U356B

Anode Drain Valve

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine light comes on
Increased fuel consumption
Smell of gasoline in the cabin
Problems starting the engine

Causes

Anode drain valve malfunction
Open or short circuit in the circuit
Wiring harness damage
Control unit malfunction

How to Fix

Check valve circuit integrity
Check valve resistance
Replace faulty valve
Check the operation of the EVAP system
Reset the error and take a test drive

Related codes

U356A U356C U356D