What does code U0279 mean?

Q: What does code U0279 mean?

Lost Communication With Haptic Control Module. U0279 is a generic network communication code indicating that the vehicle's main control modules have lost contact with the haptic control module, which is responsible for providing tactile feedback through the steering wheel, seat, or pedals. The computer detects this when it sends a periodic status request over the controller area network (CAN) bus and receives no response from the haptic module within the expected time frame.

DTC codes / U02xx · Lost communication with a control module / U0279

U0279Lost Communication With Haptic Control Module

U0279 is a generic network communication code indicating that the vehicle's main control modules have lost contact with the haptic control module, which is responsible for providing tactile feedback through the steering wheel, seat, or pedals. The computer detects this when it sends a periodic status request over the controller area network (CAN) bus and receives no response from the haptic module within the expected time frame.

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.