Transmission not shifting properly

1997 CADILLAC CATERA
149,000 MILES • AUTOMATIC
Avatar
21MISSISSIPPI
  • MEMBER
  • 1 POST
Whenever transmission light is on in dash, it will no longer automatically shift from one gear to another. In this mode I can still shift gears manually.
Nov 11, 2020 at 5:37 AM
Advertisement
Avatar
ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
Good morning,

There is a fault code stored for this in the system.

https://www.2carpros.com/articles/automatic-transmission-problems

Can you take it to a parts store and have them read the code so I can narrow the area of failure.

I attached some possibilities below for you to view.

Roy

Image (Click to enlarge)
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Nov 11, 2020 at 5:59 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.