What does code U023A mean?

Q: What does code U023A mean?

Lost Communication With Image Processing Module A. U023A means the vehicle's network lost communication with the image processing module A, which is the camera or control unit that handles forward-facing camera data for driver-assist features. The computer that monitors the network, often the gateway or a body control module, detected that the module stopped responding to messages on the communication bus.

DTC codes / U02xx · Lost communication with a control module / U023A

U023ALost Communication With Image Processing Module A

U023A means the vehicle's network lost communication with the image processing module A, which is the camera or control unit that handles forward-facing camera data for driver-assist features. The computer that monitors the network, often the gateway or a body control module, detected that the module stopped responding to messages on the communication bus.

SystemNetwork

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyProfessional

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.