BMW DTC U049C – Invalid Data Received from Battery Charger Control Module
DTC U049C meaning on BMW
DTC U049C on a BMW indicates that the vehicle’s onboard diagnostic system has detected invalid data received from the Battery Charger Control Module.
BMW DTC U049C symptoms
Symptoms of DTC U049C on a BMW may include:
- Check Engine Light illuminated
- Issues with battery charging
- Electrical system malfunctions
BMW DTC U049C causes
Common causes of DTC U049C on a BMW include:
- Faulty Battery Charger Control Module
- Wiring or connection issues
- Software glitches
BMW DTC U049C seriousness
The seriousness of DTC U049C on a BMW can vary. While it may not always lead to immediate drivability issues, it is important to address the underlying cause to prevent potential electrical system problems.
How to diagnose DTC U049C on BMW
To diagnose DTC U049C on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the specific fault codes.
- Inspect the Battery Charger Control Module for any visible damage or loose connections.
- Check the wiring harness for any signs of wear or corrosion.
- Perform a battery and charging system test to ensure proper functionality.
How to fix DTC U049C on BMW
To fix DTC U049C on a BMW, you can try the following:
- Replace the faulty Battery Charger Control Module if necessary.
- Repair any damaged wiring or connections.
- Update the software of the control module if applicable.
- Clear the fault codes and perform a test drive to verify the repair.
How to erase DTC U049C on BMW
To erase DTC U049C on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s system. Once the codes are cleared, you can perform a final check to ensure that the issue has been resolved.
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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