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  #13  
Old 01-11-2013, 09:23 AM
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Re: P0700 code

Ok , fluid is checked and since I cant smell and gas and other petroleum products Hurt bad . I asked the guys at the Full service gas station i go to to check it for me and it is not burnt at all , still cherry .

So Thats a good sign!
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  #14  
Old 01-11-2013, 10:01 AM
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Re: P0700 code

Quote:
Originally Posted by Yillb View Post
The short didn't cause the tranny to go bad. Everything is electronic, by leaving the battery connected while doing what you did, you may have sent a signal to the PCM that had no other way to recognize that signal other than to read those codes.

THe p0700 like i said is a generic code, and there is probably nothing wrong.

Now you know for next time, never work on electronics with the battery terminals connected.

Hope all is well with the jeep!
The P0700 is a generic code signalling something from the tranny has triggered the MIL lamp to illuminate, as you say, but the series of P0730's that were most recently pulled ARE NOT generic codes and specifically deal with a mis-match between input and output shaft speeds. Further, the codes indicate problems with 1st, 2nd, 3rd, and 4th gear.

While I agree that a short wouldn't cause the transmission to internally fail, a mis-interpreted accidentally applied voltage also wouldn't cause codes that were cleared three times to keep occurring (unless the voltage was still there). Additionally, the trans codes seem to set when put under load (according to the latest post). Whatever set the codes is still a problem and could be:

CUT PISTON SEAL
LOW FLUID LEVEL
CRACKED OR MISINSTALLED PRIMARY OIL FILTER OR SEAL
STUCK OR STICKING MAIN REGULATOR VALVE
FAILED OVERRUNNING CLUTCH
CUT ACCUMULATOR SEAL RING
BROKEN ACCUMULATOR PISTON
BROKEN REACTION SHAFT SUPPORT SEAL RING
LOW LINE PRESSURE
BROKEN / MISSING MAIN VALVE BODY BLEED ORIFICE
BROKEN / MISSING DRIBBLER ORIFICE ASSEMBLY IN REACTION SHAFT SUPPORT
POOR MACHINING ON PUMP VALVE BODY FACE
INPUT SPEED SENSOR AND RELATED WIRING
TRANSMISSION SOLENOID/TRS ASSEMBLY
POWERTRAIN CONTROL MODULE

My money is on the short damaging one of the control systems (such as the PCM), or the electrical work having nothing to do with the current symptoms.

Before the codes kept coming back, I would have completely agreed with the previous post and have said everything is fine...but at this point I think you're asking for trouble if you don't figure out what is wrong.
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  #15  
Old 01-11-2013, 10:10 AM
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Re: P0700 code

A agree DR.Lee.Baugh , That's why i have the appointment . even if there is nothing wrong ,I would rather they tell me that then to have it go out on the highway somewhere.


HMMM , Now that I think about it , the wife's did something similar in her Commander and they found out the Canister filter cracked and was not allowing it to keep pressure in the system.

Hopefully its nothing to bad ( fingers crossed !)
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  #16  
Old 01-11-2013, 10:24 AM
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Re: P0700 code

Here are the exact explanations of the codes from the service manual

P0700-TRANSMISSION CONTROL SYSTEM
(MIL REQUEST) . . . . . . . . . . . . . . . . . . . . . . 753

P0731-GEAR RATIO ERROR IN 1ST . . . . . . . 76

P0732-GEAR RATIO ERROR IN 2ND . . . . . . . 79
P0733-GEAR RATIO ERROR IN 3RD . . . . . . . 85
P0734-GEAR RATIO ERROR IN 4TH . . . . . . . 91

P0876-UD PRESSURE SWITCH
RATIONALITY . . . . . . . . . . . . . . . . . . . . . . . 185
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  #17  
Old 01-11-2013, 10:37 AM
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Re: P0700 code

P0731-GEAR RATIO ERROR IN 1ST (CONTINUED)
4. INTERNAL TRANSMISSION
Repair internal transmission as necessary. Refer to the Service Information.
If there were any line pressure DTC’s present along with this DTC, make sure to inspect the: Primary oil filter and
seal, Transmission Oil Pump, and the Main regulator valve per the Service Information.
If DTC’s P0876 and/or P0875 were present in addition to the P0731, replace the Transmission Solenoid/TRS
Assembly in addition to necessary internal repairs.
Pay particular attention to the following list of possible causes when repairing the transmission condition.
- Cut UD piston seal
- Failed overrunning clutch
- Cut UD accumulator seal ring
- Broken UD accumulator piston
- Broken reaction shaft support seal ring
- Low line pressure
- Broken/missing main valve body bleed orifice
- Broken/missing dribbler orifice assembly in reaction shaft support
- Poor machining on pump valve body face
- Transmission Solenoid/TRS Assembly
View repair.
Repair
Repair internal transmission per the Service Information.
Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1.
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  #18  
Old 01-11-2013, 11:03 AM
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Re: P0700 code

