U3558
Hydrogen Tank C Valve
U3558 is an OBD-II diagnostic trouble code meaning: Hydrogen Tank C Valve. Common causes: solenoid valve malfunction, problems with wiring to the valve. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Unusual sounds from the hydrogen tank area
- Smell of hydrogen (in rare cases)
Causes
- Solenoid valve malfunction
- Problems with wiring to the valve
- Mechanical valve jamming
- Contact corrosion
- Problems with the control unit
How to Fix
- Check valve power supply circuit
- Test valve resistance
- Check the mechanical operation of the valve
- Clean or replace valve if necessary
- Repair only from an authorized dealer
Related codes
Error U3558 by Vehicle Brand
FAQ
What does the U3558 code mean?
U3558 is an OBD-II diagnostic trouble code that indicates: Hydrogen Tank C Valve
What causes a U3558 error code?
The most common causes of U3558 include: Solenoid valve malfunction; Problems with wiring to the valve; Mechanical valve jamming; Contact corrosion.
How do I fix a U3558 diagnostic trouble code?
To fix U3558: Check valve power supply circuit. Test valve resistance. Check the mechanical operation of the valve. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U3558?
Do not drive — repair immediately
How much does it cost to fix U3558?
The estimated repair cost for U3558 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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