What does code U066F mean?

Q: What does code U066F mean?

Lost Communication With Low Pressure Fuel System Sensor. U066F is a network communication fault indicating that one or more control modules have stopped receiving valid data from the low pressure fuel system sensor over the vehicle's serial data bus. The computer has detected that the expected periodic message from that sensor has timed out or is missing, not that the fuel pressure itself is necessarily out of range.

DTC codes / U06xx · Network communication / U066F

U066FLost Communication With Low Pressure Fuel System Sensor

U066F is a network communication fault indicating that one or more control modules have stopped receiving valid data from the low pressure fuel system sensor over the vehicle's serial data bus. The computer has detected that the expected periodic message from that sensor has timed out or is missing, not that the fuel pressure itself is necessarily out of range.

SystemNetwork

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaNetwork communication

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.