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METER / GAUGE SYSTEM, Diagnostic DTC:U0129

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DTC Code DTC Name
U0129 Lost Communication with Brake System Control Module
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DESCRIPTION

The combination meter communicates with the skid control ECU via the CAN line.

DTC Code DTC Detection Condition Trouble Area
U0129 When 15 seconds have elapsed after the engine is started and IG voltage is 10.5 V or higher while no communication with the skid control ECU 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
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WIRING DIAGRAM

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INSPECTION PROCEDURE

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PROCEDURE


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    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).

      Table 1. Result
      Result Proceed to
      CAN communication system DTC is not output A
      CAN communication system DTC is output B
      Tip:

      If CAN communication system DTC U0129 and another DTC are output at the same time, perform troubleshooting for CAN communication system DTC U0129 first.


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    USE SIMULATION METHOD TO CHECKClick here

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    Go to CAN COMMUNICATION SYSTEMClick here