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Old 05-10-2017, 10:20 PM   #1 (permalink)
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Default Transmission slipping? Possible overdrive problem?

Hello,
My transmission on my '95 Sidekick JLX (automatic transmission, 131,000 miles) seem to be slipping. It will move forward and lose power when beginning to drive from a stop then resume normal operation. When this is happening the overdrive light flashes on the dash a few times. A friend said it may be my overdrive solenoid but figured I would ask on here for your opinions. Any help would be appreciated.
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Old 05-11-2017, 04:47 AM   #2 (permalink)
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Welcome to the forum! I guess the first thing to ask is which transmission do you have? There is the 3 speed mechanical transmission and the 4 speed electronic one. From your post, it would seem the 4 speed electronic one. That is run by a computer/solenoids for shifting, and you are already advising that the O/D light is blinking when your problem arises. Just curious if your check engine light is on with the key on and off when running - as sometimes the main computer will pick up tranny codes, as well. But even if not, you should put the jumper wire into the tranny diagnostic connector, and drive. When your problem arises, that O/D light will start spitting out a code. When it does, pull over, but do NOT turn off your car, as the light will stop flashing. You need to count the flashes to see what code the tranny computer is spitting out. It will work like 'Morse code'....The tranny computer should be by your right knee - in post #15 here, there is a diagram:
http://www.suzuki-forums.com/suzuki-...ard-why-2.html
And if you look at section 7 here, it will give you more info. You have the 03-72LE tranny...
http://acksfaq.com/2016bp.php?urlnam...trackerfsm.htm
By the way, you can disconnect the tranny computer, and then shift manually through your gears. Normally, you would do this just to see if your problem is actually electronic (the computer, solenoids, etc.) or manual. If you do not have the loss of power while shifting manually, it would mean that your problem is electronic.
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Old 05-11-2017, 10:14 AM   #3 (permalink)
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Thank you. The check engine light does not turn on. I do believe it is the 4 speed electronic tranny. Pardon the misunderstanding, I'm not the most mechanically inclined guy, but I can't seem to find the tranny computer? I looked by my left knee. And there are more 'computer like' boxes on that side. Also, I was confused about the jumper cable AND tranny diagnostic computer? Is the jumper cable on the car and the tranny diagnostic computer is something 3rd party purchased from the store or is it part of the car? I will continue looking on my lunch today. Thank you for any help.
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Old 05-11-2017, 10:46 AM   #4 (permalink)
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Update: On the way to work this morning the OD light seems to flash 2 times when the tranny slips. Just in case that helps. Thanks again.
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Old 05-11-2017, 05:54 PM   #5 (permalink)
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If you have the 4 speed electronic tranny, then you will have two computers - one for the engine and one for the transmission. The one for the engine will be behind the speaker on the driver's side of the car. And when that computer is working properly, your check engine light will be on when the key is in the on position, as the computer is doing its self check. Is it on with the key in the on position (before the car starts)? It should be off when the engine is running.
The tranny computer will be up just above your right knee and I believe that the diagnostic connector for it is just to the right of your fuse box - a white box with 6 pins in it...the opening of the connector box may be facing downward in your car. You jump the top right to bottom right pin with a jumper wire - no special tools needed, even a metal paper clip will do - and your O/D light should flash out codes. When you are driving and the O/D light blinks, it just means that the computer is seeing something - it is not blinking out the codes. You need to put the jumper wire in place, for the O/D light to blink the codes.
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Old 06-01-2017, 11:57 AM   #6 (permalink)
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Bex! Thank you for your help! I apologize for getting back after so long but here's the scoop: the O/D light flashes 3 times followed by a 1 second pause then 2 more times. I found a chart online to diagnose the code but it does not include my specific codes that are flashing. Thank you again for all your help!
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Old 06-01-2017, 04:57 PM   #7 (permalink)
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Update: I disconnected the TCM and shifted manually and the problem did not occur. No slipping. So it seems to be isolated to the trouble codes the O/D light was flashing.
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Old 06-02-2017, 05:10 AM   #8 (permalink)
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The good news, then, is that your problem is not a mechanical one with your transmission....it is an electrical one that most probably deals with wiring, solenoids, etc. Rhino has a great site with regard to your problem - your code 31 would mean a problem with the vehicle speed sensor or a short in the wiring. He shows you how to test for this, etc.:
http://www.rhinoman.org/manuals/AW03_TCM/aw03.pdf


By the way, I deleted your duplicate thread regarding this issue.
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Old 06-02-2017, 10:51 AM   #9 (permalink)
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Thanks Bex. I followed the instructions and it read well below the ohm levels that were listed. So now I'm off to change the vehicle speed sensor? I understand (from a comment you left on a different thread) that the sensor is behind the instrument cluster. The local junkyard has a sidekick and, if I remember, the cluster was still there. Do you recommend a used unit? Or should I buy new?
Side note: I got some conflicting google searches regarding the specific part. I'm assuming it is this part

http://m.ebay.com/itm/Vehicle-Speed-...N/142306771823

And not this part

http://www.partsgeek.com/mmparts/abs.../sidekick.html

Thank you again!!!
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Old 06-02-2017, 01:29 PM   #10 (permalink)
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I read your code as 32, which is a short in the TPS, not 31.
See this thread for a little more info, but no resolution.
http://www.suzuki-forums.com/suzuki-...-od-flash.html
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