U0349
Software Incompatibility With Hybrid/EV Battery Interface Control Module P
U0349 is an OBD-II diagnostic trouble code meaning: Software Incompatibility With Hybrid/EV Battery Interface Control Module P. Common causes: incompatible software versions, error during software update. Estimated repair cost: ~$167.
Symptoms
- Check Engine light comes on
- Reduced performance of the hybrid system
- Errors in the operation of the regenerative braking system
- Inability to switch between driving modes
Causes
- Incompatible software versions
- Error during software update
- Data corruption in module memory
- Problems with communication between modules
- Battery management module hardware failure
How to Fix
- Check that the software versions of all modules are up to date
- Reflash problematic modules
- Check the integrity of the wiring harness between the modules
- Reset errors and calibrate the system
- Repair only from an authorized dealer
Related codes
Error U0349 by Vehicle Brand
FAQ
What does the U0349 code mean?
U0349 is an OBD-II diagnostic trouble code that indicates: Software Incompatibility With Hybrid/EV Battery Interface Control Module P
What causes a U0349 error code?
The most common causes of U0349 include: Incompatible software versions; Error during software update; Data corruption in module memory; Problems with communication between modules.
How do I fix a U0349 diagnostic trouble code?
To fix U0349: Check that the software versions of all modules are up to date. Reflash problematic modules. Check the integrity of the wiring harness between the modules. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0349?
Limited driving only, diagnose soon
How much does it cost to fix U0349?
The estimated repair cost for U0349 is ~$167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat