U3557

Hydrogen Tank C Valve Enable Circuit

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Problems starting the engine
Increased fuel consumption
Limitation of emergency operation

Causes

Open or short circuit in valve circuit
Solenoid valve malfunction
Problems with the control unit
Oxidation of contacts in connectors
Wiring harness damage

How to Fix

Check valve circuit integrity
Check valve resistance
Inspect connectors and contacts
Check the operation of the control unit
Repair only from an authorized dealer

Related codes

U3556 U3558 U3560