The car will only drive forward when the transmission is in second gear?

2006 PONTIAC GRAND PRIX
1,000,000 MILES • AUTOMATIC
Avatar
PENNYKIRKSEY
  • MEMBER
  • 1 POST
Car will only go forward in second gear.
Aug 27, 2023 at 4:53 AM
Advertisement
Avatar
STRAILER
  • ✓Experienced Mechanic
  • 55,097 POSTS
This can mean the first gear shift solenoid needs to be replaced but we should run the codes first, here is a guide to help:

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

Here is how to change the shift solenoid out in case you need it. Check out the images (below). Please let us know what happens.

Images (Click to enlarge)
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Aug 28, 2023 at 3:15 AM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
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.