Ford
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    Incorrect Ratio for Third Gear Conditions
Cause:
    Engine running in 3rd gear with VSS signals received, then the PCM detected that the transmission Third Gear Ratio was incorrect

Generic
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    Gear 3 Incorrect Ratio

GM
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    Transaxle - No Third Gear Coditions
Cause:
    No VSS or Noise codes, VSS input over 3 mph, Turbine Shaft Speed over 224 rpm, turbine shaft and high line pressure commanded on, then the PCM detected, 2 times per ignition cycle, that the ratio failure counter equaled 255 at steady state or that the shift counter went over 100 during a downshift or an upshift

Nissan
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    AT - third gear selection - malfunction
Cause:
    Valve block