Pinpoint Test Q : BTSI Transmission Shift Interlock System Does Not Release: Notes

WARNING: This page is about a different car, the 2019 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.

BTSI Transmission Shift Interlock System Does Not Release

Normal Operation and Fault Conditions

The BCM provides battery power to the GSM. The brake transmission shift interlock override switch receives power from the GSM. When the brake transmission shift interlock override switch is held the GSM flashes indicating the vehicle is in Neutral Hold for towing purpose.

Possible Sources

Connectors damaged or pushed-out terminals, circuitry open, short to power
Brake transmission shift interlock (BTSI) override switch
GSM