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 MANUALSCHEVROLET2001CHEVY EXPRESS G3500, VAN PASSENGER EXTENDED, 6.5 FREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 444 (KEYLESS ENTRY SYSTEM)
2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 F
Section 444 (Keyless Entry System)
2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 FSECTION Section 444 (Keyless Entry System)
WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedure
- Diagnostic Starting Point - Keyless Entry
- Diagnostic System Check - Remote Keyless Entry
- Scan Tool Output Control
- Scan Tool Data List
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- DTC B3101: BCM Does Not Receive Acknowledgment Message From RCDLR
- DTC B3102: Keyless Entry Serial Data Circuit Is Shorted To Ground
- DTC B3103: BCM Detects A Short To Voltage In The Keyless Entry Serial Data Circuit
- DTC B3106: Body Control Module Detects An Invalid Message From The RCDLR
- Symptoms - Keyless Entry
- Keyless Entry System Inoperative
- Repair Instructions
- Description and Operation
- Special Tools & Equipment
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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.