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

Generic
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    Gear 5 Incorrect Ratio