ECU and TCU Box Code and Revision
ECU and TCU Box Code and Revision
Each Engine Control Unit (ECU) and Transmission Control Unit (TCU) has software installed on it typically referred to as a Box Code and Revision. It's basically a software part number and a version number. Often times we'll need to know this information so we can see if we have a tune ready for your exact controller. The guides below will help you to find this information using various scan tools on the market.Guides
Generic Guide
There are many different scan tools that may have the ability to look up your ECU and TCU information. The following is a generic guide to give you an idea what to look for. Use the specific guides below if you have one of the mentioned scan tools.
- Turn on your vehicle's ignition (The engine doesn't need to be started)
- Plug in your scan tool into the OBDII port
- Launch the scan tool program
- Look for something related to the Engine or Transmission controller, depending on what you're looking up
- Look for some sort of identification or information readout
- Look for a Software part number and Software revision identifier.
- It will likely look something like this: 8Y0 906 264 A and 0001. This is your box code and revision.
APR Ultralink
APR Ultralink
- Turn on your vehicle's ignition (The engine doesn't need to be started) - Plug in your Ultralink into the OBDII port - Launch https://ultralink.goapr.com/ from a chrome based browser on windows - Log in or create an account - Click "Create a Tune" - Click "Continue" - Click "Connect" when it asks to connect the HTG device - The Box Code and Revision will be listed on the screen and if it's not available, you will be given an option to submit a request - Click "Request Programming" to get an email alert when a tune is ready for a missing box code or stageVag-Com / VCDS
Vag-Com / VCDS
- Turn on your vehicle's ignition (The engine doesn't need to be started) - Plug in your scan tool into the OBDII port - Launch the scan tool program - Click Select under Select Control Module - Click 01-Engine or 02-Auto Trans - Your Box Code is the VAG number - Your Revision is the last 4 digits of the ComponentVAG-Com / VCDS Saved Fault Codes
VAG-Com / VCDS Saved Fault Codes
- Locate a saved fault code read out - Scroll to the 01 Engine or 02 Auto Trans readout - Your Box Code is the Control Module Part Number - Your Revision is the last 4 digits of the Components and/or VersionOBDeleven
OBDeleven
- Turn on your vehicle's ignition (The engine doesn't need to be started) - Plug in your scan tool into the OBDII port - Launch the scan tool program - Select your Vehicle - Select Engine Control Module or Transmission Control Module under Control Units - Select Info - Your Box Code is the Software Number - Your Revision is the Software VersionCarista
Carista
- Turn on your vehicle's ignition (The engine doesn't need to be started) - Plug in your scan tool into the OBDII port - Launch the scan tool program - Select Service - Select Detailed ECU info (or similar for transmission) - Scroll down to Engine (or similar for transmission) - Your Box Code is the Part Number - Your Revision is the Software VersODIS
ODIS
- Turn on your vehicle's ignition (The engine doesn't need to be started) - Plug in your scan tool into the OBDII port - Launch the scan tool program - Select Control Modules - Look for Engine and Transmission - Your Box Code is the first 9 to 12 digit code - Your Revision is the next 4 digitsPiwis
Piwis
- Turn on your vehicle's ignition (The engine doesn't need to be started) - Plug in your scan tool into the OBDII port - Launch the scan tool program - Select Control Modules - Look for Engine / DME and Transmission / PDK / Tiptronic - Select Extended Identification - Your Box Code is the Porsche Software Part number - Your Revision the Software VersionAutel
