U02A8

Lost Communication With Engine Sound Control 2

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Unusual engine sound
No sound changes in different modes
Check Engine light comes on
Possible problems with other systems using the same communication bus

Causes

Broken or damaged wires in the communication circuit
Engine Sound Control Module Malfunction
Connector problems or contact corrosion
ECU malfunction
Software errors

How to Fix

Check the integrity of the wiring harness and connectors
Check the power and ground of the sound control module
Scan the system for other communication errors
If necessary, replace the audio control module
Update ECU software

Related codes

U02A7 U02A9 U0001