Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 1925

U0002-CAN C BUS OFF PERFORMANCE - ESM

For a complete wiring diagram Refer to Section 8W

21 - 234

AUTOMATIC TRANSMISSION NAG1 - SHIFTER DIAGNOSTICS

LX

Theory of Operation

Some controllers communicate with other controllers over the CAN C BUS. The Electronic Shift Module (ESM) con-
tinuously monitors BUS activity and reads the messages it needs. The CAN C BUS is also used to communicate
the MIL status to the Engine Controller.

For CAN BUS diagnostic procedures (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNO-
SIS AND TESTING).

LX

AUTOMATIC TRANSMISSION NAG1 - SHIFTER DIAGNOSTICS

21 - 235

U0100-LOST COMMUNICATION WITH ECM/PCM - ESM

For a complete wiring diagram Refer to Section 8W

21 - 236

AUTOMATIC TRANSMISSION NAG1 - SHIFTER DIAGNOSTICS

LX

Theory of Operation

Some controllers communicate with other controllers over the CAN C BUS. The Electronic Shift Module (ESM) con-
tinuously monitors BUS activity and reads the messages it needs. The CAN C BUS is also used to communicate
the MIL status to the Engine Controller.

For CAN BUS diagnostic procedures (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNO-
SIS AND TESTING).

LX

AUTOMATIC TRANSMISSION NAG1 - SHIFTER DIAGNOSTICS

21 - 237