Gen4 Stock Engine/Trans Swap

If you have a 4.3L, 4.8L, 5.3L, 6.0L, 6.2L out of a 2007-20013 Pickup or SUV, I can now reprogram this for your engine swap project. This programming is for swapping STOCK engine/trans into an older vehicle and is meant for stand alone operation. This ECM is known as an E38 ECM. (E37 for the V6) Please read all of this page as important info you need and I need to know. ***Now supporting 2007+ E67 ECM, as well as 2005-2006 E40 ECM applications for swap programming.

The Gen4 and up engines do pose new challenges in swaps. You CAN NOT run air conditioning or cruise control through the ECM as you could prior. Also outputs for the TACH and VSS are hit and miss. There are multiple configurations for vss output signals and I can usually make it work if I have a car local to me, but getting the settings nailed down for mail order not so much. Gen4’s will work in a swap, but not my first choice, I still recommend finding a Gen3 and going with that.

“E38” is cast in between the long middle fins. (E37 is very similar, will have E37 CAST into it) These may come in several SERV. NO’s. I’ll try to make a list.

I need to know if the ECM/TCM you have is an exact match to the engine & transmission you have. At this time I am only going to do programming for engines that remain STOCK. If you’ve done just an intake swap I can do it, but if you are changing cams, heads, etc…I won’t be able to do this for you. GM did not offer gen iv engines with manual transmissions. If you plan to run a manual trans, there are other issues associated with that. Engine will run, but idle issues are expected.

It is always best to provide the following info, to aid me in identifying your engine type to ensure programming is correct. There are a few things that I need to know.

1. Engine Information: (VIN # of vehicle it is out of would be great if you have it)

Engine Size and Year (4.8 5.3 6.0 or 6.2) Is the block aluminum or iron?
Fuel Injector part#. This will be an 8 digit part# that is stamped on side of each injector. (12594512 is an example for a flex fuel injector from a 5.3L engine. Injector will rotate in the rail to make it easier to read part#.)

2. Transmission Type:

If the trans is the 6 speed automatic, you will have an ECM only (TCM is located INSIDE the transmission) If its a 4 speed automatic, you will have an ECM and TCM. (engine control module, transmission control module). If you have a TCM, its best to send it in with the ECM when programming. Matching ECM/TCM from same vehicle will not require TCM to be sent in.

Ship to:

Brendan Patten
5411 County Road 2350
Pomona, MO 65789

brendan@lt1swap.com

Email is by far the best way to contact me, it gives me a record of conversations so I can better assist with you’re needs. I will gladly give a contact phone number where I can be contacted if requested.

If you live in Canada and plan to ship a PCM to me, DO NOT ship UPS Ground. UPS decided they needed to start charging me a fee for receiving packages so I will no longer accept UPS from Canada. Also, please use ‘Buy Now’ below for PayPal payments from Canada, please no money orders from Canada.

$150.00 includes return shipping for E38 ECM programming (with OR without TCM). Please include the return shipping address inside the box, as well as contact information. Below is a ”Buy Now” button you can use to send a PayPal payment to me, or you can include a money order with the PCM when you send it. Expect 2-4 day turn around time. I ship with US Postal Service, if you require different delivery methods, please let me know.

Thank You… -Brendan.

$150.00

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E38 ECM Programming with USPS Priority Mail

E38 ECM Programming with USPS Priority Mail
$175.00

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E38 ECM Programming with USPS Express Mail

E38 ECM Programming with USPS Express Mail (1-2 days)

Generation IV Engine Information

The Gen IV engines have come in a few different flavors. There is Active Fuel Management (AFM). This is where half of the valves in the engine are shut down, and the engine essentially runs on 4 cylinders. The ECM controls this by activating a solenoid on the valley cover of the engine. There is also (VVT), or variably valve timing. This is an actuator that sits on the end of the camshaft and can change the angular relationship between the camshaft and crankshaft. There is also flex fuel and non flex fuel versions of these engines.

The engines are usually called by the RPO code, and can be identified by the 8th digit in the VIN#. Here’s an incomplete list as I know it. (This refers to TRUCK VIN #’s. If VIN is from a CAR, the VIN letter could be different for the same engine. See here for more info:

General Motors 2000 – 2009 VIN Information Cards

You can also do a Google search for Vortec engine to try and find out more info about the various engines.

Here is some information I have put together from GM Service Information website.

8TH VIN	RPO	DISP.	ACTIVE FUEL MNGT	VVT	BLOCK	FLEX FUEL	YEARS USED
C	LY2	4.8L	NO	NO	IRON	NO	2007-2008

M	LH6	5.3L	YES	NO	ALUM	NO	2007-2009
0	LMG	5.3L	YES	NO	IRON	YES	2007-2009
3	LC9	5.3L	YES	NO	ALUM	YES	2007-2009
J	LY5	5.3L	YES	NO	IRON	NO	2007-2009

K	LY6	6.0L	NO	YES	IRON	NO	2007-2009
Y	L76	6.0L	YES	YES	ALUM	NO	2007-2009

8	L92	6.2L	NO	YES	ALUM	NO	2007-2008
2	L9H	6.2L	NO	YES	ALUM	YES	2009

A	L20	4.8L	NO	YES	IRON	YES	2010
0	LMG	5.3L	YES	YES	IRON	YES	2010
3	LC9	5.3L	YES	YES	ALUM	YES	2010
K	LY6	6.0L	NO	YES	IRON	NO	2010
G	L96	6.0L	NO	YES	IRON	NO	2010 not sure if block material is right on this, why 2 iron 6.0’s?? could be misprint.
2	L9H	6.2L	NO	YES	ALUM	YES	2010