U0349

Software Incompatibility With Hybrid/EV Battery Interface Control Module P

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

~$167 (est.)

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

U0350 U0348 U0401