U354E
Hydrogen Tank C Temperature Sensor 1 Circuit
U354E is an OBD-II diagnostic trouble code meaning: Hydrogen Tank C Temperature Sensor 1 Circuit. Common causes: hydrogen tank temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Errors in the fuel system
- Inability to refuel with hydrogen
- Incorrect hydrogen temperature readings
Causes
- Hydrogen tank temperature sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in sensor connectors
- Wiring harness damage
- Malfunction of the fuel system control unit
How to Fix
- Check the continuity of the temperature sensor circuit
- Inspect the connectors and contacts of the sensor
- Check the resistance of the temperature sensor
- If necessary, replace the temperature sensor
- Check the operation of the fuel system control unit
- Repair only from an authorized dealer
Related codes
Error U354E by Vehicle Brand
FAQ
What does the U354E code mean?
U354E is an OBD-II diagnostic trouble code that indicates: Hydrogen Tank C Temperature Sensor 1 Circuit
What causes a U354E error code?
The most common causes of U354E include: Hydrogen tank temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Wiring harness damage.
How do I fix a U354E diagnostic trouble code?
To fix U354E: Check the continuity of the temperature sensor circuit. Inspect the connectors and contacts of the sensor. Check the resistance of the temperature sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U354E?
Limited driving only, diagnose soon
How much does it cost to fix U354E?
The estimated repair cost for U354E is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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