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
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.