Question about 2007 Cadillac DTS Sedan

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Transmission shifting problem

Transmission does not shift into high gear

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  • Expert
  • 103 Answers

Check fluid. If that's good, you have a bigger problem. Try scanning for codes first.

Posted on Mar 21, 2014

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Posted on Jan 02, 2017

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j_del
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SOURCE: Transmission problems

First off, I'd try changing the fluid and filter in the transmission. I know a lot of cars claim "lifetime fluid" - it's BS. Believe me, even the lifetime fluids get very dirty. Change out the fluid and filter, and you could even add some Lucas stabilizer to it - that may well help cure the problems.

When the transmission goes completely, it may lock up the drive wheels, sending you into a careening slide, or it may kick out to neutral and coast to a stop. It's also possible that if it flat-out blows, it could fragment inside and you'd hear what sounds like bolts in a blender as you coast to a standstill.

Discounting the transmission blowing up, and just looking at driving in a drive gear other than overdrive, you're looking at more heat in the transmission due to the higher gear RPM, shorter fluid life, possible slippage of the bands down the road due to heat, and of course decreased gas mileage due to the engine running at higher RPM.


Posted on Aug 09, 2008

emissionwiz
  • 76673 Answers

SOURCE: Transmission problem

if AAMCO charged you for this faulty diagnosis (sounds like they guessed), because the PCM rarely is the problem on any GM product, less than 3% is the factory stat, and yes they track these things, anyway if they charged u make them refund the money because they screwed up, u say a pin is an open circuit? that is where to concentrate your focus.i

Posted on Jan 22, 2009

localwonder
  • 6784 Answers

SOURCE: transmission will not shift from low gear.

ok, its the shift solenoid that is malfunctioning here. replacing it will fix this issue.also, check the transmission fluid to see if its low.

Posted on Mar 16, 2009

  • 51 Answers

SOURCE: Where is the shift selinod located at. how hard

remove the transmission pan they are bolted to the valve body inside the pan.

Posted on Mar 16, 2009

  • 5 Answers

SOURCE: transmission shifting problems

You need to have it checked out by a mechanic as soon as possible, I drive a 2000 cadillac catera and it began to have the same problems about 4 months ago but last month my sport mode button began to blink which means a transmission problem. So when i had it looked at they said my 3rd gear was almost completely burnt out and it cost $2,000 to fix. The cause was a broken piece of the transmission was failing and it had to be completely rebuilt. Good luck!!

Posted on Jun 03, 2009

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1 Answer

Transmission won't shift into high gear.


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Transmission in chevy silverado 1500 5.3L v8 will not shift from 2-3 gear transmission has been rebuilt and 2-3 shift solenoid was changed but still will not shift from 2-3 gear


For gear shift issues and gear stuck issues,the help links are provided below. Click the link below to go through troubleshooting procedure:---- ---- Car will not move when in gear?


http://repairhelpcenter.blogspot.in/2012/02/car-will-not-move-when-in-gear.html ---- transmission sticks in first gear? http://technoanswers.blogspot.com/2012/01/mercedes-benz-transmission-sticks-in.html ----- Transmission not engaging in first gear? http://technoanswers.blogspot.com/2012/01/mercedes-benz-not-engaging-in-first.html ----- Vehicle only goes in First gear?

http://howtobyme.blogspot.com/2011/11/chrysler-pt-cruiser-only-goes-in-first.html


----

Car is stuck in park and the shift will not move?

http://howtobyme.blogspot.com/2011/08/car-is-stuck-in-park-and-shift-will-not.html


---- Engine will not go out of park mode? http://technoanswers.blogspot.in/2012/02/2002-nissan-sentra-will-not-go-out-of.html ---- Car stuck in park? http://technoanswers.blogspot.in/2012/02/nissan-sentra-stuck-in-park.html ----- Car will not come out of Park?

http://howtobyme.blogspot.com/2011/11/car-will-not-come-out-of-park.html

-----
Automatic transmission will not go into high gear?

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----- Auto wont shift from park? http://schematicsdiagram.blogspot.com/2011/12/ford-taurus-wont-shift-from-park.html ---- Car Transmission will not go into Park mode?

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---- Third gear missing and engine losing power?

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----- Hard to shift gears on Manual transmission?

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------ Car hard shift at slow speeds?

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--- Automatic transmission shift lever hard to move on cold mornings?

http://technoanswers.blogspot.com/2012/01/automatic-transmission-shift-lever-hard.html
------ Gear shifts hard?

http://schematicsdiagram.blogspot.in/2012/02/2000-nissan-maxima-shifts-hard.html
------- Vehicle noticed sluggish delayed shifts while driving?

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-------

This will help.

Thanks.

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2 Answers

My 1993 Gmc Sierra 2500 automatic first gear shifts hard also from park to drive others gears are smooth i have overdrive


The gear shift lever indicators tell you what gear you have an automatic transmission in on your vehicle. The shift solenoid tells the transmission when to shift gears and what gear to shift into. Newer model automatic transmissions have electronic shift solenoids that are activated and change gears based on the speed the vehicle is traveling. Troubleshooting either one of these transmission components is relatively easy if you know a little about automobile mechanics. With the right tools, you can determine whether the transmission shift solenoid is having a problem. Gear shift indicator problems can be determined simply by moving the gears into their designated position.
Transmission Shift Solenoid
  • 1 Raise each corner of the vehicle up with the car jack and place jack stands under the frame. Make sure the car is raised high enough so you can work under the car freely.
  • 2 Slide the drain pan under the transmission fluid drain plug. Remove the drain plug with a ratchet and socket, and let all the fluid drain out of the transmission. Remove the transmission pan bolts with a ratchet and socket. Pull the pan away from the bottom of the transmission, revealing the transmission shift solenoid.
  • 3 Wipe off the shift solenoid with a shop towel. Disconnect one of the two plugs that attaches to the shift solenoid. Turn the knob on the volt meter to the ohms setting, so resistance can be measured. Set the volt meter on 200.
  • 4 Take the black lead of the volt meter and touch the negative battery terminal wire. Take the red lead of volt meter and slide the tip into the terminal plug you just disconnected from the shift solenoid. Look at the reading you get on the digital display of your volt meter. Determine if the reading is between 12 and 25. Readings below 12 or above 25 tell you that the shift solenoid is not working. Reattach the plug to the shift solenoid and pull the second plug attached to the solenoid. Perform the same procedures on this plug wire. Replace the transmission shift solenoid after determining it is bad.
Gear Shift Indicator
  • 1 Move the gear shift into the desired gear. Look at the gear labels and the arrow, or other indicator, to see if the gear shift indicator lines up with the selected gear.
  • 2 Move the gear lever to another gear and look to see if the indicator lines up with the selected gear. Misalignment of the arrow will tell you if there is a problem. Moving the gear shift to "neutral" but having the indicator show the transmission is in "drive" tells you the gear shift indicator is not working properly.
  • 3 Try each gear position to determine how much misalignment is in the indicator. Slide under the car and check for a loose gear shift cable. Check all the gear shift cable connections to ensure they are all tight and are not missing. Tighten any loose gear shift cable clamps or bolts. Replace the gear shift cable if you find that this is causing the misalignment with the gear shift indicator.

Feb 02, 2012 | 1993 GMC Sierra

1 Answer

Will not shift into high gear, arrow light does not come on


it sounds like a transmission issue if its not shifting into third gear id have it looked at as soon as possible you dont want to mess the whole transmission up

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