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 MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1880 (HYBRID ENGINE ELECTRICAL SYSTEM 3.6L (HP5))
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Section 1880 (Hybrid Engine Electrical System 3.6L (Hp5))
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Section 1880 (Hybrid Engine Electrical System 3.6L (Hp5))
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.
- Specifications
- Schematic and Routing Diagrams
- Diagnostic Information and Procedures
- Diagnostic Code Index
- DTC B1325
- DTC B1424
- DTC B1516
- 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 DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC B1517
- 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 DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC B1527
- DTC C0800
- DTC C0899 or C12E1
- Diagnostic Instructions
- DTC Descriptor
- 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 DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC C0900 or C12E2
- Diagnostic Instructions
- DTC Descriptor
- 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 DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Repair Procedures
- DTC P0562 (ECM)
- Diagnostic Instructions (ECM)
- DTC Descriptor (ECM)
- Diagnostic Fault Information (ECM)
- Circuit/System Description (ECM)
- Conditions for Running the DTC (ECM)
- Conditions for Setting the DTC (ECM)
- Action Taken When the DTC Sets (ECM)
- Conditions for Clearing the DTC (ECM)
- Reference Information (ECM)
- Circuit/System Testing (ECM)
- Repair Procedures (ECM)
- DTC P0562 (FPCM)
- Diagnostic Instructions (FPCM)
- DTC Descriptor (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)
- Reference Information (FPCM)
- Circuit/System Verification (FPCM)
- Circuit/System Testing (FPCM)
- Repair Procedures (FPCM)
- DTC P0563 (ECM)
- Diagnostic Instructions (ECM)
- DTC Descriptor (ECM)
- Diagnostic Fault Information (ECM)
- Circuit/System Description (ECM)
- Conditions for Running the DTC (ECM)
- Conditions for Setting the DTC (ECM)
- Action Taken When the DTC Sets (ECM)
- Conditions for Clearing the DTC (ECM)
- Diagnostic Aids (ECM)
- Reference Information (ECM)
- Circuit/System Verification (ECM)
- Repair Procedures (ECM)
- DTC P0563 (FPCM)
- Diagnostic Instructions (FPCM)
- DTC Descriptor (FPCM)
- Diagnostic Fault Information (FPCM)
- Typical Scan Tool Data (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 Verification (FPCM)
- Repair Procedures (FPCM)
- DTC P0AFA
- Diagnostic Instructions
- DTC Descriptor
- 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 DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC P0AFB
- Diagnostic Instructions
- DTC Descriptor
- 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 DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Repair Procedures
- Charging System Test
- Repair Instructions
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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.