What does code U0117 mean?

Q: What does code U0117 mean?

Lost Communication with Drive Motor Control Module 2. U0117 is a generic network communication code indicating that one or more control modules on the vehicle's controller area network (CAN) bus have stopped receiving messages from the drive motor control module 2, which is the second inverter or motor controller on electric and hybrid vehicles. The detecting module sets this code after a specified number of consecutive missing or corrupted CAN frames from that module, which usually points to a wiring fault, a power or ground problem at the module, or an internal failure of the module itself.

DTC codes / U01xx · Lost communication with a control module / U0117

U0117Lost Communication with Drive Motor Control Module 2

U0117 is a generic network communication code indicating that one or more control modules on the vehicle's controller area network (CAN) bus have stopped receiving messages from the drive motor control module 2, which is the second inverter or motor controller on electric and hybrid vehicles. The detecting module sets this code after a specified number of consecutive missing or corrupted CAN frames from that module, which usually points to a wiring fault, a power or ground problem at the module, or an internal failure of the module itself.

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.