GR _ CM Mode (Drive Mode)

WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2002 Mercury Grand Marquis, 2002 Lincoln Town Car, 2002 Ford Crown Victoria, 2001 Mercury Mountaineer, and 2001 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.

GR _ CM mode is used to test transmission shift operation. In this mode, transmission can be commanded into any forward gear. With gearshift lever in "D" position, vehicle speed must be more than 2 MPH. TCC solenoid must be off.

Select OSC mode.
Select Trans-Drive Mode.
Select PIDs to be monitored.
Monitor all selected PIDs during test.
Select Parameters (GR _ CM).
Select a value 1-4, and then press SEND. Values are as follows:
1. Value 1
  
  tells PCM to select 1st gear.
2. Value 2
  
  tells PCM to select 2nd gear.
3. Value 3
  
  tells PCM to select 3rd gear.
4. Value 4
  
  tells PCM to select 4th gear.
Select XXX, and then SEND at any time to cancel any command sent.