Pinpoint Test A : The PTBA (Pro Trailer Backup Assist) Control Knob Status Indicator Is Inoperative Or Always Illuminated: Notes
WARNING: This page is about a different car, the 2018 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Wiring Diagram Trailer/Camper Adapter for schematic and connector information.
Normal Operation and Fault Conditions
REFER to: Parking Aid - System Operation and Component Description .
Possible Causes
- Wiring, terminals or connectors
- PTBA control knob
- GWM concern
- PSCM concern
- TRM