Network
generic / SAE
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.
SystemNetwork
Typegeneric / SAE
GroupU0
Range / number4 / 81
Possible causes
- Module internal fault or sensor input drift high
- Software version mismatch after replacement medium
- Gateway module routing CAN messages incorrectly low
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
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 60–400 €
- Estimated time: 0.5–1.5 h
- Component: automatic lighting module
- drive cycle required
Sources
References
sae:J2012