Perhaps a better question would be to ask if there really is an OBD II in 2019 F53 Jayco Precept. I have stood on my head 3 times trying to find it in the vicinity of the steering column.
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Dick and Heather Nester, Tonny and Maggie May
2019 Jayco Precept 34G, 2018 F150 KR Toad
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