Transmission will not into drive or reverse

2006 CADILLAC SRX
166,425 MILES • V6 • FWD • AUTOMATIC
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TARETHA LACY
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Driving car would not go in reverse nor drive. Engine light came on. Tow car to shop. Shop fix driveshaft shifter linkage and transmission mount. Drove car for thirty minutes would not go in drive nor reverse. Shop told me if check engine light comes on need transmission. Engine light did not come on this time. Do I need a transmission?
Apr 17, 2017 at 8:01 PM
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KASEKENNY
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It sounds like you are having either a pressure issue or manual valve issue. Basically when you put the vehicle in gear, the shift linkage moves what is called a manual valve and this is what directs the pressure to the correct portion of the transmission to engage that gear.

We need to start with checking for codes even though the light is not on.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

If you have no codes then we need to find out if the shift linkage is still connected. If it is then we need to check pressure and find out if the pressure is correct. I attached the process and it is pretty easy to check, we just need to rent a gauge to do this testing.

Let us know if you have questions but this will determine if we need to go into the transmission or not. Thanks
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Jan 28, 2021 at 3:29 PM