OBD-II code · Network
U0500 Invalid Data Received from Communication Module
A control module receives data from the telematics/communication module that is implausible, has the wrong format or fails checksum. Connected services and emergency-call functions may stop working.
Is it safe to drive with U0500?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyCommunication module firmware out of date
- PossibleCommunication module internal fault
- 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
- 0.5–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Communication Module, Can Bus Wiring
Related codes
- 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
- U0501Invalid Data Received From Door Control Module B
- U0502Invalid Data Received From Door Control Module C
- U0503Invalid Data Received From Door Control Module D
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.