Result:

p0766

Generic
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    Shift Solenoid "D" Performance/Stuck Off

GM
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    Transaxle Shift Solenoid 4 Circuit Low Input Conditions
Cause:
    Engine running, then the PCM detected, twice per vehicle trip, that the voltage monitored at circuit 898 was under 2-2.5v with 4th Gear Actuator switched off by the PCM

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