U3557
Hydrogen Tank C Valve Enable Circuit
U3557 is an OBD-II diagnostic trouble code meaning: Hydrogen Tank C Valve Enable Circuit. Common causes: open or short circuit in valve circuit, solenoid valve malfunction. Estimated repair cost: $56–167.
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
Error U3557 by Vehicle Brand
FAQ
What does the U3557 code mean?
U3557 is an OBD-II diagnostic trouble code that indicates: Hydrogen Tank C Valve Enable Circuit
What causes a U3557 error code?
The most common causes of U3557 include: Open or short circuit in valve circuit; Solenoid valve malfunction; Problems with the control unit; Oxidation of contacts in connectors.
How do I fix a U3557 diagnostic trouble code?
To fix U3557: Check valve circuit integrity. Check valve resistance. Inspect connectors and contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U3557?
Do not drive — repair immediately
How much does it cost to fix U3557?
The estimated repair cost for U3557 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat