OBD-II code · Network
U0556 Invalid Data Received From Front Display Interface Module
A receiving module detected implausible data from the front display interface module. Center-stack screen status, climate readout or infotainment menu state values fail plausibility checks and are rejected.
Is it safe to drive with U0556?
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
- Front Display Interface Module
Related codes
- U0553Invalid Data Received From Lighting Control Module — Rear B
- U0554Invalid Data Received From Accessory Protocol Interface Module
- U0555Invalid Data Received From Remote Start Module
- U0557Invalid Data Received From Front Controls Interface Module A
- U0558Invalid Data Received From Front Controls/Display Interface Module
- U0559Invalid Data Received From Radio Transceiver
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.