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DTC 1028: TCM Not Identified Or Incorrect: Notes

Fig 1: Controller Antilock Brake CAN C BUS Circuit Schematic
GC0033806Courtesy of CHRYSLER LLC
  1. When Monitored: Continuous.
  2. Set Condition: If the Controller Antilock Brake (CAB) cannot recognize the Transmission Control Module (TCM) message, the DTC is set.
Possible Causes 
CONTROLLER ANTILOCK BRAKE (CAB)

For a complete Antilock Brake System (ABS) circuit diagram, see SCHEMATICS AND DIAGRAMS .