GEAR in Drive Mode: Notes

WARNING: This page is about a different car, the 2005 Mercury Mountaineer and 2005 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

This OSC function is used to test the transmission shift functions.

The OSC functions for the GEAR parameter allow the technician to choose the following options:

1 - PCM selects 1st gear.
2 - PCM selects 2nd gear.
3 - PCM selects 3rd gear.
4 - PCM selects 4th gear.
5 - PCM selects 5th gear.

OSC "GEAR" mode operates ONLY when:

VSS and digital TR sensor are operational.
No VSS and digital TR sensor DTCs.
Engine ON.
TCC OFF (TCC cannot be engaged).
Transmission range selector lever in (D).
Vehicle speed is greater than 3 km/h (2 mph).

OSC Command Values:

1 - PCM selects 1st gear.
2 - PCM selects 2nd gear.
3 - PCM selects 3rd gear.
4 - PCM selects 4th gear.
5 - PCM selects 5th gear.
XXX - Cancels OSC value sent.
SEND - Sends the values to PCM.