U0194

Lost Communication With Digital Audio Control Module B

Severity

✅ Low

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–222 (est.)

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

U0193 U0195 U0196