2006 Commander 3.7 V6 W5A580 MB NAG1 - Jeep Commander Forums: Jeep Commander Forum
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post #1 of 22 (permalink) Old 04-02-2015, 10:37 AM Thread Starter
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2006 Commander 3.7 V6 W5A580 MB NAG1

My jeep has 180000 miles and is on limp mode. 2 shops have diagnosed the vehicle for codes only. Neither has opened anything up. Both tell me the same info:

1. TCC Solenoid Circuit Error
2. 2-3 Shift Solenoid Stuck On
3. Transmission Temp Sensor Code
4. Input Sensor 2 Code

Neither gave me the actual code numbers.

One wants to replace the torque converter and "maybe" will find other issues.
The other wants to replace the TC, the TCC Shift Solenoid, the Valve Body plate, and "machine" the valve body. And then..."maybe" other issues.

I have decided to tackle this project myself. I can get the parts for $560 including a floor jack, user manual, transmission fluid kit, and fluid. If I pull the pan and find shavings, I can get a used complete transmission for $775 with 1 year warranty.

Here are my questions. How can either shop be 100% sure that the TC is bad? Is there a chance that only the TCC Solenoid is bad? It would be a lot easier to replace only that, wouldn't need to drop entire transmission.

Also, regardless of what repair I do...solenoid only, solenoid and valve body plate, solenoid, plate, and TC...assuming the problem is fixed...will the codes reset and get out of limp mode or will I need to take it somewhere for that?

Thanks!
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post #2 of 22 (permalink) Old 04-02-2015, 04:46 PM
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Join Date: Jun 2006
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Model year: 2006
Trim Package: Limited
Power-Train: 5.7L V-8 Hemi
4WD
If 4WD - system: QD-II
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By any chance did all of the gears light up on the dash and have brackets around them ?

2006 Steel Blue 5.7L HEMI Limited 4x4 Build Date: June 9, 2006 Hour 14
Interior: Dark Slate/Light Graystone with Saddle Brown Leather Seats
Quadra-Drive II, NAV, DVD, Trailer Tow Group IV, Off-Road Group II, Remote Start, UConnect, Rear Backup Camera, Chrome Wheels,
Magnaflow cat-back exhaust, Daytime Running Lights enabled, 2" Rough Country Lift with 265/70R17 Goodyear Wrangler AT/S
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post #3 of 22 (permalink) Old 04-02-2015, 05:41 PM
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Join Date: Apr 2014
Location: CA
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Model year: 2010
Trim Package: Sport
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Any chance that your trans cooler lines are weeping (somewhat common issue)? Low tranny fluid can cause all sorts of issues. Checking fluid level is tricky in this trans

pulling the negative batt. cable and leaving it disconnected for 10-15 mins should reset it after you fix the problem. Shouldn't have to take it in to reset the codes.

The v8 trannys are different btw so it's not the cracked filter problem that is common with those.

Last edited by luckyse7ens; 04-02-2015 at 05:48 PM.
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post #4 of 22 (permalink) Old 04-03-2015, 08:25 AM Thread Starter
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5253...no...no bracketed lights.
lucky...I don't think so. As much as I hate to say I don't trust mechanics that I don't know very well...I would hope that 2 different shops wouldn't quote the same repair for approximately the same price without checking fluid level or noticing leaks.

Back to the original question...does the TCC Solenoid code DEFENITELY mean a bad Converter? That is what both shops are saying. But I am wondering why the code might not simply mean a bad solenoid? Or bad valve body plate?
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post #5 of 22 (permalink) Old 04-03-2015, 11:03 AM
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Quote:
Originally Posted by jjboods View Post
5253...no...no bracketed lights.
lucky...I don't think so. As much as I hate to say I don't trust mechanics that I don't know very well...I would hope that 2 different shops wouldn't quote the same repair for approximately the same price without checking fluid level or noticing leaks.

Back to the original question...does the TCC Solenoid code DEFENITELY mean a bad Converter? That is what both shops are saying. But I am wondering why the code might not simply mean a bad solenoid? Or bad valve body plate?
I'll bet you both shops plugged in a scanner read the codes and regurgitated the repair suggestion based on the codes.

I don't trust shops anymore.
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post #6 of 22 (permalink) Old 04-03-2015, 11:18 AM Thread Starter
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That is what confuses me. I can't find ANYTHING on the internet ANYWHERE that lists the TC as the problem based on ANY code. Unless the shops are getting more specific information from their WITECH scanners than you can get from a general OBD2 scanner.

One friend who knows about cars...not enough to fix them...recommended dropping the pan, replace the solenoid and plate, and put it back together to see if that solves the problem. Worst case I still have to drop tranny and change TC and pay for more transmission fluid.

Thoughts?
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post #7 of 22 (permalink) Old 04-03-2015, 11:50 AM
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Join Date: Apr 2014
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Actual code numbers would've been helpful.

Does the key dance give you any codes?

Have you tried an ELM327 and Torque Pro app?
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post #8 of 22 (permalink) Old 04-03-2015, 11:54 AM
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Join Date: Apr 2014
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A search for limp mode on the forums will pull up a lot of threads with information on this.
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post #9 of 22 (permalink) Old 04-03-2015, 11:54 AM Thread Starter
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To further my distrust in shops...neither would give me a written estimate or the code numbers. I only discovered the "key dance" yesterday and plan to do it tonight or this weekend. As for other scan tools...I don't have anything. I only know that the shops used similar tools to Chrysler's wiTECH.
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post #10 of 22 (permalink) Old 04-03-2015, 11:58 AM Thread Starter
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Based on info I could find, I was expecting either the ECM or a solenoid(s) to be bad. Nothing I read prepared me for bad TC. And nothing I have read since can reassure me that they have any legitimate way to identify the TC as the actual problem. Unless the wiTECH that diagnoses deeper than just a code is telling them that.
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