Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
The cost to diagnose the P0768 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
The Shift Solenoid Valve 'D' is turned ON or OFF by the Transmission Control Module (TCM) in response to signals sent from the Park/Neutral Position (PNP) switch, vehicle speed, and Engine Control Module (ECM) (throttle opening). Gears will then be shifted to the optimum position. The Diagnostic Trouble Code (DTC) is detected when the gear required by the TCM does not match the actual gear when the vehicle is driven.
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