U0186

Lost Communication With Audio Amplifier A

Severity

✅ Low

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Audio system doesn't work
No sound while driving
Glitches or freezes of the multimedia system
Error indication on display
Resetting Audio Settings

Causes

Open or short circuit in the amplifier power supply circuit
Damage to the CAN bus wiring harness
Audio amplifier malfunction
Corrosion of connectors
ECU software failure

How to Fix

Check audio system fuses
Inspect connectors and wires for damage
Test the power supply to the audio amplifier
Carry out CAN bus diagnostics
Update the multimedia system firmware

Related codes

U0184 U0185 U0187