METER / GAUGE SYSTEM, Diagnostic DTC:U0100

DTC Code DTC Name
U0100 Lost Communication with ECM / PCM "A"

DESCRIPTION

The combination meter communicates with the ECM via the CAN line.

DTC Code DTC Detection Condition Trouble Area
U0100 When the vehicle speed is 5 km/h (3 mph) or more and IG voltage is 10.5 V or higher while no communication with the ECM continues for 3 seconds or more, or when there is no communication with the ECM and skid control ECU for 60 seconds or more. CAN communication system

WIRING DIAGRAM

A003E5FE02

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK FOR DTC


    1. Check for DTCs and note any codes that are output Click here.

    2. Clear the DTCs Click here.

    3. Recheck for DTCs Click here.

      Result
      Result Proceed to
      CAN communication system DTC is not output A
      CAN communication system DTC is output B

      Tech Tips

      If CAN communication system DTC U0100 and another DTC are output at the same time, perform troubleshooting for CAN communication system DTC U0100 first.


    B

    Go to CAN COMMUNICATION SYSTEM Click here

    A

    USE SIMULATION METHOD TO CHECK Click here