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I have the ABS lights on and could really use some advice. Car is a 1999 Saab 9-5 SE … 135k miles

After starting the car and the car going through its checks, there are no dash/warning lights on at all. When I start driving (either forward or reverse or rolling in neutral) and at 8 mph (according to my GPS) the ABS lights come on, including Brake, TCS and ! The speedo, tach, and other gauges work throughout. The control module has been checked good by BBA, the 4 wheel speed sensors are new, and the tone rings are clean. The #26 7.5 amp and #1 60 amp fuses, tire pressure, brake fluid and brake thickness are all good. I’ve checked the continuity and voltage on the front speed sensors – both check good. I tried disconnecting each speed sensor, one at a time, and each resulted in all the lights coming on. The are no codes on an OBD and unfortunately I don’t have a Tech II.

I looked through the forums and didn’t see a situation like mine. I have a state vehicle inspection coming up and would appreciate any advice.
 

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I had similar issues, and was only able to diagnose using a Tech II. Ask around and you might find someone close by, either as part of a SAAB club, or perhaps even a dealership that used to sell SAABs. Most people are happy to do a scan for you, for little or no cost. Where are you located?
 
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