U356C

Anode Header Drain Valve Control Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Unstable engine operation
Increased fuel consumption

Causes

Malfunction of the anode manifold drain valve
Open or short circuit in control circuit
Wiring Harness Problems
Engine control unit malfunction

How to Fix

Check the integrity of the control circuit
Check the condition of the anode collector drain valve
Check connections and wiring harness
Replace faulty valve if necessary
Repair only from an authorized dealer

Related codes

U356B U356D U356E