What does code U0288 mean?

Q: What does code U0288 mean?

Lost Communication With DC/AC Converter Control Module A. U0288 is a network communication code indicating that a control module on the vehicle's Controller Area Network (CAN) bus has lost contact with the DC/AC Converter Control Module A, which is the inverter that turns high-voltage direct current into alternating current for accessories or outlets. The computer sets this code when it expects regular status messages from that module and none arrive within a calibrated time window.

DTC codes / U02xx · Lost communication with a control module / U0288

U0288Lost Communication With DC/AC Converter Control Module A

U0288 is a network communication code indicating that a control module on the vehicle's Controller Area Network (CAN) bus has lost contact with the DC/AC Converter Control Module A, which is the inverter that turns high-voltage direct current into alternating current for accessories or outlets. The computer sets this code when it expects regular status messages from that module and none arrive within a calibrated time window.

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.