OBD-II code · Network
U0545 Invalid Data Received From Running Board Control Module A
A receiving module detected implausible data from running board control module A. Position or motor current values fail plausibility checks and are rejected.
Is it safe to drive with U0545?
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
- Running Board Module A
Related codes
- U0552Invalid Data Received From Running Board Control Module B
- U0542Invalid Data Received From Headlamp Control Module A
- U0543Invalid Data Received From Headlamp Control Module B
- U0544Invalid Data Received From Parking Assist Control Module B
- U0546Invalid Data Received From Entertainment Control Module — Front
- U0547Invalid Data Received From Seat Control Module E
- U0548Invalid Data Received From Seat Control Module F
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.