U356D

Symptoms

• Unstable engine operation
• Power Loss
• Increased fuel consumption
• Check engine light comes on

Causes

• Malfunction of the anode manifold drain valve
• Open or short circuit in control circuit
• Problems with the engine control unit
• Contamination or mechanical damage to the valve

How to Fix

1. Check valve control circuit integrity
2. Check valve resistance
3. Clean or replace valve if necessary
4. Check the operation of the engine control unit

Error U356D by Vehicle Brand