how to tell if it shifts out of second? - DodgeIntrepid.Net Forums - Dodge Intrepid, Concorde, 300m and Eagle Vision chat
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post #1 of 24 (permalink) Old 05-08-2009, 11:37 PM Thread Starter
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how to tell if it shifts out of second?

i have read about a problem with a sensor in the transmission that cause it not to shift out of second. i think i may have this problem but how do i tell?

when i am driving it accelerates then shifts in to second. i think it stays there becuase if i step on it then it down shifts and revs shoot up.

if this is a bed sensor is it bad for the transmission?
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post #2 of 24 (permalink) Old 05-08-2009, 11:41 PM
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Is the check engine light on? Chances are the car is in limp mode, and needs serviced... Could be the sensors, could be the solenoid pack, could be crappy fluid or a clogged filter. If you can have diagnostics pulled if the check engine light is, and let us know.
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post #3 of 24 (permalink) Old 05-08-2009, 11:44 PM Thread Starter
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no the check engine light is not on. does that mean i am good? if it is in limp mode whats it cost to fix?
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post #4 of 24 (permalink) Old 05-09-2009, 12:18 AM
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check engine light will not come on for transmission problems. You need to take it to a transmission shop and have it scanned for trouble codes in the transmission.
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post #5 of 24 (permalink) Old 05-09-2009, 12:23 AM
 
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jdnet tranny codes come on for general motors vechicles. do they not come on for mopars?
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post #6 of 24 (permalink) Old 05-09-2009, 12:32 AM
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I love how you just said that as it DOES come on for the torque convertor not locking up, it comes on when there are issues with the solenoid pack and so on, it may not on second gen, but it sure does on first, may not be very detailed, but it does come on when the transmission is failing...
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post #7 of 24 (permalink) Old 05-09-2009, 12:35 AM
 
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I thought so also but i wasnt sure.
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post #8 of 24 (permalink) Old 05-09-2009, 12:49 AM
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jdnet tranny codes come on for general motors vechicles. do they not come on for mopars?
Yes, it will come on on the Chryslers. ECM code will be P0700, indicating a diagnostic code has been set in the transmission controller. Then you have to get that scanned, it will not come up thru the key dance.

To the OP, sounds like it may be input/output sensors. Is the speedometer working? If it is stuck in second you will only be able to hit about 40 mph.
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post #9 of 24 (permalink) Old 05-09-2009, 01:26 AM
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Yes, it will come on on the Chryslers. ECM code will be P0700, indicating a diagnostic code has been set in the transmission controller. Then you have to get that scanned, it will not come up thru the key dance.

To the OP, sounds like it may be input/output sensors. Is the speedometer working? If it is stuck in second you will only be able to hit about 40 mph.
yeah thats what I meant.
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post #10 of 24 (permalink) Old 05-09-2009, 01:37 AM
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Just curious.... How was autozone able to tell with a normal scanner about my Torque Convertor issues, and 3rd/4th gear ratios if the computer can't output normal transmission codes? Or am I just a BIT confused?
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post #11 of 24 (permalink) Old 05-09-2009, 01:37 AM
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Just curious.... How was autozone able to tell with a normal scanner about my Torque Convertor issues, and 3rd/4th gear ratios if the computer can't output normal transmission codes? Or am I just a BIT confused?
It just wont do it in the key dance. You can usually pull the codes with the little hand held scanners they use.
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post #12 of 24 (permalink) Old 05-09-2009, 01:45 AM
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transmission codes

Many of the common trans problems will trigger the MIL (check engine light) and show a fault codes of P0700 - which is simply a "general transmission" problem. sometimes you will also get secondary codes reported to an OBD II scanner, such as P1776 which can help isolate the problem. other times you actually need a DRB3 scanner (very expensive - dealers and well-equipped shops have them) to drill down further into the fault code menu.

whether or not your MIL is on, check the system for codes ( key on,off,on,off,on)
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post #13 of 24 (permalink) Old 05-09-2009, 01:47 AM
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Ahh ok, I was confused, because that's how I knew what was wrong with mine was just the cheap one autozone uses....
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post #14 of 24 (permalink) Old 05-09-2009, 01:52 AM
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it could be an input sensor, output sensor (your speedo and cruise will not work), solenoid pack (common problem) or valve body problem. oh, it could also be a bad relay or a misadjusted shift cable. I recently had a P700/P1776 combo - and I also have an 02. since there is a TSB stating that the P1776 indicates a problem with the valve body, any solenoid pack build within a certain date range in 02-04 is suspect. so I replaced both the valve body and solenoid pack and I am back on the road. tell ya what, it was no fun when it hit limp mode at 70mph! replacing the sensors is easy and cheap. replacing the valve body or solenoid pack isn't too bad. actually, I found the worst part to be unplugging the stupid wiring connector and disconnecting the shift cable. oh, and only use ATF+4 !!! mopar, valvoline, castrol, and others make ATF+4.
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post #15 of 24 (permalink) Old 05-09-2009, 02:00 AM
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The quick cheapo scanners at autozone are fairly decent = but they lack some of the custom codes. When cars switched from ODB I (pre 1996 - each manufacturer had its own proprietary connector) to ODB II, the EPA mandated that all mfrs share at least some common codes that apply to all cars. each mfr is allowed to use additional custom codes for other items, but thats where the specialty scanners come in. Mopar uses their ODB3. the last I saw, those cost several thousand dollars. I have over $1k invested in my scanners, but I dont have ODB3 functionality.
anyway, the cheapo scanners are pretty cool for the price - or free if you stop by autozone. but they can lead to misdiagnosis. better scanners also have the ability to show you snapshots of all sensor readings when an error occurred, and also let you read the live data from the sensors. I had a friend recently call because autozone said he needed new O2 sensors. all 4 of them. pretty pricey on his Isuzu. I hooked up my scanner and determined that only one of the 4 O2 sensors was bad.
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