Question about 2002 GMC Sierra 2500HD
I was wondering how hard and what to do with the ecu.If I had to take the ecu right out board and all or if there was an easier way to do this..Thank you.
You need to buy a programer like a hypertech. With a programer all you do is plug it in below the steering column at the computer port. You will need to pick the things you want the programer to do then it will program the computer. When it is done you unplug and stick it in your closet. It takes about 20 minutes and requires no tools or mechanical ability.
Posted on Dec 12, 2008
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Posted on Jan 02, 2017
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Electronic Control Unit, An
engine control unit (ECU), most commonly called the powertrain control module (PCM),
is a type of electronic control unit that controls a series of actuators on an
internal combustion engine to ensure the optimum running. It does this by
reading values from a multitude of sensors within the engine bay, interpreting
the data using multidimensional performance maps (called Look-up tables), and
adjusting the engine actuators accordingly.
Automotive ECU is to convert
stored procedures chip in simple, replace the programmed chip, as long as open
the backplane of the ECU and unplug the original chip and then put the new chip
, as some older E-ROM chip only can write just one time, every time you modify
the program you must turn the program of original chip into a blank chip and
then replace the original chip. If you want to have a program modified by
yourself, you need a ecu programmer.
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