richardherrmann20
Windstar Transmission Problems
Summary of the thread
A 2002 Ford Windstar is experiencing starting issues, a check engine light, and transmission slipping, possibly linked to the automatic transmission. The problem could be related to the gear linkage or shift lock, but a defective transmission control unit is identified as a probable cause. A mechanic's diagnosis confirmed the control unit defect, suggesting a repair is necessary.
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4 comment(s)
richardherrmann20 (community.author)
Thanks for the info! Transmission fluid is fine. When you say transmission sensor, do you mean one particular sensor, or is it more complex than that? Also, did your mechanic have any ideas about the root cause when the error codes were read?
miastern39
In my Opel, the issue stemmed from the transmission control unit itself. The sensor readings were off because the control unit was defective, not necessarily the sensors themselves. The garage identified it as the most probable cause after a thorough diagnostic process. Based on your symptoms and error codes, a defective control unit is definitely a possibility for your Windstar as well. At this point, I would suggest taking it to a workshop.
richardherrmann20 (community.author)
Thanks for the insight. It sounds like a trip to the mechanic is in order. I was hoping it was something simple, but a defective control unit makes sense given the symptoms. The mechanic confirmed your suspicion: Affected control unit defective. The repair is going to cost around 1000€. I appreciate you sharing your experience!
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FORD
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WINDSTAR
miastern39
I encountered something similar with my 2014 Opel Insignia. The symptoms you describe – the starting issue, check engine light, and transmission problems – mirror what I experienced. In my case, the error memory indicated a faulty transmission sensor. The problems started intermittently, but eventually, the car became almost undriveable. Have you checked the transmission fluid level and condition?