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Park Assist Retrofit

kylant
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Skeld Enthusiast

Skeld

Posted
Posted
21 hours ago, Bryan13 said:

Any idea what they did to get it working the second time?  Just picked mine up from the retrofit work, and button won't turn on, and getting a "service park assist system" message on the driver information center

 

Not sure.  I assume they basically reloaded the update?  That's a wild guess on my part.  But, yes, mine was exactly the same as yours after the first attempt.  No light on the switch.  Now that it's working the switch is light up "on" by default when I start the truck.

rkawal New Member

rkawal

Posted
Posted

I had my 2022 Sierra 3500 HD retrofitted the other day and the Park Assist is a nice feature.  However I'm fighting with GM because my truck also has U1D , the Trailering App using the K68 Trailer Lighting Module.  In my case, I use a slide in camper mounted in the 8' bed and that turns off the Rear Park Assist.  What is happening is that the K68 module is recognizing the camper as a trailer and turns off Rear Park Assist.  This would make sense if a trailer was behind the truck, but in my case, the camper is not blocking the rear bumper sensors, so the system should work properly.  But I've learned that the K68 module software uses detection of the four lighting circuits (left and right stop/turn, reverse light, and park lights) to detect whether or not I have a trailer.  In the Trailering App is an option to choose Accessory - No Trailer, but it doesn't work.  The module software needs to be fixed so that when a trailer is not present, rear park assist should work as intended.  In my case, rear park assist works perfectly only if I unplug my camper from the truck.  Obviously that isn't OK.

22 GMC.jpg

  • 3 months later...
Hillsboro Bob New Member

Hillsboro Bob

Posted
Posted

I had the park assist chip installed in my 2022 Sierra.  I have been back to the dealership 3 times to get it to work properly and they still cannot do this.  It works maybe 1 in 20 starts of the truck.  The other times, it makes 2 dinging noises, but stays dark.  I am so frustrated with this problem and the dealer telling me "it seems to work fine when we try it."  They have had my truck for days at a time and I'm not giving up.  I've got 8,000 miles on an expensive vehicle, I expect this stuff to work.  Has anybody else had this problem?  I know all about using the info. center to turn it on there (I have, again and again) and I have know the owner's manual by heart on this topic.

 

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