LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2019 >> Mustang EcoBoost Premium, 2D Convertible, Standard Trans >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Abs Guided Routine >> DTC/Symptom Selection >> Symptom Chart - Anti-Lock Brake System (ABS) and Stability Control >> The Line Lock feature cannot be initialized
April 5, 2026: LEMON Manuals is launched! Read the announcement.

The Line Lock feature cannot be initialized

Possible Source Action
  • DTCs present in the ABS module, PCM or PSCM
  • Vehicle is on an incline
  • Engine is not running
  • Selectable driving mode is set to Snow-Wet
  • Vehicle is traveling faster than 40-48 km/h (25-30 mph)
  • 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
  • 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 appropriate service information for Line Lock feature operation.
  • 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