U354F

Hydrogen Tank C Temperature Sensor 2 Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
System transition to emergency mode
Incorrect hydrogen temperature readings
Problems with hydrogen refueling

Causes

Hydrogen tank 2 temperature sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in sensor connectors
Wiring harness damage
Problems with the engine control unit

How to Fix

Check the integrity of the sensor circuit
Inspect connectors and contacts for corrosion
Test sensor resistance
Replace the faulty sensor if necessary
Repair only from an authorized dealer

Related codes

U354E U3550 U3551