Generic
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    Incorrect Gear Ratio

GM
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    Transaxle Gears - No Gears Available Conditions
Cause:
    Engine running at steady moderate throttle, VSS input at 0 mph, Turbine Shaft Speed (TSS) over 756 rpm, then the PCM detected, once per vehicle trip, with 1st, 2nd, 3rd or 4th gears commanded on by the PCM, that no accurate TSS pull-downs occurred