U3552

Hydrogen Tank A Valve Performance

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$167–556 (est.)

Symptoms

Reduced engine power
Check Engine Light Illuminates
Unusual sounds from the hydrogen tank area
Noticeable hydrogen odor (in rare cases)
Limitation of fuel system operation

Causes

Valve mechanism jammed
Open or short circuit in control circuit
Damage to the wiring to the valve
Control unit malfunction
Valve contact corrosion

How to Fix

Check the integrity of the wiring to the valve
Test valve coil resistance
Check valve operation with a scanner
Replace faulty valve if necessary
Repair only from an authorized dealer

Related codes

U3550 U3551 U3553