What does code U023D mean?

Q: What does code U023D mean?

Lost Communication With Front Distance Range Sensor - Left. U023D is a network communication code indicating that a control module has lost the controller area network (CAN) signal from the front distance range sensor on the left side of the vehicle. The computer detected that the sensor stopped reporting data over the communication bus, which can disable driver-assist features such as adaptive cruise control and forward collision warning.

DTC codes / U02xx · Lost communication with a control module / U023D

U023DLost Communication With Front Distance Range Sensor - Left

U023D is a network communication code indicating that a control module has lost the controller area network (CAN) signal from the front distance range sensor on the left side of the vehicle. The computer detected that the sensor stopped reporting data over the communication bus, which can disable driver-assist features such as adaptive cruise control and forward collision warning.

SystemNetwork

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaLost communication with a control module

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