What does code U354C mean?

Q: What does code U354C mean?

Hydrogen Tank B Temperature Sensor 1 Circuit. This code indicates that the powertrain control module has detected an abnormal condition in the temperature sensor circuit for hydrogen tank B, specifically sensor 1. The computer monitors the sensor's signal voltage and flags the code when the reading falls outside the expected range or behaves erratically, pointing to a fault in the sensor, its wiring, or the control module's interpretation of the circuit.

DTC codes / U35xx · Network communication / U354C

U354CHydrogen Tank B Temperature Sensor 1 Circuit

This code indicates that the powertrain control module has detected an abnormal condition in the temperature sensor circuit for hydrogen tank B, specifically sensor 1. The computer monitors the sensor's signal voltage and flags the code when the reading falls outside the expected range or behaves erratically, pointing to a fault in the sensor, its wiring, or the control module's interpretation of the circuit.

SystemNetwork

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaNetwork communication

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.