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 1314 (BATTERY, CHARGING SYSTEM AND STARTING SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6
Diagnostic Code Index
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B1325 | B1325 03: Device Power 1 Circuit Voltage Below Threshold B1325 07: Device Power 1 Circuit Voltage Above Threshold B1325 4A: Device Power 1 Circuit Checksum Error |
| DTC B1516 | B1516 08: Battery Current Sensor Signal Invalid B1516 66: Battery Current Sensor Wrong Mounting Position |
| DTC B1517 | B1517 03: Battery Voltage Below Threshold B1517 07: Battery Voltage Above Threshold B1517 52: Battery Voltage Compare Failure |
| DTC C0800 | C0800 03: Device Power 1 Circuit Voltage Below Threshold C0800 07: Device Power 1 Circuit Voltage Above Threshold |
| DTC C0895 | C0895: Device Voltage |
| DTC C0899 | C0899: Device Voltage Low |
| DTC C0900 | C0900: Device Voltage High |
| DTC P0560 | P0560: System Voltage |
| DTC P0562 | P0562: System Voltage Low |
| DTC P0563 | P0563: System Voltage High |
| DTC P0615 | P0615: Starter Relay Control Circuit |
| DTC P0616 | P0616: Starter Relay Control Circuit Low Voltage |
| DTC P0617 | P0617: Starter Relay Control Circuit High Voltage |
| DTC P0621 | P0621: Generator L-Terminal Circuit |
| DTC P0622 | P0622: Generator F-Terminal Circuit |
| DTC P0625 | P0625: Generator F-Terminal Circuit Low Voltage |
| DTC P0626 | P0626: Generator F-Terminal Circuit High Voltage |
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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.