U02BF

Lost Communication With Interior Lighting Control Module B

Severity

✅ Low

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

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

U02BE U02C0 U02BD