AUTOMATIC TRANSAXLE SYSTEM, Diagnostic DTC:U010087

DTC Code DTC Name
U010087 Lost Communication with ECM/PCM "A" Missing Message

DESCRIPTION

The engine control unit and the transmission control unit are located inside the ECM. The engine control unit intercommunicates with the transmission control unit with the Controller Area Network (CAN).

If there is a problem in this intercommunication, the ECM stores a DTC.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note
U010087 Lost Communication with ECM/PCM "A" Missing Message

All conditions are met for 1.25 sec. or more (1-trip detection logic):


  • Engine switch on (IG)

  • Battery voltage is 9.5 V or higher

  • No intercommunication between engine control unit and transmission control unit

 ECM Comes on DTC stored SAE: U0100

CAUTION / NOTICE / HINT

Note

Perform registration and/or initialization when parts related to the automatic transaxle are replaced.

Click here

PROCEDURE


  1. CHECK OTHER DTC OUTPUT (IN ADDITION TO DTC U010087)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Powertrain / Transmission / Trouble Codes.


      Powertrain > Transmission > Trouble Codes

    5. Read the DTCs using the GTS.

      Result
      Result Proceed to
      Only U010087 is output A
      U010087 and other DTCs are output B

    A

    REPLACE ECM Click here

    B

    GO TO DTC CHART Click here