CVT Automatic Transaxle

U0121-LOST COMMUNICATION WITH ANTILOCK BRAKE MODULE

For a complete wiring diagram Refer to Diagrams/Electrical. Electrical Diagrams


Theory of Operation


The Controller Area Network (CAN) is a high speed serial communication line for multiplex communication between multiple controllers that reside on the network. The Transmission Control Module monitors the transmit and receive message from the CAN BUS.


- When Monitored:

Ignition on in the run position with a system voltage between 9.0 and 16.0 volts.


IOD fuse is installed or vehicle odometer is over 80 kilometers (50 miles).


No CAN C Bus DTCs present.


Vehicle configuration is completed.

- Set Condition:

A loss of CAN Bus communication between the TCM and ABS for the period of 2.0 seconds.


For CAN Bus diagnostic procedures refer to Communications.