Insufficient earth contact at rear of headlining - various symptoms or fault codes due to poor earth connection at the following ground points -
Tailgate Harness Grounds: G4D476, G4D180XT and G4D149EA, G4D149E (See pictures 1 and 2)
Additionally:
Spoiler Harness Grounds: G9D132, G9D116
Ground point for RF filter at the center of the rear headlining (see picture 1)
The customer may experience the following symptoms on vehicles up to VIN F67830.
Power tailgate inoperative
Tailgate locking/unlocking inoperative
Potential 12V Auxiliary Battery (B19) drain
Rear heated screen inoperative
Warning of reduced brake pedal feel
Other possible failures may be related to the ground earth issue
