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Hi my name is ***** ***** I will be happy to assist with this today.In some cases I may need more info to assist better.I apologize for any delay.
This sounds like an internal fault with the park pawl or another internal mechanical fault in the transmission causing the pulling/power issue as well as the grinding and the pulling onto tow truck in park like it was in neutral.I suspect an internal component has broke free inside the transmission possibly an issue with the parking pawl itself.
What will need to be done from here is first have the fault codes checked/read out since the system service light is on to see what codes are set.Most likely one or more codes are set with this issue here that need to be diagnosed to help locate and repair the cause here.If any codes are set this will help lead to the fault.
I suspect the transmission pan and in some cases the entire transmission will need removed for further inspection to locate and repair the cause.
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