2020 Ram 1500 tail lights not working

[nickwille99]

If it helps. I am getting this error code. Not sure if it correlates to my issue.

 

[firemedic10584]

If it helps. I am getting this error code. Not sure if it correlates to my issue.View attachment 190101

Seems like it's grounding out somewhere with that error code present.

 

[kapinallinen2]

If it helps. I am getting this error code. Not sure if it correlates to my issue.View attachment 190101

B1626 is a "cargo lamp control-circuit short to ground" on my 2019 rebel.

 

[nickwille99]

I was able to fix it. Had something to do with the XY400 connector under the driver seat.

 

[Plainandsimple]

were you able to correct the issue. I am having same problem. I just installed new LED tail lights. running lights don't work, however turn signals and brake lights do work. I put my OEM incandecent lights back in and they still work properly. I am waiting for call back from AlphaRex tech support to see if they have any issues.

Hello,

I have a 2020 Ram 1500 and the tail lights (running lights) are not working, when it is dark. The brake lights and turn signal lights are working. I checked fuse F36 (Central Body Controller (CBC) 2 Exterior Light 1) and Fuse F25 (Exterior Lights 2). Is there another fuse?

Hello,

I had the same problem with my 2021 ram 1500 big horn. I went through the fuse diagrams in the owners manual. Not helpful. I found myself on these forums looking for labelled diagrams of the fuse boxes. Long story short…I finally realized daytime running lights were actually disabled. If you go into settings on the radio there is a menu option for “lights” I checked the “daytime running lights” box and boom! Back on. Not sure how that happned. I did recently replace the battery. Idk. Hope this helps you and you don’t waste time at auto zone searching for fuses they don't carry. Btw. Never did find which fuse is for the lights.

 

[Plainandsimple]

Did you find a fix for this? I am currently having the exact same issue.

Go into settings on the radio and check that daytime running lights are checked !

 

[kapinallinen2]

Never did find which fuse is for the lights.

There are no dedicated fuses for lights, the lights are powered from the BCM.

 

[birdiee318]

I've noticed my left rear running light works when I 1st get in the truck then quits working after I drive it and works again a little bit later. It just started a few weeks back. I checked the bulb and it's fine. The fitness seems to be tight. I did notice the socket looks like it has a little bit of burn mark. I am using a LED bulb. Anyone have suggestions?

 

[Bilu.]

Możesz mi się przydać. Miało to połączenie ze złączem XY400 pod siedzeniem elektrycznym.

Czy masz zdjęcie tego powstania?

Jestem z Polski, mam BigHorn z 2022 roku i mam ten sam problem: kierunkowskaz, światło światła i cofania szczegółowe.

redagować:
Znalazłem go pod siedzeniem, wcisnąłem świece, ale nic nie pomogło...

 

[ccoker6]

were you able to correct the issue. I am having same problem. I just installed new LED tail lights. running lights don't work, however turn signals and brake lights do work. I put my OEM incandecent lights back in and they still work properly. I am waiting for call back from AlphaRex tech support to see if they have any issues.

Any update because mine are doing the same thing