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 Post subject: Re: Hard shift with P0700, P0714 and solution
PostPosted: Sat Oct 14, 2017 5:17 pm 
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Great thread,

After a TB failure and complete head exchange the jeep was running perfect. Then got both of these codes (P0700 and P0714). Took all those connectors near the TCM and cleaned / dried them as stated. Put it back together and was going down the driveway when the CELs codes came back. Hum I remembered I thought I was going to snap the TCM harness connector bolt loosening it for the tear down. Got my 8mm back on it and cranked it while moving the plug with the other hand. Bingo, first test drive and she's back to normal.

Bottom line, that TCM plug connector 8mm bolt needs to be very tight!

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Purchased 2006 LIberty CRD 82K 01/16
SS Cat Back Exhaust, Full EGR Delete,Provent, Michelin 245/70 R16 AT/2
Stock Tune, Serpentine Belt Service,160 Amp Alternator
10/17 96K, New Head, Injectors, ARP Studs, HDS T-Stat
04/18 99K, New Reman Trans
09/18 104K, Lift Pump
01/19 106K, OME Lift, Eaton TruTrac LSD in new rebuilt diff


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 Post subject: Re: Hard shift with P0700, P0714 and solution
PostPosted: Mon Oct 30, 2017 12:59 pm 
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So after a 800 mile CEL free trip the jeep sat a couple days. I went to down the driveway, got a hard shift and I got the CEL light and the same P0700 and P0714 codes again? Cleared the codes, cycled the key a couple times and the tranny works normal again. This seems to happen each time the jeep sits, wondering if the P0700 code (thermister) is tripping the P0714 code. I'm gonna rebuild the entire tranny (have experience just not with this model) but looking for answers for these symptoms?

Thanks

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Purchased 2006 LIberty CRD 82K 01/16
SS Cat Back Exhaust, Full EGR Delete,Provent, Michelin 245/70 R16 AT/2
Stock Tune, Serpentine Belt Service,160 Amp Alternator
10/17 96K, New Head, Injectors, ARP Studs, HDS T-Stat
04/18 99K, New Reman Trans
09/18 104K, Lift Pump
01/19 106K, OME Lift, Eaton TruTrac LSD in new rebuilt diff


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 Post subject: Re: Hard shift with P0700, P0714 and solution
PostPosted: Mon Oct 30, 2017 1:19 pm 
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P0700 is just a generic transmission fault.
I dont know what a P0714 is.

If you suspect it is the trans temp sensor, the sensor is part of the solenoid pack.
The solenoid pack is on top of the valve body and can be replace separately.

But first.
Check fluid level. It should be above the full hot mark.
When was the last time the fluid and filter were changed?
Also, when first starting it up when cold, let it idle in N for about a minute before putting it into D or R.

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 Post subject: Re: Hard shift with P0700, P0714 and solution
PostPosted: Sat Apr 14, 2018 7:57 pm 
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The long PO714 code saga continues. After investing in a used Snap-On Solus Edge scanner that can "quick learn" the 545RFE transmission I went ahead and bought a reman tranny from streetsmart. I r&r'd the unit and did the quick learn. The Edge scanner is really nice, it can scope all the tranny signals real time. I saw good temp volt and good temp signals. Then after a test drive the check engine light came on again. Got same P0700(engine code for a trans fault) and P0714 (trans intermittent temp signal from the TCM). OMG it must be the dang TCM so I got an ebay unit. Did the quick learn again and all was fine, good signals, then another test drive. Then the check engine light back on (P0714 again) and wild signals?

Really suffering here regarding this issue, any suggestions welcome. I guess it's time to trace the harness for broken/bad connections?

