Diagnostic Code Index

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Diagnostic Code Index
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. 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 Circuit Voltage Below Threshold
B1325 07: Device Power Circuit Voltage Above Threshold
DTC B1424  B1424 00: Device Voltage Low - Theft Deterrent Module
DTC B1516  B1516 08: Battery Current Sensor Performance Signal Invalid
B1516 66: Battery Current Sensor Performance Wrong Mounting Position
DTC B1517  B1517 03: Battery Voltage Below Threshold - BCM
B1517 07: Battery Voltage Above Threshold - BCM
B1517 5A: Battery Voltage Plausibility Failure - BCM
DTC B1527  B1527 00: High Parasitic Load
DTC C0895  C0895 00: Device Voltage - Electronic Suspension Control Module
DTC C0899  C0899 00: Device Voltage Low - EBCM (w/o JL4)
C0899 03: Device Voltage Low - EBCM (JL4)
DTC C0900  C0900 00: Device Voltage High - EBCM
DTC P0562 (ECM)  P0562: System Voltage Low - ECM
DTC P0562 (FPCM)  P0562: System Voltage Low - FPCM
DTC P0563 (ECM)  P0563: System Voltage High - ECM
DTC P0563 (FPCM)  P0563: System Voltage High - FPCM
DTC P0615  P0615: Starter Relay Control Circuit
DTC P0621  P0621: Generator L-Terminal Circuit
DTC P0622  P0622: Generator F-Terminal Circuit
DTC P1668  P1668: Generator L-Terminal Control Circuit
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.