Chrysler
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    Speed Sensor Low RPM at over 15 MPH Conditions
Cause:
    No PCM codes set, in 3rd gear with TCC unlocked for 10 seconds, VSS under 70 mph, throttle at 1/3 open until TCC locks, then TCC locked for 5 seconds and PCM detected that the engine speed did not drop with the TCC engaged

Ford
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    OSS Sensor Insufficient Input Conditions
Cause:
    Engine running, VSS signal more than 1 mph, then the PCM detected that the OSS signal did not correlated to the incoming VSS or TCSS signals that it received

Generic
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    Output Speed Sensor Circuit

GM
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    Output Speed Sensor Circuit (M60 3-Speed Transaxle)
Cause:
    Engine running, vehicle in Drive or 2nd Gear range, and then the PCM did not receive any VSS (Transaxle) signal inputs.

Nissan
Type:
    Powertrain - Transmission - ISO/SAE Controlled
Description:
    AT - vehicle speed sensor (VSS)
Cause:
    Wiring, VSS, TCM