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Home >> Ford >> 2021 >> Explorer Limited Hybrid, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (Automatic Transmission External Controls - 10-Speed Automatic Transmission - 10R60) >> Diagnosis And Testing >> External Controls >> Pinpoint Tests >> Pinpoint Test K : DTC P07EC, P07ED

Pinpoint Test K : DTC P07EC, P07ED

WARNING: This page is about a different variant/trim than selected.
  1. Refer to Transmission Controls for schematic and connector information.

    Normal Operation and Fault Conditions 

    The GSM contains 3 contacts beneath the center button. If one contact is not recognized by the GSM then DTC sets.

    DTC Fault Trigger Conditions 

    DTC Description Fault Trigger Condition
    GSM P07EC:00 Transmission Range Multi-Function Select Circuit: No Sub Type Information This DTC sets in continuous memory if one of the 3 internal contacts for the M button function is faulty. A message is displayed on the message center warning that a given range is unavailable.
    GSM P07ED:00 Transmission Range Multi-Function Select Circuit Stuck: No Sub Type Information A DTC P07ED can be set in "History", if the Center Button is held down for 60 seconds or more. If DTC P07ED is set in continuous' memory continue with the diagnostics. The GSM contains 3 contacts beneath the center button. If two or more contacts report 'closed' for 60 seconds or more, the GSM then sets DTC P07ED.

    Possible Sources 

    • Debris or foreign material on or near the rotary gear shift knob center button
    • Sticky rotary gear shift knob center button
    • Connectors damaged or pushed-out terminals, circuitry open, shorted to power or shorted to ground
    • GSM

  2. K1 INSPECT THE GSM (GEAR SHIFT MODULE) CENTER BUTTON

    • Inspect the GSM center button for debris or foreign material that could cause it to stick.

    • Press and release the center button. Make sure it moves freely.

    Is the center button free of debris and foreign material, and does it move freely? 

    Yes  GO to  K2
    No  CLEAN any debris or foreign material from the button. If the button still sticks after cleaning it, INSTALL a new GSM. REFER to: Gear Shift Module (GSM) .

  3. K2 CHECK GSM SWITCHES PID STATUS

    • Connect the diagnostic tool.

    • Ignition ON.

    • Using a diagnostic scan tool, monitor the following PIDs:

      • SBW_SLM_SW_1
      • SBW_SLM_SW_2
      • SBW_SLM_SW_3

    Do any of the switch PID readings indicate that any of the gear shift M button switches are pressed? 

    Yes  If the gear shift M button PID indicates one or more of the switch contacts are pressed, GO to  K3
    No  System is working properly at this time, if a symptom is present go to the symptom chart.

  4. K3 CHECK FOR CORRECT GSM (GEAR SHIFT MODULE) OPERATION

    • Ignition OFF.

    • Disconnect and inspect all GSM connectors.

    • Repair:

      • corrosion (install new connector or terminals - clean module pins)
      • damaged or bent pins - install new terminals/pins
      • pushed-out pins - install new pins as necessary

    • Reconnect the GSM connectors. Make sure they seat and latch correctly.

    • Operate the system and verify the concern is still present

    Is the concern still present? 

    Yes  CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new GSM. REFER to: Gear Shift Module (GSM) .
    No  The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
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