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 6 other vehicles, including the 2009 GMC Savana Special, 2009 GMC Savana Camper Special, 2009 GMC Savana, 2009 Chevrolet RV Cutaway, and 2009 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX

DTC Description
DTC B1395  B1395 03: Device Voltage Reference Output 1 Circuit Below Threshold
B1395 07: Device Voltage Reference Output 1 Circuit Above Threshold
DTC B1480  B1480 00: Battery Rundown Protection Circuit
DTC B2545  B2545 00: Backup Lamps Circuit
DTC B2575  B2575 00: Headlamp Control Circuit
DTC B257A  B257A 00: Headlamp Switch Input Signal Mismatch
DTC B2580  B2580 00: Headlamp High Beam Control Circuit
DTC B2585  B2585 00: Left Park Lamp Control Circuit
DTC B2600  B2600 00: Daytime Running Lamp Control Circuit
DTC B2610  B2610 00: Passenger Compartment Dimming 1 Circuit
DTC B2615 (with out YF7)  B2615 00: Passenger Compartment Dimming 2 Circuit
DTC B2615 (with YF7)  B2615 00: Passenger Compartment Dimming 2 Circuit
DTC B2645  B2645 03: Ambient Light Sensor Circuit Below Threshold
B2645 07: Ambient Light Sensor Circuit Above Threshold
DTC B2652  B2652 00: Passenger Compartment Dimming 3
DTC B3445  B3445 00: Center High Mounted Stop Lamp (CHMSL) Circuit
DTC B3600  B3600 03: Passenger Compartment Dimming Request Signal Circuit Voltage Below Threshold
DTC B3884  B3884 00: Stoplamp Circuit
DTC C0277, C0297, or C0890  C0277 00: Brake Pedal Position Sensor Calibration Not Learned
C0297 00: Brake Applied Output Circuit
C0890 00: Device Voltage Reference Output 3 Circuit Voltage Out of Range
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.