U0249

Lost Communication With Entertainment Control Module - Rear B

Severity

✅ Low

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Rear entertainment system does not work
Error message on display
Problems with other systems associated with the module
The Check Engine light may come on

Causes

Open or short circuit in the communication circuit
Rear entertainment module malfunction
Wiring Harness Problems
Module software failure

How to Fix

Check fuses associated with the module
Check the integrity of the wiring harness
Diagnose the module for faults
Reflash or replace the module if necessary

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