Network
generic / SAE
U054B
Invalid Data Received From Interior Lighting Control Module A
A receiving module detected implausible data from interior lighting control module A. Ambient lighting zone, reading lamp or door courtesy light commands fail plausibility checks and are rejected.
SystemNetwork
Typegeneric / SAE
GroupU0
Range / number5 / 4B
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: 50–500 €
- Estimated time: 0.5–2 h
- Component: interior lighting module a
- drive cycle required
Sources
References
sae:J2012