Avalanche 2003 Engine Computer ECM PCM ECU 12582605 - Programmed to your VIN #

Description

******If this is not the ecm you are looking for please visit our e-bay store for more ecm's.
This auction is for one 12582605 engine computer (aka PCM, ECM, ECU,VCM) that will arrive at your door ready to install with the proper calibration programmed to your specific vehicle.  This ECM will fit the following applications:
20
03
CHEVROLET
AVALANCHE
V8 5.3L 323cid Engine
*
Programmed
to your specific vehicle with your VIN (vehicle identification number)
*Shipped to your door
ready to install
*1 year replacement guarantee
*
No core charge
–you keep your existing PCM - no extra trips to the post office to return a core.
*We ship the same day or the following business day from receipt of payment -
item is in stock
and ready to ship.
************** You can send us your 17 digit VIN (vehicle identification number) at the time of payment in the "note to seller" or you can send it after your purchase and payment by contacting us through the ebay message system.
******GM installed this 12582605 PCM in all of the above applications and many more.  This was possible because each of these models received their specific programming from the factory.  In other words, you can't simply swap a used PCM from one vehicle to the next.  We are a
licensed
user of the same software that your local dealer would use to program and update your computer.
With your purchase we will reprogram the PCM, with the latest software updates available from GM, to your specific vehicle using your VIN (vehicle identification number).
******This PCM is used and was removed from a running salvaged vehicle.  This PCM comes with a 1-year
replacement guarantee
.
******
We have been in the ECM business for 17+ years.  We are also a 17+ year eBay member with excellent feedback.
*Picture is of a 12582605 in stock.  The item you receive will be of like finish guaranteed.
Other info:
Why buy your spare ECM from us?  You will be purchasing a high quality used ECM.  You get free Flash programming with every OBDII GM computer purchased. OBDII type computers have the “chip” embedded into the ECM and it is not removable.  The calibration file per the application is “Flashed”, or reprogrammed using a software package and a pass through device.  The “chip” is no longer removed for programming.  Proper programming is essential when replacing an ECM whether it is a used ECM or a remanufactured ECM.  A used GM computer will have the software installed that pertains to the original vehicle that it was removed from.  In some cases GM OBDII type computers will interchange with many different vehicles including those with different engine and transmission configurations.  However, unless the computer is programmed with the correct software it won’t function properly upon installation.  We will flash reprogram any OBDII computer purchased from us with your specific VIN number for the latest updated calibrations straight from GM for a stock calibration.  This is important to ensure specific vehicle programming and to guarantee flawless performance in your vehicle. At the end of the auction you will need to provide us with your VIN number.
******View our e-bay store for more ecm's.
Many different names have been given to the engine computer since its inception over 30 years ago.  Engine computers may be referred to as ECU (engine control unit), ECM (engine control module), PCM (power train control module), Brain Box, ECC (engine control computer), VPCM (vehicle control module), or Fuel Management System.  For clarification we refer to an engine control computer as an ECM.
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