When transmission is in drive the car will not Move

CHRIS BENNETT

MEMBER
2008 PONTIAC G6
2.4L
4 CYL
2WD
AUTOMATIC
213,215 MILES

Hi. I'm having trouble with my transmission. I put in drive but it won't go. But reverse, third, and low gear work perfectly. I drive it like manually shifting it from low to third, then back into drive for over drive. I changed out both shifting solenoid and the checked the output speed sensor. Changed transmission oil nothing. Just throwing parts at it.

3 Replies

KEN L

MASTER CERTIFIED MECHANIC
47,625 POSTS

Hello,

Lets see if the shift valve one (light green wire) is getting a signal and if so the transmission is bad and needs to be replaced. Here is a guide to help you test the wire for 12 volts and the wiring diagrams for the transmission below so you can see how the system works. Can I ask if all the gear selector lights are working? If it does not get a signal the PCM is bad.

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Check out the diagrams (below). Please let us know what you find.

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Tuesday, August 6th, 2019 AT 2:06 PM

CHRIS BENNETT

MEMBER
2 POSTS

I got it diagnosed. No transmission codes. Just a EVAP code came up.

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Tuesday, August 6th, 2019 AT 2:53 PM

KEN L

MASTER CERTIFIED MECHANIC
47,625 POSTS

It sounds like the transmission has had an internal failure. I have included the steps for your cars transmission removal in the diagrams below. This video show a rear wheel drive transmission replaced which can show you many things that pertain to the job.

https://youtu.be/3vJAojsrfuU

Check out the diagrams (below). Please let us know if you need anything else to get the problem fixed.

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