P26DC

Engine Sound Control A Circuit Low

Severity

✅ Low

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–67 (est.)

Symptoms

No change in engine sound when switching modes
Error message on the dashboard
Incorrect operation of the active muffler
Constant same engine sound

Causes

Open or short circuit in control circuit
Poor contact in system connectors
Sound control solenoid valve malfunction
Problems with the control module
Contact corrosion

How to Fix

Check the integrity of wires and connections
Inspect connectors for oxidation or damage
Check the resistance of the solenoid valve
Test the control module
Replace damaged components if necessary

Related codes

P26DD P26DE P26DF