
Correct Format for Mustang Computer Codes by Year
It is important to correctly identify your Mustang’s computer code. There are literally hundreds of codes and it would be impossible and potentially hazardous to your motor to attempt to guess your code. Included are some examples of codes that you might find during these years to help you recognize your car's code.
87-93
Usually 2 Letters and 1 Number
Example Formats: A3M, A9L, A9P
94-95
Usually 2 Letters and 2 Numbers
Example Formats: H4M3, T4M0, U4PO
96-13
Usually 3 Letters and 1 Number
Example Formats: XSH1, CDC3, MDE2
1987-2004
The Mustang computer code on 87-04 Mustangs should be on the passenger side door jam on a rectangular white sticker. Sometimes the sticker comes off, so you will need to look under the passenger side kick panel on the actual computer to get the Mustang computer code.


2005-2009
The computer code on 2005-2009 Mustangs is under the hood on the passenger side located on a silver rectangular box.


2010-2013
The computer code on 2010-2013 Mustangs is under the hood on the passenger side located next to the Fuse Box on a silver metal bracket.


Knowing your Mustang Computer Code is important for tuning. To learn more about custom Tuning see the following links.
Mustang Tuners
Mustang Tuner Differences
Our Price $599.99 | Our Price $599.99 |
I'm pretty certain this is the best shopping experience I've ever had. I found what I wanted on AmericanMuscle.com, then did some price shopping and ended up coming back and order from them because they had the lowest price AND free shipping too. I honestly look forward to spending more money with American Muscle. They have customer submitted photos in addition to their great product photography as well as installation guides from users and manufacturers. Their videos are honest and incredibly useful. I can't think of anything else I'd like to see from them. Ryan B
| DanMarketing All my other cars were all-wheel drive, my brother had an 04 cobra and i wanted to compete and beat him with naturally aspirated so i went with a mach1 - and beat him. Now he works here too! I got lucky and was able to find one of the... |
