U049C
Invalid Data Received From Battery Charger Control Module A
U049C is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Battery Charger Control Module A. Common causes: damage to the wiring harness to the charging module, charging control module a fault. Estimated repair cost: $56–278.
Symptoms
- Malfunction warning on the instrument panel
- Battery charging problems
- Reduced engine power (in hybrids)
- Inability to start (in electric cars)
- Extended charging time
Causes
- Damage to the wiring harness to the charging module
- Charging control module A fault
- Module power problems
- Contact corrosion
- Software error in the module
How to Fix
- Check the integrity of the wiring harness to the module
- Check the power supply and ground of the module
- Read extended module error codes
- Update module software
- Replace the charging control module if necessary
Related codes
Error U049C by Vehicle Brand
FAQ
What does the U049C code mean?
U049C is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Battery Charger Control Module A
What causes a U049C error code?
The most common causes of U049C include: Damage to the wiring harness to the charging module; Charging control module A fault; Module power problems; Contact corrosion.
How do I fix a U049C diagnostic trouble code?
To fix U049C: Check the integrity of the wiring harness to the module. Check the power supply and ground of the module. Read extended module error codes. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U049C?
Limited driving only, diagnose soon
How much does it cost to fix U049C?
The estimated repair cost for U049C is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat