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My light check will function without a trailer attached so trailer light type shouldn't matter, this applies to pre '25 trucks, not sure if the new trucks are the same or not
If they set the pallet on the tailgate to reposition the forks you likely have some dents facing out from the internal supports, happened to my truck with a pallet of concrete.
What part number is on the side step module?
'24 and earlier is 68367399AF, I don't know what the '25 number is.
@Jimmy07 may have more knowledge on this if he responds.
Is the power side step module for a '25? I doubt the '24 and older modules will work because of the canbus change for '25.
You will need to change settings in the bcm to tell it the step module is present and to enable customer set features to appear in the radio
You can enable bed lowering mode while you are sliding in your camper, it will Inhibit any height adjustment and will deflate the bags. After that once the camper is in use alt trailer height to level the truck
Use 2 relays, one triggered by the aux switch, the other triggered by the VSIM, hook both outputs of the relays together so either can send 12v to your lights. I can draw a rough diagram to make more sense if you want
I took a screenshot of the DPF from a YouTube video, the first pressure differential tube is about 5 inches down from the edge of the DPF canister, I bet there is a secondary DOC there, right before where that tube taps in
I wouldn't be surprised if they still use some in-cylinder fuel dosing during a regen to get the pre-dpf temp high enough to be able to dose fuel with the hydrocarbon doser during light load use. Also I would think there would have to be a small DOC built in to the DPF assembly to be able to...
Next time monitor the rear exhaust temp probes, they moved the DPF to the rear of the exhaust, where the SCR is on the pre '25 trucks, i bet you will see more activity on those probes