I have a Pontiac g6. its not shifting into third and four gear. Is it the transaxle control module?

Asked by Feb 06, 2014 at 08:48 PM

Question type: Maintenance & Repair

6 Answers

I'd start with the basics...the fluid level HOT...look at the dipstick and fill up to the hot mark....check the stick to see if the transmission fluid is black or smells burned~ look for leaks if the level is low~

1 of 1 people found this helpful.

The tranny is controlled by the PCM, it controls the engine also. It's more likely that your tranny is failing. When you check the fluid, check the color.

1 of 1 people found this helpful.

These do not have a dipstick so you have to stick something clean into the check plug to get a sample to check the color. Here is a pic of the plugs.

2 of 2 people found this helpful.

You've probably got the same transmission in your G6 as I have in my Grand Prix. This is a common problem with them. There's a shaft inside the transmission that wears and when it does you lose 4th gear and torque converter lock up. It's about $1,500 to fix. When I drive my Grand Prix I just leave it in 3rd. Gas mileage will suffer but it won't hurt anything. HTH. -Jim

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It's close the 60/65 are for the larger cars and the 40/45 are for the smaller cars. They probably share part design. There are some differences that I know of.

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If the fluid is burnt and/or has alot of clutch pad material Lucus tranny fix may help for awhile. My 4T60e in my Monte has a bad slip in OD. I'll dump in the Lucus untill it goes then swap it out.

3 of 3 people found this helpful.

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