Transmission not shifting properly after replacing the TPS

2011 CHEVROLET SILVERADO
136,000 MILES • 4.8L • V8 • 2WD • AUTOMATIC
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JWILSON78
  • MEMBER
  • 1 POST
I changed my TPS and now the truck won't shift out of second.
Jan 25, 2022 at 7:58 PM
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JACOBANDNICKOLAS
  • ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
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

See pics below.
Jan 25, 2022 at 8:49 PM
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