P1791

2003 SATURN VUE

SCHILS1

MEMBER
1 POST
FOLLOW

Transmission problem 6 cyl All Wheel Drive Automatic

Transmission Control Module Loop code? Is this a relay problem or a sensor problem and how do I repair it?

Jul 2, 2009 at 4:24 PM

BRIAN 1

CERTIFIED EXPERT
1,030 POSTS

The instrument panel/body inline connector,located behind the left hinge pillar garnish molding, may have bent or corroded terminals.

check this first,and post back with what you find.

Jul 2, 2009 at 5:57 PM

ANDREW03

MEMBER
2 POSTS

Where is this?

Nov 10, 2017 at 9:51 AM

STRAILER

CERTIFIED EXPERT
53,854 POSTS

This code is for the transmission input and output speed sensors. Here is a video that show the speed sensors being done.

https://youtu.be/f3bETtCIdxM

Different car but you get the idea.

You can run the codes by follow this guide.

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

Here is how you do it on your car. (below)

Please let us know what happens.

Cheers, Ken

Images (Click to enlarge)

Nov 13, 2017 at 1:40 PM