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 MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2027 (AUTOMATIC TRANSMISSION - 4T45-E - DTC P0973 TO DTC P2797)
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6
Section 2027 (Automatic Transmission - 4T45-E - DTC P0973 To DTC P2797)
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Section 2027 (Automatic Transmission - 4T45-E - DTC P0973 To DTC P2797)
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.
- DTC P0973 or P0974 (Hybrid)
- Diagnostic Instructions (Hybrid)
- DTC Descriptors (Hybrid)
- Diagnostic Fault Information (Hybrid)
- Typical Scan Tool Data (Hybrid)
- Circuit/System Description (Hybrid)
- Conditions for Running the DTC (Hybrid)
- Conditions for Setting the DTC (Hybrid)
- Action Taken When the DTC Sets (Hybrid)
- Conditions for Clearing the DTC (Hybrid)
- Reference Information (Hybrid)
- Circuit/System Verification (Hybrid)
- Circuit/System Testing (Hybrid)
- Component Testing (Hybrid)
- Repair Procedures (Hybrid)
- DTC P0973 or P0974 (Non-Hybrid)
- Diagnostic Instructions (Non-Hybrid)
- DTC Descriptors (Non-Hybrid)
- Diagnostic Fault Information (Non-Hybrid)
- Typical Scan Tool Data (Non-Hybrid)
- Circuit/System Description (Non-Hybrid)
- Conditions for Running the DTC (Non-Hybrid)
- Conditions for Setting the DTC (Non-Hybrid)
- Action Taken When the DTC Sets (Non-Hybrid)
- Conditions for Clearing the DTC (Non-Hybrid)
- Reference Information (Non-Hybrid)
- Circuit/System Verification (Non-Hybrid)
- Circuit/System Testing (Non-Hybrid)
- Component Testing (Non-Hybrid)
- Repair Procedures (Non-Hybrid)
- DTC P0976 or P0977 (Hybrid)
- Diagnostic Instructions (Hybrid)
- DTC Descriptors (Hybrid)
- Diagnostic Fault Information (Hybrid)
- Typical Scan Tool Data (Hybrid)
- Circuit/System Description (Hybrid)
- Conditions for Running the DTC (Hybrid)
- Conditions for Setting the DTC (Hybrid)
- Action Taken When the DTC Sets (Hybrid)
- Conditions for Clearing the DTC (Hybrid)
- Reference Information (Hybrid)
- Circuit/System Verification (Hybrid)
- Circuit/System Testing (Hybrid)
- Component Testing (Hybrid)
- Repair Procedures (Hybrid)
- DTC P0976 or P0977 (Non-Hybrid)
- Diagnostic Instructions (Non-Hybrid)
- DTC Descriptors (Non-Hybrid)
- Diagnostic Fault Information (Non-Hybrid)
- Typical Scan Tool Data (Non-Hybrid)
- Circuit/System Description (Non-Hybrid)
- Conditions for Running the DTC (Non-Hybrid)
- Conditions for Setting the DTC (Non-Hybrid)
- Action Taken When the DTC Sets (Non-Hybrid)
- Conditions for Clearing the DTC (Non-Hybrid)
- Reference Information (Non-Hybrid)
- Circuit/System Verification (Non-Hybrid)
- Circuit/System Testing (Non-Hybrid)
- Component Testing (Non-Hybrid)
- Repair Procedures (Non-Hybrid)
- DTC P0B09 or P2796
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Procedures
- DTC P150C
- DTC P1750
- DTC P1761
- DTC P1808 or P1809 (Hybrid)
- Diagnostic Instructions (Hybrid)
- DTC Descriptors (Hybrid)
- Circuit/System Description (Hybrid)
- Conditions for Running the DTC (Hybrid)
- Conditions for Setting the DTC (Hybrid)
- Action Taken When the DTC Sets (Hybrid)
- Conditions for Clearing the DTC (Hybrid)
- Diagnostic Aids (Hybrid)
- Reference Information (Hybrid)
- Circuit/System Verification (Hybrid)
- Circuit/System Testing (Hybrid)
- Component Testing (Hybrid)
- Repair Procedures (Hybrid)
- DTC P1810, P1816, or P1818 (Hybrid)
- Diagnostic Instructions (Hybrid)
- DTC Descriptors (Hybrid)
- Diagnostic Fault Information (Hybrid)
- Typical Scan Tool Data (Hybrid)
- Circuit/System Description (Hybrid)
- Conditions for Running the DTC (Hybrid)
- Conditions for Setting the DTC (Hybrid)
- Action Taken When the DTC Sets (Hybrid)
- Conditions for Clearing the DTC (Hybrid)
- Diagnostic Aids (Hybrid)
