The Line Lock Feature Cannot Be Engaged

WARNING: This page is about a different car, the 2020 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.

Possible Source	Action
DTCs present in the ABS module, PCM or PSCM Spare tire is installed Driver or passenger door is open Transmission is in PARK or REVERSE Parking brake is applied Steering wheel is not in the straight-ahead position Vehicle is on an incline Engine is not running Driver applied brake pressure is not high enough OK button not pressed while applying the brake pedal to the required force Selectable driving mode is set to Snow-Wet Vehicle speed exceeded 40-48 km/h (25-30 mph) after the feature was initialized	Using a diagnostic scan tool, RETRIEVE and DIAGNOSE all ABS module, PCM and PSCM DTCs. REPAIR and INSTALL the road wheel and ATTEMPT to engage the Line Lock feature. CLOSE the open door and ATTEMPT to engage the Line Lock feature. The transmission must be in a forward gear for the Line Lock feature to engage. PLACE the transmission in DRIVE or FIRST GEAR and ATTEMPT to engage the Line Lock feature. RELEASE the parking brake and ATTEMPT to engage the Line Lock feature TURN the steering wheel to the straight-ahead position and ATTEMPT to engage the Line Lock feature. The vehicle must be on a flat surface for Line Lock feature use. MOVE vehicle to a flat surface and ATTEMPT to engage the Line Lock feature. START the engine and ATTEMPT to engage the Line Lock feature. The brake pressure meter in the message center must be completely filled before the Line Lock feature engages. REFER to the Owner's Literature for Line Lock feature operation. FOLLOW all instructions in the Owner's Literature and in the message center. The Line Lock feature cannot be used with Snow-Wet mode selected. SELECT Track mode and ATTEMPT to engage the Line Lock feature. The vehicle cannot be moving when selecting the Line Lock feature. STOP the vehicle and ATTEMPT to engage the Line Lock feature.

Possible Source

Action

DTCs present in the ABS module, PCM or PSCM
Spare tire is installed
Driver or passenger door is open
Transmission is in PARK or REVERSE
Parking brake is applied
Steering wheel is not in the straight-ahead position
Vehicle is on an incline
Engine is not running
Driver applied brake pressure is not high enough
OK button not pressed while applying the brake pedal to the required force
Selectable driving mode is set to Snow-Wet
Vehicle speed exceeded 40-48 km/h (25-30 mph) after the feature was initialized

Using a diagnostic scan tool, RETRIEVE and DIAGNOSE all ABS module, PCM and PSCM DTCs.
REPAIR and INSTALL the road wheel and ATTEMPT to engage the Line Lock feature.
CLOSE the open door and ATTEMPT to engage the Line Lock feature.
The transmission must be in a forward gear for the Line Lock feature to engage. PLACE the transmission in DRIVE or FIRST GEAR and ATTEMPT to engage the Line Lock feature.
RELEASE the parking brake and ATTEMPT to engage the Line Lock feature
TURN the steering wheel to the straight-ahead position and ATTEMPT to engage the Line Lock feature.
The vehicle must be on a flat surface for Line Lock feature use. MOVE vehicle to a flat surface and ATTEMPT to engage the Line Lock feature.
START the engine and ATTEMPT to engage the Line Lock feature.
The brake pressure meter in the message center must be completely filled before the Line Lock feature engages. REFER to the Owner's Literature for Line Lock feature operation. FOLLOW all instructions in the Owner's Literature and in the message center.
The Line Lock feature cannot be used with Snow-Wet mode selected. SELECT Track mode and ATTEMPT to engage the Line Lock feature.
The vehicle cannot be moving when selecting the Line Lock feature. STOP the vehicle and ATTEMPT to engage the Line Lock feature.