GR__CM In DRIVE MODE

WARNING: This page is about a different car, the 2002 Ford Ranger. 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 GR__CM parameter allows 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 "GR__CM" Mode Operates ONLY when:

VSS and digital TR sensor are operational.
No VSS and digital TR sensor DTCs.
Engine "ON."
TCC "OFF."
Transmission range selector lever on O/D.
Vehicle speed is greater than 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.
[OFF] - turns solenoid OFF.
[ON] - turns solenoid ON.
[XXX] - cancels OSC value sent.
[SEND] - sends the values to PCM.