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 1745 (ENGINE CONTROLS AND FUEL - 3.6L (LCS) - DTC P0638 TO DTC P2229)
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Section 1745 (Engine Controls And Fuel - 3.6L (LCS) - DTC P0638 To DTC P2229)
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Section 1745 (Engine Controls And Fuel - 3.6L (LCS) - DTC P0638 To DTC P2229)
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 P0638, P2100, P2101, or P2119
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTCs
- 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
- Repair Procedures
- DTC P0641 or P06A6 (FPCM)
- Diagnostic Instructions (FPCM)
- DTC Descriptors (FPCM)
- Diagnostic Fault Information (FPCM)
- Circuit/System Description (FPCM)
- Conditions for Running the DTC (FPCM)
- Conditions for Setting the DTC (FPCM)
- Action Taken When the DTC Sets (FPCM)
- Conditions for Clearing the DTC (FPCM)
- Diagnostic Aids (FPCM)
- Reference Information (FPCM)
- Circuit/System Testing (FPCM)
- Repair Procedures (FPCM)
- DTC P0641-P0643, P0651-P0653, or P0697-P0699
- DTC P064D or P064E
- DTC P0650
- 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
- Repair Procedures
- DTC P0685, P0686, P0687, P0689, or P0690
- Diagnostic Instructions
- DTC Descriptors
- 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 MIL/DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Procedures
- DTC P069E
- DTC P0700
- DTC P0856
- DTC P0AC4
- DTC P1011-P1014
- DTC P1255 or P064A
- DTC P1380
- DTC P1551
- DTC P1B12
- DTC P2096 or P2098
- DTC P2097 or P2099
- DTC P2105
- DTC P2122, P2123, P2127, P2128, or P2138
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Typical Scan Tool Data
- Circuit/System Description
- Conditions for Running the DTCs
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC P2176
- DTC P2177, P2179, P2187, or P2189
- DTC P2178, P2180, P2188, or P2190
- DTC P2195 or P2197
- DTC P2196 or P2198
- DTC P2227, P2228, or P2229
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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.