Key fob detection issues after LED install

[Luis1275]

You might want to check with Lasfit again as their website now indicates they have LEDs that have been checked and work with the 2021 Ram 1500. (“Bulbs replacement for 2021 Ram 1500. All LED bulbs recommended for the Ram 1500 have been tested. All LED bulbs are plug-and-play. No need for any modification. Choose the bulbs you want and get a new look on your 2021 Ram 1500!”):

Fit for 2021-2024 Ram 1500 LED Bulbs H11 9005 Exterior Lights

LED bulbs upgrade for 2021-2023 Ram 1500. Package Included: forward lighting bulbs, fog light bulbs, front turn signal lights, reverse lights, brake lights, dome lights, map lights, and more. Free shipping. 45 days hassle-free warranty.

www.lasfit.com

Likewise,I’d recommend calling Diode Dynamics to see if their LEDs really fit a 2021. They have great customer service and will tell you straight up of there are any issues or what they would recommend for a 2021 Ram:

Search results for: 'by-vehicle ram-truck 1500 2019-2021-ram-1500-led-lighting-upgrades'

Automotive LED lighting for cars and trucks, including headlight, fog light, turn signal, backup, tail, interior, halos, demon eyes, boards, strips, and more!

www.diodedynamics.com

Not for the 2021 I just spoke to Lasfit

 

[NorthStar]

And did you follow the rest of my advice and check with Diode Dynamics?

 

[Luis1275]

What a 2021 Ram 1500, are they having issues If you change out the cargo lights/3rd brake light with DD or Lasfit LEDs, anybody know???

Fob not working. Interference with RF Hub

 

[Idahoktm]

This only works for 2019-2020. Not for 2021 Lasfit told me it will not work for 2021 model year.

If they work for the 19-20's why wouldn't they work for the 21's?

 

[Mountain Whiskey]

You know, the key fob/led light threads are just behind the Gas Milage and the What Oil Do You Use threads.

 

[gHiDoRa]

If they work for the 19-20's why wouldn't they work for the 21's?

i wonder the same thing too, didn't know they change the bulbs size on 21'

 

[Spaniard85]

I believe that the Lasfit ("flat") style below is the type that may produce the Key Fob Not Detected error. But the Lasfit ("round") style does not. I have the round style as replacement bulbs for my (2) White Cargo Lights w/ no issues.

921 912 W16W LED Reverse Backup Trunk Cargo Light Bulbs, 2 Bulbs

LASFIT T15 921 CANBUS error free led bulbs are 1400 lumens extremely bright. Fit most backup light, dome light, trunk light, etc. We provide 1 year worry-free warranty.

www.lasfit.com

View attachment 76584

921 912 CANBUS Error Free White LED Reverse Back Up Light Bulb - Upgraded Version, 2 Bulbs

1. These CANBUS LED bulbs don't work for cargo light for the 2021 Ram 1500.2. These CANBUS LED bulbs don't work for reverse light for the 2018-2021 Honda Accord.3. These CANBUS LED bulbs don't work for reverse light for the 2016-2021 Chevrolet Malibu.4. These CANBUS LED bulbs don't work for...

www.lasfit.com

View attachment 76585

Reviving an old thread to confirm for anyone having this issue that this is the fix. I had the "flat" style replacement bulbs for the bed lamps and third brake light, and those caused the key fob not detected issue. I replaced them with the "round" style bulbs from Lasfit above, and the issue has been resolved. This is your solution.