What does code U0261 mean?

Q: What does code U0261 mean?

Lost Communication With Seat Control Switch Module B. U0261 is a network communication code indicating that the module responsible for monitoring the seat control switch module B has lost the expected data signal from that switch over the vehicle's communication bus. The computer sets this code when it stops receiving messages from the seat control switch module B for a calibrated period, not when the switch itself fails electrically.

DTC codes / U02xx · Lost communication with a control module / U0261

U0261Lost Communication With Seat Control Switch Module B

U0261 is a network communication code indicating that the module responsible for monitoring the seat control switch module B has lost the expected data signal from that switch over the vehicle's communication bus. The computer sets this code when it stops receiving messages from the seat control switch module B for a calibrated period, not when the switch itself fails electrically.

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.