U02BF
Lost Communication With Interior Lighting Control Module B
U02BF is an OBD-II diagnostic trouble code meaning: Lost Communication With Interior Lighting Control Module B. Common causes: open or short circuit in the communication circuit, interior lighting module b malfunction. Estimated repair cost: $17–89.
Symptoms
- Interior lighting does not work
- Flashing or unstable lighting
- Error on the dashboard
- Some lighting elements do not work
- Problems with other systems using the CAN bus
Causes
- Open or short circuit in the communication circuit
- Interior lighting module B malfunction
- Module power problems
- Corrosion of contacts or connectors
- CAN bus fault
How to Fix
- Check the integrity of the wiring harness to the module
- Diagnose lighting module power supply
- Check CAN bus connections
- Test or replace the lighting module
- Reset the error and check for reappearance
Related codes
Error U02BF by Vehicle Brand
FAQ
What does the U02BF code mean?
U02BF is an OBD-II diagnostic trouble code that indicates: Lost Communication With Interior Lighting Control Module B
What causes a U02BF error code?
The most common causes of U02BF include: Open or short circuit in the communication circuit; Interior lighting module B malfunction; Module power problems; Corrosion of contacts or connectors.
How do I fix a U02BF diagnostic trouble code?
To fix U02BF: Check the integrity of the wiring harness to the module. Diagnose lighting module power supply. Check CAN bus connections. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U02BF?
Yes, but get it checked soon
How much does it cost to fix U02BF?
The estimated repair cost for U02BF is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat