1. Body Control Module Failure
Fault Codes:
B10CD indicates a control module fault, U0146 signals lost gateway communication, B11CF relates to lighting circuit issues, U0100 shows ECM communication failure, often due to wiring, module faults, or network disruptions.
Why it happens:
Body Control Module failure occurs due to electrical shorts, water damage, overheating, faulty wiring, or software corruption, leading to malfunctioning vehicle systems.
Symptoms:
- Malfunctioning interior lights: Dome or dashboard lights flicker, stay on, or fail to operate properly.
- Faulty power windows and locks: Windows or door locks may stop functioning, operate intermittently, or behave erratically.
- Electrical system glitches: Unexpected issues with wipers, horn, or radio may occur due to BCM failure.
- Warning lights on the dashboard: The check engine light or other system alerts may illuminate due to faulty module communication.
- Battery drain: The BCM may cause excessive power draw, leading to rapid battery depletion.
- Failure of remote key functions: Key fob remote locking, unlocking, or keyless entry features may stop working.
Parts to Replace
- Rear 011719241 The Volkswagen Body Control Module – Rear (011719241) is an OEM replacement part designed for Volkswagen vehicles, ensuring reliable electrical system management.
- Rear PART # 011719261 The Volkswagen Body Control Module – Rear (Part # 011719261) is an OEM replacement part designed for Volkswagen vehicles, ensuring reliable electrical system management.