Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1720 (AUTOMATIC TRANSMISSION - 4T45-E - INTRODUCTION)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Diagnostic Code Index
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC P0218 | P0218: Transmission Fluid Overtemperature |
| DTC P0562 or P0563 | P0562: System Voltage Low P0563: System Voltage High |
| DTC P0601-P0604 or P062F (Hybrid) | P0601: Transmission Control Module (TCM) Read Only Memory (ROM) P0602: Transmission Control Module (TCM) Not Programmed P0603: Transmission Control Module (TCM) Long Term Memory Reset P0604: Transmission Control Module (TCM) Random Access Memory (RAM) P062F: Transmission Control Module (TCM) Long Term Memory Performance |
| DTC P0601-P0604 or P062F (Non-Hybrid) | P0601: Transmission Control Module (TCM) Read Only Memory (ROM) P0602: Transmission Control Module (TCM) Not Programmed P0603: Transmission Control Module (TCM) Long Term Memory Reset P0604: Transmission Control Module (TCM) Random Access Memory (RAM) P062F: Transmission Control Module (TCM) Long Term Memory Performance |
| DTC P0705 (Hybrid) | P0705: Transmission Range (TR) Switch Circuit |
| DTC P0705 (Non-Hybrid) | P0705: Transmission Range (TR) Switch Circuit |
| DTC P0711, P0712, or P0713 (Hybrid) | P0711: Transmission Fluid Temperature (TFT) Sensor Performance P0712: Transmission Fluid Temperature (TFT) Sensor Circuit Low Voltage P0713: Transmission Fluid Temperature (TFT) Sensor Circuit High Voltage |
| DTC P0711, P0712, or P0713 (Non-Hybrid) | P0711: Transmission Fluid Temperature (TFT) Sensor Performance P0712: Transmission Fluid Temperature (TFT) Sensor Circuit Low Voltage P0713: Transmission Fluid Temperature (TFT) Sensor Circuit High Voltage |
| DTC P0716 or P0717 (Hybrid) | P0716: Input Speed Sensor Performance P0717: Input Speed Sensor Circuit Low Voltage |
| DTC P0716 or P0717 (Non-Hybrid) | P0716: Input Speed Sensor Performance P0717: Input Speed Sensor Circuit Low Voltage |
| DTC P0719 or P0724 | P0719: Brake Switch Circuit Low Voltage P0724: Brake Switch Circuit High Voltage |
| DTC P0722 or P0723 (Hybrid) | P0722: Output Speed Sensor Circuit Low Voltage P0723: Output Speed Sensor Circuit Intermittent |
| DTC P0722 or P0723 (Non-Hybrid) | P0722: Output Speed Sensor Circuit Low Voltage P0723: Output Speed Sensor Circuit Intermittent |
| DTC P0741 or P0742 (Hybrid) | P0741: Torque Converter Clutch (TCC) System - Stuck Off P0742: Torque Converter Clutch (TCC) System - Stuck On |
| DTC P0741 or P0742 (Non-Hybrid) | P0741: Torque Converter Clutch (TCC) System - Stuck Off P0742: Torque Converter Clutch (TCC) System - Stuck On |
| DTC P0751 or P0752 (Hybrid) | P0751: 1-2 Shift solenoid (SS) Valve Performance - No First or Fourth Gear P0752: 1-2 Shift solenoid (SS) Valve Performance - No Second or Third Gear |
| DTC P0751 or P0752 (Non-Hybrid) | P0751: 1-2 Shift solenoid (SS) Valve Performance - No First or Fourth Gear P0752: 1-2 Shift solenoid (SS) Valve Performance - No Second or Third Gear |
| DTC P0756 or P0757 (Hybrid) | P0756: 2-3 Shift Solenoid (SS) Valve Performance - No First or Second Gear P0757: 2-3 Shift Solenoid (SS) Valve Performance - No Third or Fourth Gear |
| DTC P0756 or P0757 (Non-Hybrid) | P0756: 2-3 Shift Solenoid (SS) Valve Performance - No First or Second Gear P0757: 2-3 Shift Solenoid (SS) Valve Performance - No Third or Fourth Gear |
| DTC P0787 or P0788 (Hybrid) | P0787: Downshift Timing Solenoid Control Circuit Low Voltage P0788: Downshift Timing Solenoid Control Circuit High Voltage |
