Conditions for Setting the DTC

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

The actual gear ratio is 1.2 times greater than, or 0.75 times less than the known 1st gear ratio for 12 seconds or greater.
The vehicle speed calculated from mainshaft speed sensor is more than 11 km/h (7 mph) while the vehicle speed calculated from the output shaft speed sensor is less than 2 km/h (1 mph) for 3 seconds or more.
The actual gear ratio is correct to the known gear ratio for 3 seconds or more.