What does code U0275 mean?

Q: What does code U0275 mean?

Lost Communication With Lighting Driver Control Module C. U0275 means the vehicle's main communication network has lost contact with the lighting driver control module C, which is the electronic unit responsible for operating a specific group of exterior lights. The computer that set the code has detected that messages from this module have stopped arriving over the data bus for a set period, so it flags the module as offline.

DTC codes / U02xx · Lost communication with a control module / U0275

U0275Lost Communication With Lighting Driver Control Module C

U0275 means the vehicle's main communication network has lost contact with the lighting driver control module C, which is the electronic unit responsible for operating a specific group of exterior lights. The computer that set the code has detected that messages from this module have stopped arriving over the data bus for a set period, so it flags the module as offline.

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.