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Home >> Ford >> 2022 >> Transit Connect Titanium, Gas/Ethanol >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 8-Speed Automatic Transmission - 8F35/8F40 (2 Of 2) >> Diagnosis And Testing >> DTC Chart and Pinpoint Tests - 2.0L Duratec-HE (110kW/150PS) - MI4 >> Pinpoint Tests >> Pinpoint Test Ad: DTC P1783

Pinpoint Test Ad: DTC P1783

  1. Normal Operation and Fault Conditions 

    The PCM monitors transmission temperature and if it exceeds normal operating temperatures it sets a DTC. It may even limit powertrain torque to prevent damage to the transmission.

    DTC Fault Trigger Conditions 

    DTC Description Fault Trigger Condition
    PCM P1783:00 Transmission Overtemperature Condition: No Sub Type Information Sets in continuous memory and during the on-demand self-test when the PCM detects an transmission overheating concern and may limit torque to prevent critical transmission overheating. The DTC P0218 may set in conjunction with DTC P1783.

    Possible Sources 

    • Transmission overheating concern

  2. AD1 RECHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS)

    • Ignition ON.

    • Using a diagnostic scan tool, clear the diagnostic trouble codes (DTCs) for the PCM.

    • Road test the vehicle.

    • Using a diagnostic scan tool, carry out the PCM self-test.

    Is diagnostic trouble codes (DTCs) P1783 still present? 

    Yes  If any TFT sensor circuit diagnostic trouble codes (DTCs) are present, resolve those first. If only DTC P1783 returns, REFER to: Transmission Cooling .
    No  The system is operating correctly at this time. The DTC may have been set due to an extreme driving condition.
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