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 MANUALSCHEVROLET2000CAB & CHASSIS C2500, 6.5 F, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 11 (BODY CONTROL MODULES)
2000 Chevrolet Cab & Chassis C2500, 6.5 F, Automatic
Section 11 (Body Control Modules)
2000 Chevrolet Cab & Chassis C2500, 6.5 F, AutomaticSECTION Section 11 (Body Control Modules)
WARNING: This page is about a different car, the 1999 GMC Sierra and 1999 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Description
- Component Locations
- Programming
- Self-Diagnostic System
- System Tests
- Diagnostic Tests
- DTC B1397: Device Voltage Reference Circuit Low
- DTC B1398: Device Voltage Reference Circuit High
- DTC B1477: Retained Accessory Power (Rap) Circuit Low
- DTC B1478: Retained Accessory Power (Rap) Circuit High
- DTC B1480: Battery Rundown Protection Circuit Malfunction
- DTC B2527: Front FOGLIGHT Circuit Low
- DTC B2577: Headlight Control Circuit Low
- DTC B2585: Park Light Control Circuit Malfunction
- DTC B2613: Passenger Compartment Dimming Circuit No. 1 High
- DTC B2617: Passenger Compartment Dimming Circuit No. 2 Low
- DTC B2618: Passenger Compartment Dimming Circuit No. 2 High
- DTC B2647: Ambient Light Sensor Circuit Low
- DTC B2648: Ambient Light Sensor Circuit High
- DTC B2752: Horn Relay Coil Circuit Low
- DTC B2961: Key-In-Ignition Circuit Malfunction
- DTC B2973: Left Front Door Key Switch Circuit Low
- DTC B3102: Keyless Entry (RFA) Data Link Circuit Low
- DTC B3137: All Door Lock Circuits Low
- DTC B3138: All Door Lock Circuits High
- DTC B3147: Passenger Door Unlock Circuit Low
- DTC B3148: Passenger Door Unlock Circuit High
- Removal & Installation
- Wiring Diagrams
RENDER: 1.0x
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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.