OBD-II code · Network
U0481 Invalid Data Received From Automatic Lighting Control Module
A receiving module detected implausible data from the automatic lighting (ambient light/rain sensor) control module. Lux or wiper-trigger values fail plausibility checks and are rejected.
Is it safe to drive with U0481?
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
- 0.5–1.5 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Automatic Lighting Module
Related codes
- U047EInvalid Data Received From Restraints System Sensor N
- U047FInvalid Data Received From Seat Belt Pretensioner Module A
- U0480Invalid Data Received From Seat Belt Pretensioner Module B
- U0482Invalid Data Received From Headlamp Leveling Control Module A
- U0483Invalid Data Received From Lighting Control Module — Front
- U0484Invalid Data Received From Lighting Control Module — Rear A
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.