The “icy road” sensor on my 2011 Subaru Outback misreads the road all the time and cuts the power, making the car stutter. It happens most when I turn a corner and slowly accelerate out of the corner.
Subaru used Sigma alarms for many years.Don't know if they still do ,but here is a link.Perhaps they can throw some light on your problem.www.scorpionauto.com/home ...
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