Thanks for reading, feel better just typing the issue out to the list. I can post pictures of the wild signals if anyone is interested. Some of that old dynamite laying out back is sounding pretty redemptive right now.

dp

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Purchased 2006 LIberty CRD 82K 01/16
SS Cat Back Exhaust, Full EGR Delete,Provent, Michelin 245/70 R16 AT/2
Stock Tune, Serpentine Belt Service,160 Amp Alternator
10/17 96K, New Head, Injectors, ARP Studs, HDS T-Stat
04/18 99K, New Reman Trans
09/18 104K, Lift Pump
01/19 106K, OME Lift, Eaton TruTrac LSD in new rebuilt diff


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 Post subject: Re: Hard shift with P0700, P0714 and solution
PostPosted: Sat Apr 14, 2018 8:32 pm 
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vwroad87 wrote:
I guess it's time to trace the harness for broken/bad connections?

That would be the direction I would go.

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 Post subject: Re: Hard shift with P0700, P0714 and solution
PostPosted: Mon Apr 16, 2018 2:17 am 
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After spending the night in the schematic I saw the thermistor was grounded via the harness. When I r&r the head I disconnected the harness to move it out of the way. I did re-attached the harness ground over by the TCM upon re-installation of the head. We what the heck, removed the ground, cleaned with CRC and tightened that f'r up.

OMG, problem gone! Check your grounds!!!! That wild signal and "ghost" problem should have been the clue to a faulty ground.

CHECK YOUR GROUNDS

I appreciate this list, it's cathartic.

dp

_________________
Purchased 2006 LIberty CRD 82K 01/16
SS Cat Back Exhaust, Full EGR Delete,Provent, Michelin 245/70 R16 AT/2
Stock Tune, Serpentine Belt Service,160 Amp Alternator
10/17 96K, New Head, Injectors, ARP Studs, HDS T-Stat
04/18 99K, New Reman Trans
09/18 104K, Lift Pump
01/19 106K, OME Lift, Eaton TruTrac LSD in new rebuilt diff


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 Post subject: Re: Hard shift with P0700, P0714 and solution
PostPosted: Wed Apr 25, 2018 4:22 pm 
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vwroad87 wrote:
After spending the night in the schematic I saw the thermistor was grounded via the harness. When I r&r the head I disconnected the harness to move it out of the way. I did re-attached the harness ground over by the TCM upon re-installation of the head. We what the heck, removed the ground, cleaned with CRC and tightened that f'r up.

OMG, problem gone! Check your grounds!!!! That wild signal and "ghost" problem should have been the clue to a faulty ground.

CHECK YOUR GROUNDS

I appreciate this list, it's cathartic.

dp


AND the problem is back, P0218 and P0714. I may sell this thing, really frustrated. Anyone having this issue? Anyone know about this fix:

http://www.greatlakes4x4.com/showthread.php?t=280280

I have tried an online TCM and it had the same issue, thought is was the ground but that was another ghost is seems! GDE talked with me and they have did not have any suggestions except map the wiring harness. Can someone peak at that posted schematic and confirm the temp sensor is running with the speed sensor?

Schematic: https://www.obd-codes.com/forums/viewtopic.php?t=16122

Other references:

http://www.jeepforum.com/forum/f9/help-me-p0218-p0714-codes-1369094/
https://wranglertjforum.com/threads/need-help-please-with-codes-p0218-and-p0714.5063/

_________________
Purchased 2006 LIberty CRD 82K 01/16
SS Cat Back Exhaust, Full EGR Delete,Provent, Michelin 245/70 R16 AT/2
Stock Tune, Serpentine Belt Service,160 Amp Alternator
10/17 96K, New Head, Injectors, ARP Studs, HDS T-Stat
04/18 99K, New Reman Trans
09/18 104K, Lift Pump
01/19 106K, OME Lift, Eaton TruTrac LSD in new rebuilt diff


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 Post subject: Re: Hard shift with P0700, P0714 and solution
PostPosted: Wed Apr 25, 2018 8:58 pm 
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I’m pretty sure that the transmission temperature sensor is part of the solenoid pack on top of the valve body.

