U0342
Software Incompatibility With Hybrid/EV Battery Interface Control Module I
U0342 is an OBD-II diagnostic trouble code meaning: Software Incompatibility With Hybrid/EV Battery Interface Control Module I. Common causes: outdated ecu software, errors in the firmware of the battery management module. Estimated repair cost: $56–278.
Symptoms
- Check Engine light comes on
- Hybrid system power reduction
- Limiting the operation of the electric motor
- Errors in the operation of the energy recovery system
- Battery charging problems
Causes
- Outdated ECU software
- Errors in the firmware of the battery management module
- Data corruption in module memory
- Incompatibility after software update
- Problems with communication between modules
How to Fix
- Diagnostics using a scanner for hybrid systems
- Checking the relevance of the software of all modules
- Flashing the battery management module
- Main ECU software update
- Replace the battery management module if necessary
Related codes
Error U0342 by Vehicle Brand
FAQ
What does the U0342 code mean?
U0342 is an OBD-II diagnostic trouble code that indicates: Software Incompatibility With Hybrid/EV Battery Interface Control Module I
What causes a U0342 error code?
The most common causes of U0342 include: Outdated ECU software; Errors in the firmware of the battery management module; Data corruption in module memory; Incompatibility after software update.
How do I fix a U0342 diagnostic trouble code?
To fix U0342: Diagnostics using a scanner for hybrid systems. Checking the relevance of the software of all modules. Flashing the battery management module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0342?
Limited driving only, diagnose soon
How much does it cost to fix U0342?
The estimated repair cost for U0342 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat