ELECTRIC PARKING BRAKE SYSTEM, Diagnostic DTC:U0100, U1103

DTC Code DTC Name
U0100 Lost Communication With ECM/PCM "A"
U1103 Lost Communication with Stop and Start Control Module

DESCRIPTION

The skid control ECU (brake actuator assembly) receives signals from the ECM and engine stop and start ECU (w/ Stop and Start System) via CAN communication.

DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note
U0100 Lost Communication With ECM/PCM "A" The +BS terminal voltage is between 9.6 and 16.5 V, the vehicle speed is 6 km/h (4 mph) or more, and signals cannot be sent to the ECM for 2 seconds or more.

  • CAN communication system

  • Skid control ECU (brake actuator assembly)

  • ECM

 DTC stored An electric parking brake system malfunction is displayed on the multi-information display.
U1103 Lost Communication with Stop and Start Control Module The +BS terminal voltage is between 9.6 and 16.5 V, the vehicle speed is 6 km/h (4 mph) or more, and signals cannot be sent to the engine stop and start ECU for 2 seconds or more.

  • CAN communication system

  • Skid control ECU (brake actuator assembly)

  • Engine stop and start ECU

 DTC stored An electric parking brake system malfunction is displayed on the multi-information display.

PROCEDURE


  1. GO TO CAN COMMUNICATION SYSTEM


    1. Go to CAN communication system.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

    END