U04BE
Invalid Data Received From Battery Charger Control Module B
U04BE is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Battery Charger Control Module B. Common causes: charge control module b fault, open or short circuit in the communication circuit. Estimated repair cost: $56–278.
Symptoms
- Check Engine light comes on
- Reduced battery charging efficiency
- Errors in the electric drive system
- Reduced vehicle power
- Malfunction warning on the dashboard
Causes
- Charge control module B fault
- Open or short circuit in the communication circuit
- Poor contact in module connectors
- Software error in the module
- Module power problems
How to Fix
- Check the integrity of the wiring harness to the module
- Inspect and clean connector contacts
- Check the power supply and ground of the module
- Scan the module for additional errors
- Update or reflash module software
- Repair only from an authorized dealer
Related codes
Error U04BE by Vehicle Brand
FAQ
What does the U04BE code mean?
U04BE is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Battery Charger Control Module B
What causes a U04BE error code?
The most common causes of U04BE include: Charge control module B fault; Open or short circuit in the communication circuit; Poor contact in module connectors; Software error in the module.
How do I fix a U04BE diagnostic trouble code?
To fix U04BE: Check the integrity of the wiring harness to the module. Inspect and clean connector contacts. Check the power supply and ground of the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U04BE?
Limited driving only, diagnose soon
How much does it cost to fix U04BE?
The estimated repair cost for U04BE is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat