OBD-II code · Network
U0337 Software Incompatibility With Battery Charger Control Module A
A module reports a software version mismatch with battery charger control module A — typically after replacing one of the modules without programming the new unit to match the rest of the network.
Is it safe to drive with U0337?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyModule replaced without programming
- PossibleWrong part number for the vehicle
- Less likelyGateway module routing CAN messages incorrectly
Symptoms
- Multiple warning lights may illuminate
- Affected modules may go into limp mode or shut down
- Specific functions inoperative depending on module
- Diagnostic tools may show communication faults
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–2 h
- Emissions test
- Usually unaffected
- Parts involved
- Battery Charger Module A
Related codes
- U0334Software Incompatibility With Radio
- U0335Software Incompatibility With Hybrid/EV Battery Pack Sensor Module
- U0336Software Incompatibility With Restraints Control Module
- U0338Software Incompatibility With Remote Function Actuation Module
- U0339Software Incompatibility With Body Control Module B
- U033ASoftware Incompatibility With Hybrid/EV Battery Interface Control Module A
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.