U0346
Software Incompatibility With Hybrid/EV Battery Interface Control Module M
U0346 is an OBD-II diagnostic trouble code meaning: Software Incompatibility With Hybrid/EV Battery Interface Control Module M. Common causes: outdated software, errors in module programming. Estimated repair cost: ~$167.
Symptoms
- Check Engine light comes on
- Reduced performance of the hybrid system
- Battery charging problems
- Incorrect display of battery status information
- The vehicle goes into emergency mode
Causes
- Outdated software
- Errors in module programming
- Software version mismatch between modules
- Data corruption in module memory
- Software update problems
How to Fix
- Check that the software of all modules is up to date
- Reflash problematic modules
- Update software to the latest version
- Check data integrity in module memory
- Repair only from an authorized dealer
Related codes
Error U0346 by Vehicle Brand
FAQ
What does the U0346 code mean?
U0346 is an OBD-II diagnostic trouble code that indicates: Software Incompatibility With Hybrid/EV Battery Interface Control Module M
What causes a U0346 error code?
The most common causes of U0346 include: Outdated software; Errors in module programming; Software version mismatch between modules; Data corruption in module memory.
How do I fix a U0346 diagnostic trouble code?
To fix U0346: Check that the software of all modules is up to date. Reflash problematic modules. Update software to the latest version. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0346?
Limited driving only, diagnose soon
How much does it cost to fix U0346?
The estimated repair cost for U0346 is ~$167. Actual cost depends on your vehicle, location, and labor rates.
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