Yes, those internal spin-on type filters are (or at least used to be) known for splitting (there was even a TSB a number of years back). The primary symptom was usually a delayed engagement of drive or reverse after the vehicle had been sitting, but whenever you're dealing with line pressure issues the problem can manifest in different ways.

Like you say, better to get it checked out (especially since it is under warranty) before something major happens.

We'll keep our finger's crossed that it is something simple!
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Old 01-11-2013, 11:18 AM
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Re: P0700 code

Thank , I will keep everyone up to date as things progress ! and thanks for all the help!
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Old 01-11-2013, 12:42 PM
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Re: P0700 code

let erryone know! and Dr.Lee , your probably right.. that seems like a bit to much to keep popping back unless something was still wrong. Im with you! i bet the PCM has got something borked now. What really sucks is usually those extended warranties won't cover PCM issues spyder , hopefully you don't tell them you cased the short if that's the root cause of this! good luck.
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Old 01-11-2013, 03:02 PM
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Re: P0700 code

Quote:
Originally Posted by Yillb View Post
let erryone know! and Dr.Lee , your probably right.. that seems like a bit to much to keep popping back unless something was still wrong. Im with you! i bet the PCM has got something borked now. What really sucks is usually those extended warranties won't cover PCM issues spyder , hopefully you don't tell them you cased the short if that's the root cause of this! good luck.

I would have to 2nd this point emphatically! Do NOT tell them you were mucking around with the wiring before all these problems started!
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Old 01-11-2013, 03:43 PM
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Re: P0700 code

all i told them was I told them was my son threw his book bag under the dash and shorted out the lights and it blew a fuse. they are going to know that i put new lights in though . they are strip lights

I am fully expecting them to say its not covered in the warranty because that's my luck. I expect the worst and hope for the best.
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Old 01-12-2013, 09:18 AM
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Re: P0700 code

I really hope they don't tell you that spyder , unfortuantely, that's in fact the way life just is.

lets wait and see what they say! because honestly, even if you did cause a short.. if the computer on board these things can't circumvent something like that, then i think jeep should look at bigger problems than what's under warranty and not just my $0.02 of course. good luck.
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Old 01-12-2013, 09:23 AM
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Re: P0700 code

Thanks ! A friend of mine that works in the service area managed to get the appointment moved up to first thing Monday Morning . She ask me to write a note with as much detail as possible for them to look at . so here is the note

The problem started the other day when my son threw his book bag under the dash on the passenger side and shorted the dash lights out. So after repairing the light . I replaced the fuse 12 ,under the dash, that was blown , a red 10 amp ) and then when I restarted the jeep and pulled out of the garage The engine light came on and it went into “limp mode” . I shut it down and restarted it .

I stopped and read the codes , They were
P0700
P0731
P0732
P0733
P0734
P0876.
I cleared the codes with my Actron scanner.

After clearing the codes, It still shifted rough through 1st and 2nd gear . First would shift at about 3000 rpm and 2 would bounce to 4000 rpm before settling and running right. It seemed to get better and I drove about 45 miles with no codes . It seem to act normal as long as I didn’t put it under any load ( hit the gas real hard). If I did it would exhibit the symptoms above.

Started it the following day, No codes, got about 2 miles up the road and It started up again with the high rpms. Cleared the codes (P0700, p0732, p0731, p0733, p0734, p0507, P0876) . when we started moving again ,I noticed it would only go up to 3rd gear ( on the dash) . So we stopped and I restarted it ,which took it out of “limp mode “ and we parked it the rest of the night . We also stalled when at a stop light when it seemed like it geared down real hard ( this happened twice)

Stopped over and got gas , Had the guy check the Tranny fluid . It looked pink ,and didn’t have a burnt smell. We did notice That it seemed to be over filled . It was checked with the jeep in neutral and Hot. The fluid was way up on the stick ,about where it bends into a “S” shape.
It seemed to shift really hard even when No codes were present .

I did try the auto stick on day one and It seemed to work fine ( no high Rpms )

And that’s how it sat until I dropped it off here.


atleast so far anyway ...
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