Transmission not shifting properly after replacing the TPS

Tiny
JWILSON78
  • MEMBER
  • 2011 CHEVROLET SILVERADO
  • 4.8L
  • V8
  • 2WD
  • AUTOMATIC
  • 136,000 MILES
I changed my TPS and now the truck won't shift out of second.
Tuesday, January 25th, 2022 AT 7:58 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Hi,

The replacement needs possible programming. The first thing you need to do is confirm that TPS 1 and 2 parameters agree. If they do and it still won't shift, chances are you will need to reprogram the ECM.

I have attached information below showing the procedures for replacement. Note that there is a section that asks you if diagnostic codes are present. Based on that, you will follow different procedures.

Let me know if this helps or if you have questions.

Take care,

Joe

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Tuesday, January 25th, 2022 AT 8:49 PM

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