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Old 01-13-2023, 08:23 PM   #1
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2023 Jeep Grand Cherokee AEB issue

We have 2023 Jeep Grand Cherokee Summit with a Blue Ox base plate. The automatic emergency brake system (AEB) is usually offline since the base plate install. AEB is used by a number of features such as adaptive cruise control. Took the vehicle to the dealer for troubleshooting. They are unable to calibrate the AEB system. They think the modifications needed for the base plate may have weakened the front fascia enough that the AEB sensor is not being held in position.

Anyone else run into this issue? Did you find a fix? Thanks
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Old 01-14-2023, 12:28 PM   #2
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Sounds like you need to go to Blue Ox and have them fix the issue. If the Base Plate is causing it, then it is not a Stellantis issue. You could aways install an different brand of Base Plate?
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Old 01-14-2023, 12:57 PM   #3
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I should have not mentioned the brand of base plate. The issue revolves around the amount of fascia material and structure removed to accommodate the base plate. Both Blue Ox and Roadmaster base plates require similar amounts of material be removed.

Just wondering if others have run into the same issue with the Grand Cherokee.
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Old 01-18-2023, 07:52 PM   #4
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I have a 2023 Jeep GC Summit on order and plan on having the Blue Ox baseplate installed. I’ve reviewed the installation procedure and don’t like that they have to cut away so much material. …. Following this issue…
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Old 01-21-2023, 07:07 PM   #5
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The local Jeep dealer had my vehicle for a week trying to calibrate the AEB system. They removed the fascia and removed a bit more material to make sure the fascia was not hanging up on the base plate. They finally got it to calibrate, but eight miles into a test drive the AEB failed. They think all the material needed to be removed along with the shock absorption pad not being reinstalled makes the fascia too flexible and the wind load while driving throws the AEB sensor out of alignment.

I called Blue Ox to see if they have heard of the issue. The answer was no. Also called a couple of installers, but they were of no help.

I tried installing some aluminum strips to add some stiffness - no luck. May order a new lower grill and AEB sensor. That way I can refine to amount of material removed and rule out a intermittent sensor.
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