U356A

Anode Drain Valve Control Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine Light Is On
Increased fuel consumption
Problems starting the engine
Smell of gasoline in the cabin
Unstable engine idling

Causes

Open or short circuit in control circuit
Anode drain valve malfunction
Wiring Harness Problems
Contact corrosion
Engine control unit malfunction

How to Fix

Check the integrity of the control circuit
Test valve resistance
Inspect the wiring harness for damage
Clean contacts from corrosion
Replace faulty valve if necessary

Related codes

U356B U3569 U3568