0962 Main Modulation/Line Pressure Control (PC) Solenoid Control Circuit Low Voltage DTC P0963 Main Modulation/Line Pressure Control (PC) Solenoid Control Circuit High Voltage |
| DTC P0964-P0967 | DTC P0964 Pressure Control (PC) Solenoid 2 Control Circuit Open DTC P0965 Pressure Control (PC) Solenoid 2 System Performance DTC P0966 Pressure Control (PC) Solenoid 2 Control Circuit Low Voltage DTC P0967 Pressure Control (PC) Solenoid 2 Control Circuit High Voltage |
| DTC P0972-P0974 | DTC P0972 Shift Solenoid (SS) 1 Control Circuit Open DTC P0973 Shift Solenoid (SS) 1 Control Circuit Low Voltage DTC P0974 Shift Solenoid (SS) 1 Control Circuit High Voltage |
| DTC P0975-P0977 | DTC P0975 Shift Solenoid (SS) 2 Control Circuit Open DTC P0976 Shift Solenoid (SS) 2 Control Circuit Low Voltage DTC P0977 Shift Solenoid (SS) 2 Control Circuit High Voltage |
| DTC P0979 or P0980 | DTC P0979 Shift Solenoid (SS) 3 Control Circuit Low Voltage DTC P0980 Shift Solenoid (SS) 3 Control Circuit High Voltage |
| DTC P1761 or P1762 | DTC P1761 Up and Down Shift Switch Signal Circuit DTC P1762 Transmission Mode Switch Signal Circuit |
| DTC P2536 | DTC P2536 Ignition Accessory Switch Circuit |
| DTC P2669 or P2670 | DTC P2669 Solenoid High Control Circuit Group 2 DTC P2670 Solenoid High Control Circuit Group 2 Low Voltage |
| DTC P2723 or P2724 | DTC P2723 Pressure Control (PC) Solenoid 1 Stuck Off DTC P2724 Pressure Control (PC) Solenoid 1 Stuck On |
| DTC P2727-P2730 | DTC P2727 Pressure Control (PC) Solenoid 1 Open DTC P2728 Pressure Control (PC) Solenoid 1 System Performance DTC P2729 Pressure Control (PC) Solenoid 1 Control Circuit Low Voltage DTC P2730 Pressure Control (PC) Solenoid 1 Control Circuit High Voltage |
| DTC P2761-P2764 | DTC P2761 Torque Converter Clutch (TCC) Pressure Control (PC) Solenoid Control Circuit DTC P2762 Torque Converter Clutch (TCC) Pressure Control (PC) Solenoid System Performance DTC P2763 Torque Converter Clutch (TCC) Pressure Control (PC) Solenoid Control Circuit High Voltage DTC P2764 Torque Converter Clutch (TCC) Pressure Control (PC) Solenoid Control Circuit Low Voltage |
| DTC P2771 | DTC P2771 Four Wheel Drive (4WD) Switch Circuit |
SIERRA & SILVERADO - DIAGNOSTIC CODE INDEX
See also:
• DTC P0218