U0297
Lost Communication With AC/DC Converter Control Module B
U0297 is an OBD-II diagnostic trouble code meaning: Lost Communication With AC/DC Converter Control Module B. Common causes: converter control module b fault, open or short circuit in wiring. Estimated repair cost: $56–167.
Symptoms
- Incorrect operation of electrical equipment
- Malfunctions in the operation of the voltage converter
- Illumination of the fault warning lamp (Check Engine)
- Battery charging problems
- Intermittent operation of connected systems
Causes
- Converter Control Module B fault
- Open or short circuit in wiring
- Module power failure
- Poor contacts or oxidation of connectors
- Software error in control module
How to Fix
- Diagnose converter control module B
- Check the integrity of electrical wiring and contacts
- Test the module for functionality
- If necessary, replace the module or correct the wiring fault
- Update module software if necessary
Related codes
Error U0297 by Vehicle Brand
FAQ
What does the U0297 code mean?
U0297 is an OBD-II diagnostic trouble code that indicates: Lost Communication With AC/DC Converter Control Module B
What causes a U0297 error code?
The most common causes of U0297 include: Converter Control Module B fault; Open or short circuit in wiring; Module power failure; Poor contacts or oxidation of connectors.
How do I fix a U0297 diagnostic trouble code?
To fix U0297: Diagnose converter control module B. Check the integrity of electrical wiring and contacts. Test the module for functionality. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0297?
Yes, but get it checked soon
How much does it cost to fix U0297?
The estimated repair cost for U0297 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat