ELECTRONIC SHIFT LEVER SYSTEM, Diagnostic DTC:P085D94

DTC Code DTC Name
P085D94 Gear Shift Control Module "A" Unexpected Operation

DESCRIPTION

The shift control ECU monitors its internal operation. When it detects an internal malfunction, the DTC is stored in the ECM.

The cause of this malfunction may be one of the following:



DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P085D94 Gear Shift Control Module "A" Unexpected Operation

ECU internal malfunction (system monitoring malfunction) continuously occurs for 10 seconds or more

(1 trip detection logic)

 Shift control ECU Comes on

  • Master Warning Light


    • Comes on

  • Multi-information Display Error Message


    • Displayed

CONFIRMATION DRIVING PATTERN

Tech Tips

After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the All Readiness check procedure.

Click here


  1. Start the engine.

  2. With the brake pedal depressed, move the shift lever as follows to select each shift state: R → D.

  3. Drive the vehicle at 40 km/h (25 mph) or more for 10 seconds or more.

  4. Stop the vehicle, with the brake pedal depressed and move the shift lever as follows to select each shift state: M → N.

  5. Push the P position switch (shift position indicator) to select park (P).

CAUTION / NOTICE / HINT

Note

The vehicle is equipped with a sub-battery. Therefore, ensure there is no power being supplied to the vehicle when disconnecting or reconnecting the connector of the shift control ECU and when removing or installing the shift control ECU.

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PROCEDURE


  1. CHECK DTC OUTPUT (TRANSMISSION)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

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


      Powertrain > Transmission > Trouble Codes

    4. Check for DTCs.

      Result
      Result Proceed to
      None of the DTCs in the table below are output. A
      Any of the DTCs in the table below are output. B
      Priority Relevant DTC
      1 U110700 Lost Communication with Power Management Module (Gear Shift Control Module "A")
      2 P072031 Output Speed Sensor No Signal
      P072014 Output Speed Sensor Circuit Short to Ground or Open
      P072012 Output Speed Sensor Circuit Short to Battery
      3 C1464 Front Speed Sensor RH Circuit
      C1465 Front Speed Sensor LH Circuit
      C1466 Rear Speed Sensor RH Circuit
      C1467 Rear Speed Sensor LH Circuit

      Tech Tips

      The chart above is listed in inspection order of priority.

    5. Turn the engine switch off.


    B

    GO TO DTC CHART for Electronic shift lever system: Click here for Automatic transmission system: Click here for Electronically controlled brake system: Click here

    A

  2. CHECK FREEZE FRAME DATA


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

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


      Powertrain > Transmission > Trouble Codes

    4. Read the freeze frame data of DTC P085D94.


      Powertrain > Transmission
      Tester Display
      Vehicle Speed
      Speed (SP2)
      Result
      Result Proceed to
      Vehicle was stopped ("Vehicle Speed" was between 0 and 1.4 km/h (0 and 1 mph)) but "Speed (SP2)" was 3 km/h (2 mph) or more A
      Vehicle was stopped ("Vehicle Speed" was between 0 and 1.4 km/h (0 and 1 mph)) and "Speed (SP2)" was less than 3 km/h (2 mph) B

    5. Turn the engine switch off.


    B

    REPLACE SHIFT CONTROL ECU Click here

    A

  3. CHECK SPEED SENSOR


    Result
    Proceed to
    OK
    NG

    OK

    REPLACE SHIFT CONTROL ECU Click here

    NG

    REPAIR OR REPLACE MALFUNCTIONING PARTS