What does code U068B mean?

DTC codes / U06xx · Network communication / U068B

U068BLost Communication With Turbocharger/Supercharger Inlet Pressure Sensor A

U068B is a network communication fault indicating that one or more control modules have lost the CAN (Controller Area Network) signal from the turbocharger or supercharger inlet pressure sensor A. The computer has detected that expected messages from this sensor are missing or intermittent on the data bus, not necessarily that the sensor itself has failed electrically.

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.