Working: Torque App trans temp - JeepForum.com
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post #1 of 17 Old 03-19-2017, 07:02 PM Thread Starter
mb81
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Working: Torque App trans temp

I just posted this on another thread buried in this forum, but thought I'd post my victory for others to enjoy.

I think I got it working. It's taken me a while because it hasn't been top priority of mine, but here ya go...

To get Torque App to read trans temp on my 2006 Grand Cherokee WK:
- Go to settings, manage customer OBD2 PIDs, select from predefined the last one [Chrysler]Transmission Temp (Jeep Pre 2012)... click it and select EDIT.

- Change the top field (OBD2 Mode and PID...) to 2118, leave the min/max, scale factor, and unit type (F* set elsewhere in settings), and equation alone. (Should be ((A*256)+B)*(1/64).

- Change the "OBD Header to use" to 7E1.

It will read the correct temp when the vehicle is running. (At least it did with mine).

Hope it works for any and all. Please let me know if it does. I'd like to think the time and money I spent on this wasn't a complete waste. Thanks!

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post #2 of 17 Old 03-19-2017, 11:45 PM
underscore
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Did you try using the post-2012 Chrysler PID?

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post #3 of 17 Old 03-20-2017, 06:20 AM Thread Starter
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Yes, but I have the 545-RFE trans. The PID and formula are not correct for the 2012+. None of the predefined ones worked for my jeep model.
I guess I should have mentioned my set up in the original post.
When I bought mine last summer it was having the trans over temp issue. A new PCM fixed that, but initially I wanted to monitor the temp, like everybody else, and torque didn't have it like I thought it would... but now it does!
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post #4 of 17 Old 03-20-2017, 07:30 AM
Nejeep
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I also have the Torque app and the post-2012 Chrysler PID works with my 06 WK with NAG1 transmission when its in Drive (not Park).

Good to know there is a way to use it for the 545-RFE trans.

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post #5 of 17 Old 03-21-2017, 09:47 AM
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Quote:
Originally Posted by Nejeep View Post
I also have the Torque app and the post-2012 Chrysler PID works with my 06 WK with NAG1 transmission when its in Drive (not Park).

Good to know there is a way to use it for the 545-RFE trans.
What is the average operating temp for this trans? had my filter changed and the pan droped and refilled and im around 176 on the high way with 32inch mud terrains.
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post #6 of 17 Old 03-21-2017, 12:19 PM
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I have not monitored the trans temp on the road, just used it for checking the trans fluid level, but I seem to recall others indicating they run in the same temp range as yours.

EDIT: Found an older discussion, here the link.
http://www.jeepforum.com/forum/f67/t...l-app-3702369/

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post #7 of 17 Old 03-21-2017, 01:07 PM
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Atf4 starts to shear around upper 200*. Short spikes are ok but prolonged high temp will ruin the fluid and then the transmission.
I'd change mine if it ever got to 250* just to be on the safe side. Anything less I wouldn't worry about.
If you can put a temp sender in the hot line coming from the transmission before it reaches the cooler, you can see the hottest temps the fluid will reach right out of the torque converter.
It's a good place to monitor the fluid temps.
Remember, if your fluid is sheared then it's not going to protect the transmission.
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post #8 of 17 Old 03-22-2017, 09:17 PM
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I have seen a few postings about this and get conflicting info. Has anyone gotten this to work on WJ? Mines a 2002 4.7
I have the Torque Pro and would love to be able to monitor my tranny. I'm using the Bafx adapter. Thinking of upgrading it to a better one such as the ScanTool.

Also I have yet to see what PID stands for.....

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post #9 of 17 Old 03-22-2017, 11:49 PM
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In my industry it stands for "proportional–integral–derivative", but that's for control systems.

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post #10 of 17 Old 03-23-2017, 09:11 PM
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Originally Posted by GhostJeepWJ View Post
Also I have yet to see what PID stands for.....
Parameter ID.

What a letdown, right?
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post #11 of 17 Old 03-23-2017, 09:58 PM
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post #12 of 17 Old 03-23-2017, 10:01 PM
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I like Polka's better....lol
Parameter ID was to much of a let down!.....lol

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post #13 of 17 Old 03-25-2017, 12:03 PM Thread Starter
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As I understand it, 2002 obd2 used the ISO 9142-2 protocol, so the diagnostic port pinout is different from my 06 using CAN ISO 15765-4. I built a cable to listen to traffic on that port, but would need to modify it to work on your system (and do more research on it in general).
If I can locate someone nearby with a 4.7 WJ who wouldn't mind me messing around, I'll see what I can come up with for you.

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post #14 of 17 Old 03-25-2017, 08:48 PM
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That sounds awesome!!! Us 4.7 owners would love it!...lol

Quote:
Originally Posted by mb81 View Post
As I understand it, 2002 obd2 used the ISO 9142-2 protocol, so the diagnostic port pinout is different from my 06 using CAN ISO 15765-4. I built a cable to listen to traffic on that port, but would need to modify it to work on your system (and do more research on it in general).
If I can locate someone nearby with a 4.7 WJ who wouldn't mind me messing around, I'll see what I can come up with for you.

If you want to achieve greatest, stop asking for permission!!

2002 Grand Cherokee Overland 4.7 HO
2" IRO Spring Lift w/Bilstein 5100s 245/75/R17 Goodyear Armour Shield



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post #15 of 17 Old 04-04-2017, 04:06 AM
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Meh. Bought a bluetooth adapter and the Torque Pro app...this won't work on my '08. At least as described here. No data comes through. :huh:

Any input?

Also, where TF is the oil pressure PID?

08 Limited Hemi - wheels, tires, springs...ya know, stuff
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