ABS troubles

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LTZ Tahoe 74

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I was wondering if anybody's ran into this and if they had an answer. My 07 LTZ Google drive the rear end went out so I got one out of a 04 Yukon Denali which was an upgrade from the single-piston to the dual-piston calipers so that was a plus but when I ran into a problem was with the ABS sensors the ones being the old style versus the new I figured... Well the connectors were the same maybe I'll get lucky wrong answer there! After plugging them up find the codes drove about 15 feet and the truck started jerking and the truck went ballistic every light on the jerking and every light on dash came on is there any way around this or do I just have to live with the lights on. Thank you I'd appreciate any feedback from anybody
 

wjburken

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I was wondering if anybody's ran into this and if they had an answer. My 07 LTZ Google drive the rear end went out so I got one out of a 04 Yukon Denali which was an upgrade from the single-piston to the dual-piston calipers so that was a plus but when I ran into a problem was with the ABS sensors the ones being the old style versus the new I figured... Well the connectors were the same maybe I'll get lucky wrong answer there! After plugging them up find the codes drove about 15 feet and the truck started jerking and the truck went ballistic every light on the jerking and every light on dash came on is there any way around this or do I just have to live with the lights on. Thank you I'd appreciate any feedback from anybody
If I am not mistaken, the rear ABS sensor reads pulses from a reluctor ring on the axle. If the number of pulses per revolution are different between the model years, your computer is going to think you have wheels going different speeds and try and engage traction control to get things under control. Swapping between generations of vehicles can be very problematic, particularly when it comes to all the electronics.
 
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LTZ Tahoe 74

LTZ Tahoe 74

TYF Newbie
Joined
Nov 6, 2021
Posts
5
Reaction score
3
Location
Summerville SC
If I am not mistaken, the rear ABS sensor reads pulses from a reluctor ring on the axle. If the number of pulses per revolution are different between the model years, your computer is going to think you have wheels going different speeds and try and engage traction control to get things under control. Swapping between generations of vehicles can be very problematic, particularly when it comes to all the electronics.
Besides this lil hiccup everything went smooth. I saw a video on line I'm going to try and see if it works with a jumper wire front to raar and see if it works. I'll keep everyone posted. I just really want those sicking lights off my dash!!!!
 

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