G37 Sedan

Engine swap

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Old Jan 30, 2023 | 08:31 PM
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Eliseo
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Engine swap

I recently engine swapped a 2013 engine into a 2009 chassis , with ecu and bcm and car doesn’t start up or even leave the lock position on key , what could be the problem ? I get no reaction from the car at all
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Old Jan 30, 2023 | 09:35 PM
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ILM-NC G37S
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Your key is not registered to the "new" BCM. Either get the keys reprogrammed or put your "old" BCM back in.
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Old Jan 30, 2023 | 10:28 PM
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Originally Posted by ILM-NC G37S
Your key is not registered to the "new" BCM. Either get the keys reprogrammed or put your "old" BCM back in.
I called lock smith and he couldn’t get it programmed , I also put the the old bcm and ecu back in car , but still no reaction , except it shows the steering wheel on the the dash says move side to side but still nothing , not even radio or ac come on
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Old Jan 31, 2023 | 08:51 AM
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This?


If the steering lock module (ESCL) is "stuck," which is a common issue for some 2009-2011's, then the car is dead in the water. There are TONS of threads here and all over the web about this issue and potential hacks to fix it. Until that is resolved, nobody can unbrick the car.

Best advice: keep pressing the START button while tapping the ESCL with a mallet- if it unlocks the car will wake up. If not, forget emulators or "jump wire" hacks- they don't work on these cars. Go to a junkyard, or eBay, get another ESCL. Once the car is up and running AND WITH IT RUNNING, pull the STEER LOCK fuse under the hood..
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Old Jan 31, 2023 | 10:11 AM
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I agree with @ILM-NC G37S

You need to put the OEM ecm and BCM back in the car and get the Steering lock to release. As long as the battery is fully charged and all your grounds are good you should be able to start it.

Wiring has to be from the 09 as well.
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Old Jan 31, 2023 | 01:28 PM
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Originally Posted by BULL
I agree with @ILM-NC G37S

You need to put the OEM ecm and BCM back in the car and get the Steering lock to release. As long as the battery is fully charged and all your grounds are good you should be able to start it.

Wiring has to be from the 09 as well.
what do you mean by wiring ? The engine harness has to be from the 09?
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Old Feb 2, 2023 | 09:57 AM
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Originally Posted by Eliseo
what do you mean by wiring ? The engine harness has to be from the 09?
Yes, wiring, ecm, bcm
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Old Apr 24, 2025 | 01:14 PM
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Originally Posted by BULL
Yes, wiring, ecm, bcm
Hey man got a question, if I'm swapping from a 2012 to a 2010 I'll need wiring, ecm and bcm? Just trying to clarify before sourcing my parts.

2010 g37x awd sedan needs an engine, if I swap from another 2010 will i need to this as well?
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