U0494

Invalid Data Received From Digital Audio Control Module A

Severity

✅ Low

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–167 (est.)

Symptoms

Audio system doesn't work
No sound
Problems with the navigation system
Error message on display
Voice commands don't work

Causes

Problems with the CAN bus
Audio controller malfunction
Broken or shorted wiring
Problems with power supply to the audio module
Software glitch

How to Fix

Check the connections of the audio module connectors
Check the audio controller supply voltage
Scan other modules for communication errors
Flash or reboot the audio module
Replace a faulty audio controller

Related codes

U0495 U0493 U0514