transmission is not responding then it was

2008 TOYOTA COROLLA
174,256 MILES • 4 CYL • 2WD • AUTOMATIC
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BLESSING EWOBOR
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Hello, this vehicle's transmission is not responding then it was, I monitored it on the scanner, looking at the "shift status" on the scanner as the vehicle is accelerating, it moved from first to second and to third. At the third, it refuses to shift from there even though the engine speed was more than 5,000 RPMs and the speedometer was more than 60 MPH. I scanned it but I couldn't find any codes on its memory. What could be the problem?
Jan 30, 2021 at 10:26 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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STRAILER
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It sounds like one of the shift solenoids has stopped working. To be sure let's remove the pan and remove the solenoids to test them with 12 volt power and ground you should he a click when power is applied. this diagram and guide should help us:

https://www.2carpros.com/articles/how-to-service-an-automatic-transmission

Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.
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May 26, 2021 at 6:36 PM
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BLESSING EWOBOR
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Thank you sir, i will get back to you.
May 26, 2021 at 6:36 PM
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STRAILER
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Please let us know what you find. We are interested to see what it is.
May 26, 2021 at 6:36 PM