Electronic Shift Module
DESCRIPTION
The Electronic Shift Module (ESM) (1) is part of the rotary shifter assembly.
The rotary shifter offers P ark, R everse, N eutral and D rive modes of operation.
OPERATION
The ESM communicates with Electronic Control Units (ECUs) on the Controller Area Network - Flexible Data 3 (CAN-FD3) bus.
The ESM is connected to the vehicle wire harness with a single 10-terminal connector located on the bottom of the shifter.
The ESM can set Diagnostic Trouble Codes (DTCs) when a fault is detected.