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Re: Neglected to mention--No CLE light Posted by bobc [Email]  (#473)  [Profile/Gallery]
(more from bobc) on Wed, 18 Sep 2019 11:20:12
In Reply to: Neglected to mention--No CLE light, AK Saab, Wed, 18 Sep 2019 00:12:59 Members do not see ads below this line. - Help Keep This Site Online - Signup |
the CEL light is not a factor for ABS failures.
It would be a big help to get the actual ABS code(s). Maybe there is an independent shop that can read the code with an "other-than-tech 2" scanner? Or perhaps there is a GM dealer that can/will do it? Or since you are in the wilds of Alaska, with a Saab, have you considered buying a Tech 2 clone? https://www.saabnet.com/tsn/bb/9-5/index.html?bID=277929
I don't recommend going forward without getting the code. Without the code(s) you will be working blind. But I understand the constraints (and have been there!), so if you must proceed with a "shotgun approach" here are my thoughts:
1 - check the static resistance of each the wheel sensor. it should be between 1000 and 1500 ohms. I use a pigtail like this https://www.amazon.com/gp/product/B07CXZQ16W/ref=as_li_tf_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B07CXZQ16W&linkCode=as2&tag=thesaabnetwork
2 - replace the brake light switch with known good one (used or new)
3 - inspect, rebuild junctions J108-J111
4 - rebuild ABS module.
I'd say that this would cover the 4 most common failures. however there are LOTS of other failures possible. In my case it was high resistance in the wire itself due to corrosion migrating up the wire strands from cracked insulation.
let us know what you find in the next round.
_______________________________________ '08 9⁵ 2.3T SportCombi, Polar White '01 9⁵ Aero Midnight Blue (benched) '00 9⁵ Aero Midnight Blue (rescued) '99 9⁵ Base model, Cosmic blue '00 9⁵ Aero Silver (RIP - transmission )
, Tue, 17 Sep 2019 07:07:38, Wed, 18 Sep 2019 11:20:12 <-- Viewing This Message
, Wed, 18 Sep 2019 19:47:43
1, Tue, 17 Sep 2019 07:56:25
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