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Re: TCS Light appears after hitting 68MPH and above Posted by MI-Roger [Email] (#882) [Profile/Gallery] (more from MI-Roger) on Wed, 2 Jan 2019 15:20:28 In Reply to: TCS Light appears after hitting 68MPH and above, Sibelus, Wed, 2 Jan 2019 12:30:35 Members do not see ads below this line. - Help Keep This Site Online - Signup |
IIRC TCS is activated by a difference in wheel speed. The wheel speed sensors can be impacted by wearing wheel bearings which cause a 'wobble' that is detected as a difference in wheel speed. A grossly out of balance wheel/tire combo might do it, as will differences in tire size.
Are all tires the same size with the same amount of wear?
Have you had the wheel/tires inspected for balance?
Have you had the hubs inspected for a wheel bearing approaching end of life?
#1 is an easy eyeball check, do that first. I would do #3 next. If you have #3 done at a tire shop they can do #2 at the same time.
_______________________________________ Saabs owned: 2008 9-5 Aero Sedan, sold at 227K miles 2006 9-3SC 2.0T - Wife's daily driver 2000 Viggen Convertible - Sold May, 2022 1964 Quantum IV Formula Car - Retirement project 2000 9-5lpt Sedan, sold at 318K miles
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