Normally-Open TFP Switch A:
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
With the TFP switch removed from the transmission test for infinite resistance between the control terminal A and the metal mounting bracket of the TFP switch, and less than 5 ohms of resistance while depressing the switch.
- If not within the specified range, replace the TFP Switch.