Installed "new" used rear struts and now more problems?

2478 Views 17 Replies 7 Participants Last post by ponyboyt, Apr 13, 2011

JESSEGOTTA 99 STS

Discussion Starter · Apr 9, 2011

So I scored some rear struts off a 99 STS with 75k on it, installed them on my car (99 sts with 150k) and they work perfectly. BUT Now "service suspension, service stability system and service idle control" all pop up on my DIC. They never showed up until I installed the struts, I've checked and checked all the wiring, air lines ect.. all are fine. I'm hoping it's something simple if all of these popped up at one time, but I don't have a clue where to start, I've cleaned all ground locaions, unhooked the battery to reset everything, no change. Car is running fine (besides randomly blowing etc fuse?) Only codes are : C1721, C1722, C1782, P0550, P1520. All are history, but when I clear all the codes and take a drive they all come back and still pop up history. Any ideas? thanks for your help!

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ponyboyt

· #10 · Apr 11, 2011

Deville's are passive. All the DTS's ive seen are active. Was actualy surprised the 03 Deville that was just in my shop had passive.

ABS/Stabilitrack should not be affected by the shocks(plugs) unless you unplugged the wheel speed sensors when you changed them.

Pull the codes for more details. (ABS codes for ABS/Stabilitrack)

Also, ya 99 has stabilitrack, also pre-99 too. Not sure when it started, but 95-96-97's ive seen have it too.

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ponyboyt

· #18 · Apr 13, 2011

its the abs controler, but a bad or shorted wire can cause the malfunction code. Clear em and see if they come back. Has it gotten wet from water/puddles or coolant or anything spilled on it? Its in the front behind the drivers side headlight.

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