| DTC P0815, P0816, or P0826 | P0815: Upshift Switch Circuit P0816: Downshift Switch Circuit P0826: Up and Down Shift Switch Circuit |
| DTC P0842 or P0843 (Hybrid) | P0842: Transmission Fluid Pressure (TFP) Switch Circuit Low Voltage P0843: Transmission Fluid Pressure (TFP) Switch Circuit High Voltage |
| DTC P0842 or P0843 (Non-Hybrid) | P0842: Transmission Fluid Pressure (TFP) Switch Circuit Low Voltage P0843: Transmission Fluid Pressure (TFP) Switch Circuit High Voltage |
| DTC P0851 or P0852 | P0851: Park/Neutral Position (PNP) Switch Circuit Low Voltage P0852: Park/Neutral Position (PNP) Switch Circuit High Voltage |
| DTC P0961 | P0961: Line Pressure Control (PC) Solenoid System Performance |
| DTC P0973 or P0974 (Hybrid) | P0973: 1-2 Shift Solenoid (SS) Control Circuit Low Voltage P0974: 1-2 Shift Solenoid (SS) Control Circuit High Voltage |
| DTC P0973 or P0974 (Non-Hybrid) | P0973: 1-2 Shift Solenoid (SS) Control Circuit Low Voltage P0974: 1-2 Shift Solenoid (SS) Control Circuit High Voltage |
| DTC P0976 or P0977 (Hybrid) | P0976: 2-3 Shift Solenoid (SS) Control Circuit Low Voltage P0977: 2-3 Shift Solenoid (SS) Control Circuit High Voltage |
| DTC P0976 or P0977 (Non-Hybrid) | P0976: 2-3 Shift Solenoid (SS) Control Circuit Low Voltage P0977: 2-3 Shift Solenoid (SS) Control Circuit High Voltage |
| DTC P0B09 or P2796 | P0B09: Auxiliary Transmission Fluid Pump Positive Voltage Relay Control Circuit P2796: Auxiliary Transmission Fluid Pump Relay Control Circuit |
| DTC P150C | P150C: Transmission Control Module (TCM) Engine Speed Request Circuit |
| DTC P1750 | P1750: 1-2 Shift Valve Performance |
| DTC P1761 | P1761: Up and Down Shift Switch Signal Circuit |
| DTC P1808 or P1809 (Hybrid) | P1808: Transmission Fluid Pressure (TFP) Position Switch - Stuck Off P1809: Transmission Fluid Pressure (TFP) Position Switch - Stuck On |
| DTC P1810, P1816, or P1818 (Hybrid) | P1810: Transmission Fluid Pressure (TFP) Position Switch Circuit P1816: Transmission Fluid Pressure (TFP) Valve Position Switch Indicates Park/Neutral (P/N) with Drive Ratio P1818: Transmission Fluid Pressure (TFP) Valve Position Switch Indicates Drive without Drive Ratio |
| DTC P1810, P1816, or P1818 (Non-Hybrid) | P1810: Transmission Fluid Pressure (TFP) Position Switch Circuit P1816: Transmission Fluid Pressure (TFP) Valve Position Switch Indicates Park/Neutral (P/N) with Drive Ratio P1818: Transmission Fluid Pressure (TFP) Valve Position Switch Indicates Drive without Drive Ratio |
| DTC P1811 | P1811: Maximum Adapt and Long Shift |
| DTC P1876 or P1877 | P1876: Up and Down Shift Enable Switch Circuit Low Voltage P1877: Up and Down Shift Enable Switch Circuit High Voltage |
| DTC P2534 (Hybrid) | P2534: Ignition 1 Switch Circuit Low Voltage |
| DTC P2534 (Non-Hybrid) | P2534: Ignition 1 Switch Circuit Low Voltage |
| DTC P2544 (Hybrid) | P2544: Transmission Torque Request Circuit |
| DTC P2763 or P2764 (Hybrid) | P2763: Torque Converter Clutch (TCC) Pressure Control (PC) Solenoid Control Circuit High Voltage P2764: Torque Converter Clutch (TCC) Pressure Control (PC) Solenoid Control Circuit Low Voltage |
| DTC P2763 or P2764 (Non-Hybrid) | P2763: Torque Converter Clutch (TCC) Pressure Control (PC) Solenoid Control Circuit High Voltage P2764: Torque Converter Clutch (TCC) Pressure Control (PC) Solenoid Control Circuit Low Voltage |
| DTC P2797 | P2797: Auxiliary Transmission Fluid Pump Performance |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.