OBD-II code · Network
U0437 Invalid Data Received From Differential Control Module — Rear
A receiving module detected implausible data from the rear differential control module (electronic LSD or torque vectoring). Clutch/torque command vs. actual values fail plausibility checks and are rejected.
Is it safe to drive with U0437?
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
- Rear Differential Module
Related codes
- U0434Invalid Data Received From Active Roll Control Module
- U0435Invalid Data Received From Power Steering Control Module — Rear
- U0436Invalid Data Received From Differential Control Module — Front
- U0438Invalid Data Received from Park Brake Control Module
- U0439Invalid Data Received From All Terrain Control Module
- U043AInvalid Data Received From Suspension Control Module B
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.