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Home >> Ford >> 2022 >> Transit Connect Titanium, Gas/Ethanol >> Repair and Diagnosis >> External Pages >> Different car >> Section 430 (Automatic Transmission - 10-Speed Automatic Transmission - 10R80 (Specifications - Diagnosis & Testing)) >> Diagnosis And Testing >> DTC Chart and Pinpoint Tests - 2.7L EcoBoost (238kW/324PS) >> Pinpoint Tests >> Pinpoint Test Aa : DTC P1783

Pinpoint Test Aa : DTC P1783

WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
  1. Normal Operation and Fault Conditions 

    The PCM monitors transmission fluid temperature. If the temperature exceeds a threshold, it sets a DTC. The PCM might limit powertrain torque to prevent further damage to the transmission.

    DTC Fault Trigger Conditions 

    DTC Description Fault Trigger Condition
    PCM P1783:00 Transmission Overtemperature Condition: No Sub Type Information This DTC indicates the transmission fluid temperature was greater than 275°F (135°C) for more than 5 seconds.

    Possible Sources 

    • Transmission overheating concern

  2. AA1 RECHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS)

    • Ignition ON.

    • Using a diagnostic scan tool, clear the DTCs from the PCM.

    • Access the PCM and monitor the TFT (Deg C) PID

    • Road test the vehicle long enough for the transmission fluid temperature to stop increasing.

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

    Is DTC P1783 still present? 

    Yes  If any TFT sensor circuit 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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