U0249
Lost Communication With Entertainment Control Module - Rear B
U0249 is an OBD-II diagnostic trouble code meaning: Lost Communication With Entertainment Control Module - Rear B. Common causes: open or short circuit in the communication circuit, rear entertainment module malfunction. Estimated repair cost: $56–167.
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
Related codes
Error U0249 by Vehicle Brand
FAQ
What does the U0249 code mean?
U0249 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Entertainment Control Module - Rear B
What causes a U0249 error code?
The most common causes of U0249 include: Open or short circuit in the communication circuit; Rear entertainment module malfunction; Wiring Harness Problems; Module software failure.
How do I fix a U0249 diagnostic trouble code?
To fix U0249: Check fuses associated with the module. Check the integrity of the wiring harness. Diagnose the module for faults. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0249?
Yes, but get it checked soon
How much does it cost to fix U0249?
The estimated repair cost for U0249 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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