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denhams



Member Since: 21 Jul 2020
Location: Las Vegas
Posts: 26
United States 
Tailgate keyless entry
The keyless entry for my tailgate has stopped working (2020 110 SE). That is, if I walk up to the tailgate with the key in my pocket, I can't open it. Everything else is fine - doors, opening the tailgate with the key, soft-close, etc.

There's a fault reported by the Gap tool (beta) that won't clear:

RFA-Remote Function Actuator
B1DDE-13 (2A) - loadspace interior/exterior low frequency transmitter circuit open.

I did recently remove the rear bumper that involves disconnecting/reconnecting wiring. However, I thought all the tailgate remote components were behind the lefthand loadspace cover, not in the bumper.

Any ideas? 1981 Series III 88 Santana Especial
2020 Defender 110 SE
2023 Tesla Model 3 RWD
Post #977120 8th Jan 2023 5:22pm
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Defendit..



Member Since: 09 Aug 2020
Location: 's-Hertogenbosch
Posts: 474
Netherlands 
Could be the LF antenna in the rear bumper. ( Do not remember that it is in the loadspace ,but not sure anymore)

Look at number 3 .


Click image to enlarge No Mud flaps for my 90.!
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P300S MY21 Keswick Green on air, adv.+ offroad pack, DRL+fog, Dinamica Suedecloth + Ebony headliner/Cross Beam- Many Mods..
Post #977170 9th Jan 2023 12:10am
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denhams



Member Since: 21 Jul 2020
Location: Las Vegas
Posts: 26
United States 
Thanks. Look's like it's behind the rear bumper. That's annoying, I should have checked before I re-installed the bumper. Sigh.

 1981 Series III 88 Santana Especial
2020 Defender 110 SE
2023 Tesla Model 3 RWD
Post #977173 9th Jan 2023 12:53am
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Amazing_Rando



Member Since: 17 Dec 2024
Location: MT
Posts: 4
United States 
This was insightful! I've been having a similar issue on a new to me 2020 110 but I also have issues intermittently opening the tailgate when the vehicle is already unlocked. Does the vehicle need to detect a key at the rear to open the tailgate? Or is this an unrelated issue?

My rear bumper has a crack in it right on the corner by the sensor and I wonder if whatever did that with the previous owner damaged the sensor? I've been meaning to take the bumper off and replace that corner, so I'll take a look at the sensor as well. And add the rear recovery points while I'm at it!
Post #1076028 23rd Sep 2025 11:59pm
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Amazing_Rando



Member Since: 17 Dec 2024
Location: MT
Posts: 4
United States 
Follow up - my issue appeared to be the bolts for the latch mechanism backing out making a weird situation for the tailgate. Tightened up the bolts and all is good. They were backed out more than I would have expected. I tested the door handle button circuit and it had great continuity during the tests. Tightening the bolts and it’s all good.
Post #1076356 28th Sep 2025 3:29am
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