Comments Enabled

Not quite sure what is wrong with me, but I decided to turn on comments as a trial. I’d like to see what your thoughts are of the horrible manure in which I write my blog; how bad my spelling/grammar can be; and how absolutely incompetent I am. Please keep the language to a minimum […]

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Scanning for Diagnostic Data.

Because diagnostic data is built on top of a standard Transport Protocol (ISO 15765-2), you can use this knowledge to see which diagnostic service a particular vehicle supports and which parameters or sub-functions it may support. Step 1. Finding Nodes’ Diagnostic IDs. We must first have all of the nodes enumerated with Physical IDs and […]

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ISO 15765-2

So this blog can get a bit technical, so I apologize but I assure you this is some really fun stuff. CAN BUS is intended for short, quick data transfer between controllers.  This is achieved by setting a limit of 8 Bytes maximum for any Frame that is sent on the bus.  Because of this […]

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If at First You Don’t Succeed, Quit Trying

On most late-model cars, there are hundreds of messages with thousands of parameters being transferred between controllers, this leads to the idea that EVERYTHING is being able to be controlled by CAN BUS messages.  This simply is not the case.  If a controller doesn’t need to send internal data to another controller then it won’t.  […]

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Let’s Chime In: GM 29 bit CAN Chime Control

For those of you who like to leave there car keys in the ignition while the driver door is open or who don’t where a seat belt, you’ve heard the Chime and have probably cursed it many, many times.  Well I can help you defeat it or embrace it. First you need to gear up.  […]

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Hate the VIN, Wanna Change It?

Good news you can. Well sort of.  The VIN stored in controllers is writable (well maybe).  But in some cases its difficult and some impossible.  So I am hear to give you some tips to make life a little easier. First find out if the controller stores the VIN.  This can usually be done on […]

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Determining Network Baud Rate

So you found a CAN BUS to reverse engineer, but you don’t know it’s buad rate.  There are a couple to find it out. One. Go one-by-one through a possible list.  CAN BUS baud rates tend to be of only certain baud rates.  I am not positive, but this most likely has to do with […]

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OBDII and Enhanced Diagnostics Again

So you want to get data from the vehicle?  Good news, its there you just have to know how get it. You have a couple of options: Buy the data or Reverse the Data from an Existing Scantool. So you want to buy the data, here’s how that works.  You have to be a member […]

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Unlock/Lock – How Distributed Systems Help You

So you want to Unlock and Lock the doors using the CAN BUS?  Well I’ve got good news for you, you can. Well sort of… Because most modern vehicles have distributive electronic systems, unlock/lock type functionality is often done via a CAN BUS message by the OEM themselves.  Typically if the RFA module (controller that […]

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