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 Post subject: Re: Hard shift with P0700, P0714 and solution
PostPosted: Fri Apr 27, 2018 11:18 am 
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flash7210 wrote:
I’m pretty sure that the transmission temperature sensor is part of the solenoid pack on top of the valve body.


Yes that's right and Street Smart Trans is gonna send a new solenoid pack for me to R&R. Steve at SST said he has had to send units to other customers as well for this problem. Not very impressed that SST doesn't check the dang packs before they send them out. Or maybe they do and it's something still on my side after all they do dyno test the trans and one would think they would use a TCM to test and read the cold hot trans fluid as their testing docs state.

The problem is gone currently but will probably be back as soon as I start the jeep this morning. darn I've got it bad for this jeep else it would be off to the auction or worse.

_________________
Purchased 2006 LIberty CRD 82K 01/16
SS Cat Back Exhaust, Full EGR Delete,Provent, Michelin 245/70 R16 AT/2
Stock Tune, Serpentine Belt Service,160 Amp Alternator
10/17 96K, New Head, Injectors, ARP Studs, HDS T-Stat
04/18 99K, New Reman Trans
09/18 104K, Lift Pump
01/19 106K, OME Lift, Eaton TruTrac LSD in new rebuilt diff


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 Post subject: Re: Hard shift with P0700, P0714 and solution
PostPosted: Wed May 02, 2018 3:21 am 
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Well here is an update, got the new solenoid pack installed and used a lubelock gasket on the pan. Recommend the lubelock gasket, no rtv needed! The new solenoid pack worked perfectly temperature sending wise until it didn't. So it's not the solenoid pack. Really struggling with this issue. It must be something I did when I disconnected the wiring harness for the head repair. Funny thing is a battery disconnect seems to reset the problem until the "system" warms up. As always any suggestions welcome.

_________________
Purchased 2006 LIberty CRD 82K 01/16
SS Cat Back Exhaust, Full EGR Delete,Provent, Michelin 245/70 R16 AT/2
Stock Tune, Serpentine Belt Service,160 Amp Alternator
10/17 96K, New Head, Injectors, ARP Studs, HDS T-Stat
04/18 99K, New Reman Trans
09/18 104K, Lift Pump
01/19 106K, OME Lift, Eaton TruTrac LSD in new rebuilt diff


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 Post subject: Re: Hard shift with P0700, P0714 and solution
PostPosted: Sat May 05, 2018 5:00 pm 
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vwroad87 wrote:
Well here is an update, got the new solenoid pack installed and used a lubelock gasket on the pan. Recommend the lubelock gasket, no rtv needed! The new solenoid pack worked perfectly temperature sending wise until it didn't. So it's not the solenoid pack. Really struggling with this issue. It must be something I did when I disconnected the wiring harness for the head repair. Funny thing is a battery disconnect seems to reset the prolblem until the "system" warms up. As always any suggestions welcome.


Here's an update for anyone reading my sad tale. Looks like the connector is bunk at the TCM, should have done the easy first, Occam's Razor. This pictureImage shows the bad thermistor terminal.

Does anyone know the style of this connector and what tool is required to remove the pins? I'm handy with molex connectors and have those tools just not familiar with this fancy automotive connector.

Thanks.

_________________
Purchased 2006 LIberty CRD 82K 01/16
SS Cat Back Exhaust, Full EGR Delete,Provent, Michelin 245/70 R16 AT/2
Stock Tune, Serpentine Belt Service,160 Amp Alternator
10/17 96K, New Head, Injectors, ARP Studs, HDS T-Stat
04/18 99K, New Reman Trans
09/18 104K, Lift Pump
01/19 106K, OME Lift, Eaton TruTrac LSD in new rebuilt diff


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 Post subject: Re: Hard shift with P0700, P0714 and solution
PostPosted: Wed May 09, 2018 8:48 pm 
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vwroad87 wrote:
vwroad87 wrote:
Well here is an update, got the new solenoid pack installed and used a lubelock gasket on the pan. Recommend the lubelock gasket, no rtv needed! The new solenoid pack worked perfectly temperature sending wise until it didn't. So it's not the solenoid pack. Really struggling with this issue. It must be something I did when I disconnected the wiring harness for the head repair. Funny thing is a battery disconnect seems to reset the prolblem until the "system" warms up. As always any suggestions welcome.


