OBD-II code · Network
U04C0 Invalid Data Received From Battery Management Control Module
A receiving module detected implausible data from the battery management control module (BMS master). SoC, SoH, current or voltage values fail plausibility checks against other inputs and are rejected.
Is it safe to drive with U04C0?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyModule internal fault or sensor input drift
- PossibleSoftware version mismatch after replacement
- 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
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–5 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Bms
Related codes
- U04BDInvalid Data Received From Park Lock/Pawl Control Module
- U04BEInvalid Data Received From Battery Charger Control Module B
- U04BFInvalid Data Received From Drive Motor A Clutch Actuator
- U0500Invalid Data Received from Communication Module
- U0501Invalid Data Received From Door Control Module B
- U0502Invalid Data Received From Door Control Module C
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.