Tailgate ajar warning with fast acceleration

[BriyGuyUSA]

Hi all,

just picked up my Lightning this week. Ford certified used 2023 with about 6 months of the initial warranty left.

First EV vehicle I have had so have been enjoying the fast acceleration occasionally but have noticed when I take off fast that I get “Tailgate Ajar” warning and a chime for a second which then goes away. I’ll obviously be taking this back to the dealership to get fixed soon but wondered if this is a known issue? I’m assuming it’s just a loose sensor that moves when I take off fast. Anyone seen this before?

loving this truck - wish I had got one years ago!!

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[RickLightning]

Not a known issue. Make sure your tailgate is closed.

 

[chl]

That only happens when you hit "ludicrous speed" level and the tailgate gets left behind in the wormhole opened at the front of the truck. Check the dash image for more information:

 

[BriyGuyUSA]

Love it!!!

 

[glean]

Happens regularly to me. It seems like something is loose with the tailgate mechanism.

 

[chl]

Happens regularly to me. It seems like something is loose with the tailgate mechanism.

That would get annoying, not knowing if your gate is really closed securely, esp when carrying stuff back there...I think "3 years bumper to bumper" should include the tailgate?

 

[glean]

That would get annoying, not knowing if your gate is really closed securely, esp when carrying stuff back there...I think "3 years bumper to bumper" should include the tailgate?

Yeah LOL. If I wanted to lose my truck and get a loaner for a month. The dealers here are slow AF.

I'll probably see if I can fix it, then wait until I absolutely have to take it in.

 

[chl]

It does sound like a loose or misaligned switch/contactor or wire on the sensor wherever it's located, left or right or both latches I suppose.

If you find it, post a pic for future reference for the rest of us!

AI says this (kind of a duh!) and has a video:




Troubleshooting:
If the light stays on even when the tailgate is closed, it could indicate a problem with the sensor, latch mechanism, or a wiring issue. Some users have reported issues with the warning light after replacing parts like the latch actuator or handle.

• Possible causes:
  • • Faulty sensor: The sensor itself might be malfunctioning and not correctly detecting the tailgate's position.
      

• Latch mechanism issues: The latch might not be engaging properly or could be damaged.
  

• Wiring problems: There could be a break or loose connection in the wiring harness that connects the sensor to the vehicle's electrical system.
  

• Software glitches: In some cases, software updates or glitches can cause the warning light to trigger incorrectly.

Recommendations:

• • Check the tailgate: Make sure the tailgate is fully closed and latched securely.
    

• Consult your owner's manual: Refer to your vehicle's manual for specific information about the tailgate warning system and troubleshooting steps.
  

• Seek professional help: If the problem persists, it's best to have your vehicle inspected by a qualified mechanic to diagnose and repair the issue

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