Here's an update for anyone reading my sad tale. Looks like the connector is bunk at the TCM, should have done the easy first, Occam's Razor. This pictureImage shows the bad thermistor terminal.

Does anyone know the style of this connector and what tool is required to remove the pins? I'm handy with molex connectors and have those tools just not familiar with this fancy automotive connector.

Thanks.


So here is the real damage that gave the faulty P0714 intermittant temp signal from the transmission.

Image


Seems that jeep went cheap. The pin on the left is from a gasoline liberty 2002 connector, the one on the right came out of my connector. You can see the damage to the pin, seems that a loose fit caused excessive electrical corrosion and the pin is also of inferior quality, actuaries come to mind. You can find this connector on many jeep models, the donor connector cost me 10 bucks at a pick n pull.

These pins are different and I had to modify the connector housing a bit but the repair works. Would advise getting correct replacement pin for your rebuild.

Will advise if I still have issues but this should close this drama on the jeep, off to another.

_________________
Purchased 2006 LIberty CRD 82K 01/16
SS Cat Back Exhaust, Full EGR Delete,Provent, Michelin 245/70 R16 AT/2
Stock Tune, Serpentine Belt Service,160 Amp Alternator
10/17 96K, New Head, Injectors, ARP Studs, HDS T-Stat
04/18 99K, New Reman Trans
09/18 104K, Lift Pump
01/19 106K, OME Lift, Eaton TruTrac LSD in new rebuilt diff


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 Post subject: Re: Hard shift with P0700, P0714 and solution
PostPosted: Sat May 12, 2018 6:22 pm 
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Nope that was not the problem, still getting P0714.

I just got done tracing the entire TCM harness for faults, at the end of the rope here. Sent a message to GDE and asked if they can tune my TCM with there eco tune and set a static value for the transmission temp so the fault code goes away.

Love hate relationship with this rig, mostly hate lately, exclusively, often.

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Purchased 2006 LIberty CRD 82K 01/16
SS Cat Back Exhaust, Full EGR Delete,Provent, Michelin 245/70 R16 AT/2
Stock Tune, Serpentine Belt Service,160 Amp Alternator
10/17 96K, New Head, Injectors, ARP Studs, HDS T-Stat
04/18 99K, New Reman Trans
09/18 104K, Lift Pump
01/19 106K, OME Lift, Eaton TruTrac LSD in new rebuilt diff


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 Post subject: Re: Hard shift with P0700, P0714 and solution
PostPosted: Sun May 13, 2018 2:32 am 
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SOLVED!

While I could never find any fault with the harness I removed the wire from pin 54 of TCM, I made a voltage divider out of two 20K Ohm resistors and connected it to pin 54 on the TCM. This produces a 2.35 constant voltage on the pin and the scanner reads a solid 84F. After test driving for an hour and getting everything HOT the tranny works perfectly. I will make my own darn thermistor device and attach it to pin 54 to give the TCM real fluid temps.

I don't care about accurate TCM fluid temps right now, I've got a nice tranny temp gauge and the thing works fantastic. Great TC lockup, great shifting. I was just about to take it to a "professional" but so glad I didn't. One other note, I noticed on a buddies CRD that his tranny temp voltage signal wasn't very stable either but no CEL tranny light?