- Reference Information (Hybrid)
- Circuit/System Verification (Hybrid)
- Circuit/System Testing (Hybrid)
- Component Testing (Hybrid)
- Repair Procedures (Hybrid)
- DTC P1810, P1816, or P1818 (Non-Hybrid)
- Diagnostic Instructions (Non-Hybrid)
- DTC Descriptors (Non-Hybrid)
- Diagnostic Fault Information (Non-Hybrid)
- Typical Scan Tool Data (Non-Hybrid)
- Circuit/System Description (Non-Hybrid)
- Conditions for Running the DTC (Non-Hybrid)
- Conditions for Setting the DTC (Non-Hybrid)
- Action Taken When the DTC Sets (Non-Hybrid)
- Conditions for Clearing the DTC (Non-Hybrid)
- Diagnostic Aids (Non-Hybrid)
- Reference Information (Non-Hybrid)
- Circuit/System Verification (Non-Hybrid)
- Circuit/System Testing (Non-Hybrid)
- Component Testing (Non-Hybrid)
- Repair Procedures (Non-Hybrid)
- DTC P1811
- DTC P1876 or P1877
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Typical Scan Tool Data
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DIC/DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Procedures
- DTC P2534 (Hybrid)
- Diagnostic Instructions (Hybrid)
- DTC Descriptor (Hybrid)
- Diagnostic Fault Information (Hybrid)
- Typical Scan Tool Data (Hybrid)
- Circuit/System Description (Hybrid)
- Conditions for Running the DTC (Hybrid)
- Conditions for Setting the DTC (Hybrid)
- Action Taken When the DTC Sets (Hybrid)
- Conditions for Clearing the DTC (Hybrid)
- Reference Information (Hybrid)
- Circuit/System Verification (Hybrid)
- Circuit/System Testing (Hybrid)
- Repair Procedures (Hybrid)
- DTC P2534 (Non-Hybrid)
- Diagnostic Instructions (Non-Hybrid)
- DTC Descriptor (Non-Hybrid)
- Diagnostic Fault Information (Non-Hybrid)
- Typical Scan Tool Data (Non-Hybrid)
- Circuit/System Description (Non-Hybrid)
- Conditions for Running the DTC (Non-Hybrid)
- Conditions for Setting the DTC (Non-Hybrid)
- Action Taken When the DTC Sets (Non-Hybrid)
- Conditions for Clearing the DTC (Non-Hybrid)
- Reference Information (Non-Hybrid)
- Circuit/System Verification (Non-Hybrid)
- Circuit/System Testing (Non-Hybrid)
- Repair Procedures (Non-Hybrid)
- DTC P2544 (Hybrid)
- Diagnostic Instructions (Hybrid)
- DTC Descriptor (Hybrid)
- Circuit/System Description (Hybrid)
- Conditions for Running the DTC (Hybrid)
- Conditions for Setting the DTC (Hybrid)
- Action Taken When the DTC Sets (Hybrid)
- Conditions for Clearing the DTC (Hybrid)
- Diagnostic Aids (Hybrid)
- Reference Information (Hybrid)
- Circuit/System Verification (Hybrid)
- Circuit/System Testing (Hybrid)
- Repair Procedures (Hybrid)
- DTC P2763 or P2764 (Hybrid)
- Diagnostic Instructions (Hybrid)
- DTC Descriptors (Hybrid)
- Diagnostic Fault Information (Hybrid)
- Typical Scan Tool Data (Hybrid)
- Circuit/System Description (Hybrid)
- Conditions for Running the DTC (Hybrid)
- Conditions for Setting the DTC (Hybrid)
- Action Taken When the DTC Sets (Hybrid)
- Conditions for Clearing the DTC (Hybrid)
- Reference Information (Hybrid)
- Circuit/System Verification (Hybrid)
- Circuit/System Testing (Hybrid)
- Component Testing (Hybrid)
- Repair Procedures (Hybrid)
- DTC P2763 or P2764 (Non-Hybrid)
- Diagnostic Instructions (Non-Hybrid)
- DTC Descriptors (Non-Hybrid)
- Diagnostic Fault Information (Non-Hybrid)
- Typical Scan Tool Data (Non-Hybrid)
- Circuit/System Description (Non-Hybrid)
- Conditions for Running the DTC (Non-Hybrid)
- Conditions for Setting the DTC (Non-Hybrid)
- Action Taken When the DTC Sets (Non-Hybrid)
- Conditions for Clearing the DTC (Non-Hybrid)
- Reference Information (Non-Hybrid)
- Circuit/System Verification (Non-Hybrid)
- Circuit/System Testing (Non-Hybrid)
- Component Testing (Non-Hybrid)
- Repair Procedures (Non-Hybrid)
- DTC P2797
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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.