PARKING ASSIST MONITOR SYSTEM(w/ Parallel Parking Assist Function), Diagnostic DTC:U0100, U0126, U0129, U0140

DTC Code DTC Name
U0100 Engine ECU Communication
U0126 Steering Sensor Communication
U0129 VSC(ECB)ECU Communication
U0140 Lost Communication with Body Control Module

DESCRIPTION

These DTCs are stored if there is a malfunction in the CAN communication system connected to the radio receiver assembly.

Tech Tips

If CAN communication system DTCs are stored, they may also be stored in other systems.

DTC No. Detection Item DTC Detection Condition Trouble Area
U0100 Engine ECU Communication Lost communication with hybrid vehicle control ECU assembly CAN communication system
U0126 Steering Sensor Communication Lost communication with spiral cable with sensor sub-assembly CAN communication system
U0129 VSC(ECB)ECU Communication Lost communication with skid control ECU assembly CAN communication system
U0140 Lost Communication with Body Control Module Lost communication with main body ECU (multiplex network body ECU) CAN communication system

PROCEDURE


  1. CHECK DTC OUTPUT


    1. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    2. Recheck for DTCs and check that no DTCs are output.

      Click here


      Body Electrical > Navigation System > Trouble Codes

      Tech Tips


      • If CAN communication system DTCs are stored, they may also be stored in other systems.

      • If the CAN communication system has been inspected and repaired in other systems, the DTCs will not be output when rechecking for DTCs.

      • If these DTCs are output frequently, duplicate the conditions that cause the problem symptoms and perform the inspection again, even though the DTC was not output when rechecking for DTCs.

        Click here

      Result
      Result Proceed to
      DTCs are output A
      No DTCs are output B

    A

    GO TO CAN COMMUNICATION SYSTEM Click here

    B

    USE SIMULATION METHOD TO CHECK Click here