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post #1 of 21 (permalink) Old 01-26-2017, 12:48 AM Thread Starter
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Problems with engine swap

Hey there guys, my name is keith and im from illinois. I picked up a 2006 jeep commander about 2 years ago. Recently the the engine blew leaving me with a rod through the block and lost hope. I finally found an engine for my 3.7 and swapped it in a matter of days with alot of spare time. I tried starting it yesterday and the only thing that happened was the horn woke up the neighborhood and threw two codes at me. Help would be appreciated. Also more info the engine i planted into it is now a 04 jeep liberty 3.7.
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post #2 of 21 (permalink) Old 01-26-2017, 12:49 AM Thread Starter
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The codes were c2202 and u140e
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post #3 of 21 (permalink) Old 01-26-2017, 12:59 AM
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Quote:
Originally Posted by Commando28 View Post
The codes were c2202 and u140e
So u2202 throws because during trying to start, the ECU did a VIN check, and it failed. You have to ensure all the parts you swap that would store its VIN match, and the easiest way to do that is to either keep as many parts as possible that originally belonged to your vehicle, or get any parts that would store the VIN modified to have YOUR VIN. I bought a 5.7 ECU to run my 6.1 engine when it's all together. I already sent it off and got it back with my VIN and vehicle mileage flashed over, among other things. I believe your dash gage board also stores VIN. I'm unsure about any other components.


For u140e, try here:
http://www.lxforums.com/board/showth...usible-vehicle

Last edited by SkulhunterM42; 01-26-2017 at 01:03 AM.
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post #4 of 21 (permalink) Old 01-26-2017, 05:50 PM Thread Starter
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Well i took all the pumps and pulleys for it as well as alternator, starter. Ive already departed eith the old engine. Would redoing the timing chain and set-up help? Im stumped but where would i send my ecu?
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post #5 of 21 (permalink) Old 01-26-2017, 05:51 PM Thread Starter
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Quote:
Originally Posted by SkulhunterM42 View Post
So u2202 throws because during trying to start, the ECU did a VIN check, and it failed. You have to ensure all the parts you swap that would store its VIN match, and the easiest way to do that is to either keep as many parts as possible that originally belonged to your vehicle, or get any parts that would store the VIN modified to have YOUR VIN. I bought a 5.7 ECU to run my 6.1 engine when it's all together. I already sent it off and got it back with my VIN and vehicle mileage flashed over, among other things. I believe your dash gage board also stores VIN. I'm unsure about any other components.


For u140e, try here:
U140e-implausible vehicle




Read my message i put on my thread please
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post #6 of 21 (permalink) Old 01-26-2017, 08:38 PM
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The '04 engine you swapped in used the old JTEC engine computer and your Commander uses the new NGC computer (the changeover was the '05 model year.)

The cam sprocket on the right side of the engine and the reluctor ring on the back end of the crankshaft need to match your Commander computer - and those in your new engine don't match. You either need to break down both engines and swap the rings or get a 3.7 from an '05 or later Chrysler vehicle (any block up to 2012 is the same - the external components are the differences.)

I did an engine swap in my '03 Liberty and put an '07 Dodge Dakota 3.7 into it - and had to put in a new cam sprocket and reluctor ring in the new engine to make it compatible with my '03 computer.

Full details are in this thread: Engine Swap Overview


Bob

2006 Limited, 5.7 Hemi, Tow Package, SuperChips tuner, Full Skids, RER MyGIG Upgrade. OME HD Springs w/ Bilstein 4600 shocks
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post #7 of 21 (permalink) Old 01-26-2017, 11:27 PM Thread Starter
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Thank you man
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post #8 of 21 (permalink) Old 01-27-2017, 12:56 AM Thread Starter
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Quote:
Originally Posted by TwoBobsXK View Post
The '04 engine you swapped in used the old JTEC engine computer and your Commander uses the new NGC computer (the changeover was the '05 model year.)

The cam sprocket on the right side of the engine and the reluctor ring on the back end of the crankshaft need to match your Commander computer - and those in your new engine don't match. You either need to break down both engines and swap the rings or get a 3.7 from an '05 or later Chrysler vehicle (any block up to 2012 is the same - the external components are the differences.)

I did an engine swap in my '03 Liberty and put an '07 Dodge Dakota 3.7 into it - and had to put in a new cam sprocket and reluctor ring in the new engine to make it compatible with my '03 computer.

Full details are in this thread: Engine Swap Overview


Bob
Hey when you mean right side from where are you viewing it at?
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post #9 of 21 (permalink) Old 01-27-2017, 09:26 AM
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Join Date: Nov 2016
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Quote:
Originally Posted by Commando28 View Post
Hey when you mean right side from where are you viewing it at?
From inside the cabin. I hesitate to say 'driver' or 'passenger' since members from other countries that have right-hand drive vehicles frequent the Jeep forums.

So in the States, I'm talking about the passenger side.


Bob

2006 Limited, 5.7 Hemi, Tow Package, SuperChips tuner, Full Skids, RER MyGIG Upgrade. OME HD Springs w/ Bilstein 4600 shocks
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post #10 of 21 (permalink) Old 01-27-2017, 04:24 PM Thread Starter
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Quote:
Originally Posted by TwoBobsXK View Post
The '04 engine you swapped in used the old JTEC engine computer and your Commander uses the new NGC computer (the changeover was the '05 model year.)

The cam sprocket on the right side of the engine and the reluctor ring on the back end of the crankshaft need to match your Commander computer - and those in your new engine don't match. You either need to break down both engines and swap the rings or get a 3.7 from an '05 or later Chrysler vehicle (any block up to 2012 is the same - the external components are the differences.)

I did an engine swap in my '03 Liberty and put an '07 Dodge Dakota 3.7 into it - and had to put in a new cam sprocket and reluctor ring in the new engine to make it compatible with my '03 computer.

Full details are in this thread: Engine Swap Overview


Bob
Hey Bob, so if i get the cam sprocket would it just be better if i got a whole new timing chain set up to replace the whole front end?
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