What does code U0222 mean?

Q: What does code U0222 mean?

Lost Communication With 'Door Window Motor A'. U0222 is a generic communication fault indicating that a control module on the vehicle's network has stopped receiving messages from the door window motor on the 'A' side, typically the driver's door. The module that sets the code has detected a loss of expected periodic data from that window motor over the Controller Area Network (CAN) bus or a dedicated serial link.

DTC codes / U02xx · Lost communication with a control module / U0222

U0222Lost Communication With 'Door Window Motor A'

U0222 is a generic communication fault indicating that a control module on the vehicle's network has stopped receiving messages from the door window motor on the 'A' side, typically the driver's door. The module that sets the code has detected a loss of expected periodic data from that window motor over the Controller Area Network (CAN) bus or a dedicated serial link.

SystemNetwork

Code typeGeneric (all makes)

SeverityLow

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.