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post #6 of (permalink) Old 07-13-2019, 09:07 PM
Mark Kovalsky
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Join Date: May 1999
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The only way to test the TRS is to get a program like Forscan and log data. Watch what the PRNDL display does in the data, not on the dash. If it is changing when you are not moving the shift handle then the TRS is bad. If the display doesn't change when it is going to neutral the trans is bad.

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Automatic Transmission Engineer 1988-2007

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