Nightmare over

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Purchased 2006 LIberty CRD 82K 01/16
SS Cat Back Exhaust, Full EGR Delete,Provent, Michelin 245/70 R16 AT/2
Stock Tune, Serpentine Belt Service,160 Amp Alternator
10/17 96K, New Head, Injectors, ARP Studs, HDS T-Stat
04/18 99K, New Reman Trans
09/18 104K, Lift Pump
01/19 106K, OME Lift, Eaton TruTrac LSD in new rebuilt diff


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 Post subject: Re: Hard shift with P0700, P0714 and solution
PostPosted: Sun May 13, 2018 8:35 am 
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Thats friggin awesome!
Personally, I would use a potentiometer so I could dial in the exact temp I wanted.
Just make sure that the trans shifts though all the gears and you get TC lockup.

You can add your own trans temp gauge by either putting the sensor in the pan or tapping into the cooler line out the the trans cooler.
Myself, I used a $10 digital temp meter and zip tied the sensor to the cooler line and wrapped it in rubber insulation. Not the best setup but it works reasonably well.

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 Post subject: Re: Hard shift with P0700, P0714 and solution
PostPosted: Sun May 13, 2018 4:26 pm 
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flash7210 wrote:
Thats friggin awesome!
Personally, I would use a potentiometer so I could dial in the exact temp I wanted.
Just make sure that the trans shifts though all the gears and you get TC lockup.

You can add your own trans temp gauge by either putting the sensor in the pan or tapping into the cooler line out the the trans cooler.
Myself, I used a $10 digital temp meter and zip tied the sensor to the cooler line and wrapped it in rubber insulation. Not the best setup but it works reasonably well.


I have a deep aluminum pan with a lubelock gasket, NO RTV NEEDED. The pan holds an extra 3 or 4 quarts. The pan has a drain plug and a hole for a 1/8 NPT sensor, I installed a glowshift, works great. I notice 20F from the cool side of the cooler to the pan temp.

Took the rig on a hour test drive with a snap-on solus edge scanner watching the TC lockup and gears, works perfect! Temporary fix until I get my CRD P0714 fix kit ready for resale, ha ha.
Got that scanner for 900.00 on ebay with 2016 software, such a deal, so glad. Cars: I won't own it if I can't fix it!
Image

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Purchased 2006 LIberty CRD 82K 01/16
SS Cat Back Exhaust, Full EGR Delete,Provent, Michelin 245/70 R16 AT/2
Stock Tune, Serpentine Belt Service,160 Amp Alternator
10/17 96K, New Head, Injectors, ARP Studs, HDS T-Stat
04/18 99K, New Reman Trans
09/18 104K, Lift Pump
01/19 106K, OME Lift, Eaton TruTrac LSD in new rebuilt diff


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 Post subject: Re: Hard shift with P0700, P0714 and solution
PostPosted: Sun May 13, 2018 6:13 pm 
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BRAVO

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 Post subject: Re: Hard shift with P0700, P0714 and solution
PostPosted: Sun May 13, 2018 9:56 pm 
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That's Great! :BANANA:
Nothing like figuring things out for yourself....

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 Post subject: Re: Hard shift with P0700, P0714 and solution
PostPosted: Tue May 15, 2018 10:12 pm 
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Just a happy update to share, here is the deep finned aluminum pan in action. 75MPH on an 80F day cruising along.

Image

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Purchased 2006 LIberty CRD 82K 01/16
SS Cat Back Exhaust, Full EGR Delete,Provent, Michelin 245/70 R16 AT/2
Stock Tune, Serpentine Belt Service,160 Amp Alternator
10/17 96K, New Head, Injectors, ARP Studs, HDS T-Stat
04/18 99K, New Reman Trans
09/18 104K, Lift Pump
01/19 106K, OME Lift, Eaton TruTrac LSD in new rebuilt diff


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 Post subject: Re: Hard shift with P0700, P0714 and solution
PostPosted: Wed May 16, 2018 7:47 am 
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Good looking gauge! :rockon:

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Week's BatteryTray
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Carter Intank-pmp
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