U054B
Invalid Data Received From Interior Lighting Control Module A
U054B is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Interior Lighting Control Module A. Common causes: malfunction of the interior lighting control module, problems with wiring or connectors. Estimated repair cost: $33–167.
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
Error U054B by Vehicle Brand
FAQ
What does the U054B code mean?
U054B is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Interior Lighting Control Module A
What causes a U054B error code?
The most common causes of U054B include: Malfunction of the interior lighting control module; Problems with wiring or connectors; Short circuit in lighting circuit; Problems with the CAN bus.
How do I fix a U054B diagnostic trouble code?
To fix U054B: CAN bus diagnostics using a scanner. Checking the power and ground of the lighting module. Inspect module connectors and wiring. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U054B?
Yes, but get it checked soon
How much does it cost to fix U054B?
The estimated repair cost for U054B is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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