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.
2000 Chevrolet Impala LSFACTORY OEM SERVICE PROCEDURE
Section 179 (Keyless Entry System)
WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- Schematic And Routing Diagrams
- Component Locator
- Diagnostic Information And Procedures
- Diagnostic Starting Point - Keyless Entry
- Diagnostic System Check - Remote Keyless Entry
- Scan Tool Output Controls
- Diagnostic Trouble Code (DTC) List
- DTC B1003: BCM To RCDLR Signal Loss
- DTC B3102: Serial Data Circuit Shorted To Ground
- DTC B3103: Short To Voltage In Keyless Entry Serial Data Circuit
- DTC B3106: BCM Message Parity Error
- Symptoms - Keyless Entry
- Panic Mode Inoperative
- Keyless Entry System Inoperative
- Repair Instructions
- Description And Operation
- Special Tools And Equipment
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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