P0765: Shift Solenoid D
Standardized SAE J2012 code · P07xx — Transmission
What does P0765 mean?
A shift solenoid is an electrically switched valve in the valve body. Manufacturers use these codes differently: Ford reports an open circuit with the base code and shorts separately, and the letter is not tied to a valve number (Saab's Aisin 9-5: C = valve S4, D = valve S5). P0765 is the general code for solenoid D and, at Ford, means an open circuit (0.5–5 s); shorts are P0982/P0983. On Ford's 6R80 and 6F transmissions solenoid D feeds either the low/reverse brake or the 4-5-6 clutch via a multiplex valve, on the 6R140 only the low/reverse brake; on the 2023 diesel its supply is shared with solenoid B and the converter clutch (P2669). A Ram 6.7 L bulletin traces P0765 to a leaking capacitor in the engine module.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Symptoms
- Check engine or transmission warning lamp
- Limp mode in a fixed gear (Ford: fifth with maximum pressure)
- No reverse or engine braking in first, or missing 4th–6th gears (Ford)
Common causes
- High Open or corroded wire, connector or internal harness
- Medium Solenoid coil open or shorted
- Low Solenoid supply (high-side switch) missing
- Low Module driver faulty
Likelihood is a general estimate across vehicles; your make and model may differ.
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