OBD-II code · Network
U04BD Invalid Data Received From Park Lock/Pawl Control Module
A receiving module detected implausible data from the park lock/pawl control module (electric park-pawl actuator on shift-by-wire transmissions). Engaged/released state values fail plausibility checks and are rejected.
Is it safe to drive with U04BD?
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
- Park Lock Module
Related codes
- U04BAInvalid Data Received From Switch Input Module A
- U04BBInvalid Data Received From Switch Input Module B
- U04BCInvalid Data Received From Switch Input Module C
- U04BEInvalid Data Received From Battery Charger Control Module B
- U04BFInvalid Data Received From Drive Motor A Clutch Actuator
- U04C0Invalid Data Received From Battery Management Control Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.