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PCM Code Location 2.0

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Old Jul 8, 2021 | 09:43 PM
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Question PCM Code Location 2.0

I've read a lot of articles on here that describe how to find the PCM code. I've tried the mirror and look at the side of it in the engine compartment, I pulled out the PCM and there is no sticker. I've called the dealer and had the VIN ran to see if they could tell me what it is, but with no success. So, what do I do now? How do I know what PCM I have? Obviously, I'm trying to put in a chip, but it sure would be nice to know what PCM I have. Any other ideas? Any help would be appreciated.
 
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Old Jul 8, 2021 | 09:55 PM
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You can obtain the PCM code using FORScan or FORScan Lite if you have an OBDII adapter.

I have the step by step instructions on my laptop somewhere and can share it here if required.
 
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Old Jul 8, 2021 | 09:59 PM
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Originally Posted by Sous
You can obtain the PCM code using FORScan or FORScan Lite if you have an OBDII adapter.

I have the step by step instructions on my laptop somewhere and can share it here if required.
I do not have that, actually I haven't heard of that. What is it and how does it work?
 
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Old Jul 8, 2021 | 10:09 PM
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The last link will likely answer your questions. If not, let us know... Tomorrow I can post how to get the PCM code, but I seem to recall it is simply in the vehicle information in FSL.

FORScan
 
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Old Jul 8, 2021 | 10:18 PM
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Originally Posted by Sous
The last link will likely answer your questions. If not, let us know... Tomorrow I can post how to get the PCM code, but I seem to recall it is simply in the vehicle information in FSL.

FORScan
This is awesome!! I had no idea. Thanks for sharing this. I look forward to it.
 
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Old Jul 9, 2021 | 07:37 AM
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Originally Posted by Sous
The last link will likely answer your questions. If not, let us know... Tomorrow I can post how to get the PCM code, but I seem to recall it is simply in the vehicle information in FSL.

FORScan
you are correct , it is in the forscan info
I knew you was right but had to go check it real fast, under vehicle info it show pcm number and strategy
 
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Old Jul 9, 2021 | 08:23 AM
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Originally Posted by Sous
The last link will likely answer your questions. If not, let us know... Tomorrow I can post how to get the PCM code, but I seem to recall it is simply in the vehicle information in FSL.

FORScan
I just realized that I don't have the OBDII adapter. So, without that none of this will work correct? My issue is I'm trying to get my chip ordered, delivered and installed before next weekend. It's looking like this isn't going to happen now. I don't know about you all, but it seems like everything to do on these rigs seems like a project and is never simple.
 
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Old Jul 9, 2021 | 08:39 AM
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The obd2 adapters are fairly common items these days. Don't know about Rolla, MO, but it could be worthwhile to check some local shops and parts stores, I'm pretty sure I even saw a couple at my local Walmart last week looking for an oil filter. I would defiantly check any prospects for compatibility before purchase. There's a list of models and hardware requirements in tech section if I remember correctly.
 
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Old Jul 9, 2021 | 08:44 AM
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Right, unless you can physically see the code on the box, you must identify it electronically via an OBDII scan tool like an OBDlink MX+ or BAFX adapter.

That said, if you are attempting to purchase a Hydra and want to run the PHP "canned tunes", you can do that through Riffraff or Bitterroot Diesel.

When you bring up the Hyrda Flash software, it will read the box code and then you use the drop down menu to select a HEX code that works for your application, as seen below.



If you are wanting something else in the way of a chip, your only other option is an OBDII scan tool.

Follow the steps below in order to retrieve the PCM code. This was provided by FTE'r jimjokjv at one point.

Plug your computer in, turn the key on and start Forscan. After it recognizes your truck's configuration and you click yes, move your cursor to the top left box where the yellow "I" (info) is and make sure it is selected. Then on your screen select the Configuration Tab. It should lay out all the current information for your truck.
 
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Old Jul 9, 2021 | 10:16 AM
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The Hydra can also read the hex code so no worries about getting extra hardware unless he really needs it.
 
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Old Jul 9, 2021 | 10:51 AM
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Originally Posted by udsuth78
The obd2 adapters are fairly common items these days. Don't know about Rolla, MO, but it could be worthwhile to check some local shops and parts stores, I'm pretty sure I even saw a couple at my local Walmart last week looking for an oil filter. I would defiantly check any prospects for compatibility before purchase. There's a list of models and hardware requirements in tech section if I remember correctly.
Ok cool, I will do that and see if anyone local here has one. Thanks.
 
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Old Jul 9, 2021 | 11:00 AM
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Just be sure it is capable of reading the J1850-PWM protocol. The PWM may not be listed, but it should say J1850 at the very least.
 
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