OBD-II code · Network

U05C0 Invalid Data Received From Interior Lighting Control Module B

A receiving module detected implausible data from interior lighting control module B. Ambient lighting zone, reading lamp or door courtesy light commands fail plausibility checks and are rejected.

Is it safe to drive with U05C0?

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
Easy
DIY friendly
Often, with basic tools
Typical labour
0.5–2 h
Emissions test
Usually unaffected
After the fix
A drive cycle is needed before the light stays off
Parts involved
Interior Lighting Module B

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.