U0194
Lost Communication With Digital Audio Control Module B
U0194 is an OBD-II diagnostic trouble code meaning: Lost Communication With Digital Audio Control Module B. Common causes: open or short circuit in the audio module circuit, digital audio module b fault. Estimated repair cost: $56–222.
Symptoms
- The audio system or part of it does not work
- No sound from certain speakers
- Malfunctions of the multimedia system
- Error message on display
- Problems with Bluetooth or other audio features
Causes
- Open or short circuit in the audio module circuit
- Digital Audio Module B fault
- Problems with the CAN bus
- Poor contact in module connectors
- Software failure in the module
How to Fix
- Check fuses related to the audio system
- Inspect the wiring harness and audio module connectors
- Carry out CAN bus diagnostics
- Flash or replace digital audio module B
- Check the power supply and ground of the module
Related codes
Error U0194 by Vehicle Brand
FAQ
What does the U0194 code mean?
U0194 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Digital Audio Control Module B
What causes a U0194 error code?
The most common causes of U0194 include: Open or short circuit in the audio module circuit; Digital Audio Module B fault; Problems with the CAN bus; Poor contact in module connectors.
How do I fix a U0194 diagnostic trouble code?
To fix U0194: Check fuses related to the audio system. Inspect the wiring harness and audio module connectors. Carry out CAN bus diagnostics. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0194?
Yes, but get it checked soon
How much does it cost to fix U0194?
The estimated repair cost for U0194 is $56–222. Actual cost depends on your vehicle, location, and labor rates.
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