U354C
Hydrogen Tank B Temperature Sensor 1 Circuit
U354C is an OBD-II diagnostic trouble code meaning: Hydrogen Tank B Temperature Sensor 1 Circuit. Common causes: open or short circuit in the sensor circuit, hydrogen tank 1 temperature sensor malfunction. Estimated repair cost: $56–167.
Symptoms
- Check engine light comes on
- Reduced engine power
- Unstable engine operation
- Problems with hydrogen refueling
Causes
- Open or short circuit in the sensor circuit
- Hydrogen tank 1 temperature sensor malfunction
- Bad contacts in connectors
- Wiring harness damage
How to Fix
- Check the integrity of the sensor circuit
- Check sensor resistance and voltage
- Inspect connectors and contacts
- If necessary, replace the temperature sensor
- Repair only from an authorized dealer
Related codes
Error U354C by Vehicle Brand
FAQ
What does the U354C code mean?
U354C is an OBD-II diagnostic trouble code that indicates: Hydrogen Tank B Temperature Sensor 1 Circuit
What causes a U354C error code?
The most common causes of U354C include: Open or short circuit in the sensor circuit; Hydrogen tank 1 temperature sensor malfunction; Bad contacts in connectors; Wiring harness damage.
How do I fix a U354C diagnostic trouble code?
To fix U354C: Check the integrity of the sensor circuit. Check sensor resistance and voltage. Inspect connectors and contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U354C?
Yes, but get it checked soon
How much does it cost to fix U354C?
The estimated repair cost for U354C is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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