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4L60e Not Shifting to 3rd


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j76bravo
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Nov 2, 2022, 6:47 AM

Post #1 of 1 (1097 views)
4L60e Not Shifting to 3rd Sign In

I have a 1996 Chevy Corvette, LT1 w/4L60e and 42k miles. I got a Mongoose Pro II, and Tech2win. I have second gear, but I have to slightly release the gas pedal (sometimes). From there, it would not send a command to upshift to third, even when I depress the accelerator, manual or auto shift (Tech2 Data). Also, when driving, sometimes the Tech2win would read 1mph less than what the dash would display. Tech2win also says: TP Range has Exceeded while in 2nd, Normal in 1st. I get Last Shift Time Error -1.03 seconds, later in second gear. I hope this helps... Thanks






 
 
 






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