Power Liftgate Opening Intermittently without Engagement of Key Fob or Liftgate Buttons with Shift Selector in Park – 2013 Lincoln MKT

LIFTGATE – INTERMITTENT OPERATION

 

LINCOLN:

2013 MKT

 

2013 MKT vehicles may exhibit a concern with the power liftgate opening intermittently without engagement of the key fob or liftgate buttons with the shift selector lever in the park (P) position.

 

SERVICE PROCEDURE

1. Remove the liftgate trim panel.
   1. Disconnect connector C4339. Refer to Wiring Diagram manual.

2. Remove the rear bumper cover.
   1. Disconnect connector C4353. Refer to Wiring Diagram manual.

3. Inspect connectors C4339 and C4353 for evidence of water intrusion and/or corrosion. Is evidence of water or corrosion present?
   1. No – proceed to Step 4.
   2. Yes – proceed to Step 6.

4. Fill connector C4339 3/4 full with Motorcraft Electrical Grease. (Figure 1)

Figure 1

 

5. Cover C4353 terminal top with Motorcraft Electrical Grease. (Figure 2) Proceed to Step 9.

Figure 2

 

6. Replace the body side connector C4339 using the jumper harness and the solder splicing method.
   1. Fill connector 3/4 full with Motorcraft Electrical Grease. (Figure 1)

7. Replace connector C4353 using the jumper harness and the solder splicing method.
   1. Cover the terminal top with Motorcraft Electrical Grease. (Figure 2)

8. Replace tailgate switch assembly.

9. Reinstall liftgate trim panel.

10. Reinstall the rear bumper cover.

 

PART NUMBER	PART NAME
3U2Z-14S411-DYB	Pigtail Wiring Kit /Actuator-Liftgate
BT4Z-14B291-B	Control Assembly Liftgate
1L2Z-14018-AC	Switch Assembly – Tailgate
7A1Z-14A411-A	Switch – Jumper Wiring
3U2Z-14A088-AB	Splice Kit
XG-12	Motorcraft Electrical Grease