What does code U355B mean?

Q: What does code U355B mean?

Charge Air Cooler Outlet Pressure Sensor 2 Circuit. U355B is a generic network communication code indicating that the powertrain control module has lost or received invalid data from the charge air cooler outlet pressure sensor 2 circuit. The computer detected a fault in the signal path or a missing message from that sensor, which is used to monitor turbocharged air pressure after the intercooler.

DTC codes / U35xx · Network communication / U355B

U355BCharge Air Cooler Outlet Pressure Sensor 2 Circuit

U355B is a generic network communication code indicating that the powertrain control module has lost or received invalid data from the charge air cooler outlet pressure sensor 2 circuit. The computer detected a fault in the signal path or a missing message from that sensor, which is used to monitor turbocharged air pressure after the intercooler.

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.