U054B

Invalid Data Received From Interior Lighting Control Module A

Severity

✅ Low

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–167 (est.)

Symptoms

Incorrect operation of interior lighting
Interior lighting turns on/off randomly
Lack of response to lighting control commands
Flashing lamps
Errors in the operation of other systems related to the CAN bus

Causes

Malfunction of the interior lighting control module
Problems with wiring or connectors
Short circuit in lighting circuit
Problems with the CAN bus
Software error in the control unit

How to Fix

CAN bus diagnostics using a scanner
Checking the power and ground of the lighting module
Inspect module connectors and wiring
Replacing the interior lighting control module if necessary
Reflashing the control unit (if required)

Related codes

U054A U054C U054D