BMW DTC U012C – Lost Communication with Active Vibration Control Module
DTC U012C meaning on BMW
DTC U012C on a BMW indicates a communication error between the vehicle’s control module and the Active Vibration Control (AVC) module. The AVC module is responsible for managing the vehicle’s vibration control system, and when communication is lost, it can lead to issues with the system’s operation.
BMW DTC U012C symptoms
Symptoms of DTC U012C on a BMW may include:
- Warning light on the dashboard
- Loss of functionality in the vehicle’s vibration control system
- Unusual vibrations or noises coming from the vehicle
BMW DTC U012C causes
The possible causes of DTC U012C on a BMW include:
- Faulty wiring or connections between the control module and the AVC module
- Defective AVC module
- Software issues within the control module
BMW DTC U012C seriousness
While DTC U012C may not directly affect the drivability of the vehicle, it is important to address this issue promptly. Ignoring communication errors between modules can lead to further malfunctions in the vehicle’s systems and potentially compromise safety.
How to diagnose DTC U012C on BMW
To diagnose DTC U012C on a BMW, a mechanic would typically:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the wiring and connections between the control module and the AVC module
- Test the AVC module for proper functionality
- Check for any software updates or reprogramming needed
How to fix DTC U012C on BMW
To fix DTC U012C on a BMW, the following steps may be taken:
- Repair or replace any faulty wiring or connections
- Replace the defective AVC module, if necessary
- Update or reprogram the software in the control module
How to erase DTC U012C on BMW
After addressing the underlying issue causing DTC U012C on a BMW, the fault code can be erased using a diagnostic scanner. This will clear the code from the vehicle’s memory and turn off the warning light on the dashboard.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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