OBD-II code · Network
U0501 Invalid Data Received From Door Control Module B
A receiving module detected implausible data from door control module B. Door status, lock state, window or mirror values fail plausibility checks and are rejected.
Is it safe to drive with U0501?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
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
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–3 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Door Control Module B
Related codes
- U049AInvalid Data Received From Door Control Module A
- U0502Invalid Data Received From Door Control Module C
- U0503Invalid Data Received From Door Control Module D
- U0504Invalid Data Received From Door Control Module E
- U0505Invalid Data Received From Door Control Module F
- U0506Invalid Data Received From Door Control Module G
- U050CInvalid Data Received From Door Control Module H
- U04BFInvalid Data Received From Drive Motor A Clutch Actuator
- U04C0Invalid Data Received From Battery Management Control Module
- U0500Invalid Data Received from Communication Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.