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Mustang Computer Code Identification by Year (1987-Present)

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A tuner is one of the few things that can communicate with and alter how your Mustang's computer manages your engine. A tuner can help optimize your Mustang's power by helping the computer compensate for current and future modifications.

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Ford Mustang computer code identifier. A guide on where to locate your 1979-2016 Mustang's computer identification code.

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A Mustang's Computer and You

It’s very important to correctly identify your Mustang’s computer code, especially when you want to obtain some custom tunes. There are hundreds of codes out there and it would be near impossible and extremely hazardous to your motor if you attempt to guess your code. Below, you will find some examples of Mustang computer codes, arranged separately by year range and tips to help you recognize your specific ECU code.

1987-1993 FoxBody Mustangs     1994-1995 SN95 Mustangs     1996-Present Mustangs     
Usually 2 Letters and 1 Number    Usually 2 Letters and 2 Numbers     Usually 3 Letters and 1 Number     
Examples: A3M, A9L, A9P     Examples: H4M3, T4M0, U4PO     Examples: XSH1, CDC3, MDE2     



Where can I Locate my Mustang’s Computer Code?

Depending on what year Mustang you have, your Mustang's computer code can be found in one of a few different locations. Below we've laid out where your computer code should live based on what Mustang you own. Keep in mind, the actual location may vary a bit, but generally they can be found very close to the area pictured. 

1987-2004 Mustang Computer Code Location

1987-2004 Mustang Computer Code Location
1987-2004 Mustang Computer Code Location 2

The Mustang computer code on 1987 to 2004 Mustangs should be on the passenger side (RH) door jam on a rectangular white sticker. However, sometimes the sticker can come off. In that case, you will need to look under the passenger side kick panel on the actual computer to get your Mustang's computer code. Above are two example images from our 1998 GT Mustang: one showing the RH kick panel removed with computer/wiring exposed, second showing a close up of the computer code = DBZ2

2005-2009 Mustang Computer Code Location

2005-2009 Mustang Computer Code Location - Silver Box
2005-2009 Mustang Computer Code Location 2

The Mustang computer code for your 2005-2009 Mustang can be found under the hood, on the passenger side (RH) located on a silver rectangular box. Above are two example images from our 2006 GT Mustang: one overview of RH engine bay, second showing a close up of the computer code = TJF1

Please Note: the code can be located anywhere on the silver box, not just on the top as shown in the example.

2010-2014 Mustang Computer Code Location

2010-2014 Mustang Computer Code Location - Fuse Box Bracket
2010-2014 Mustang Computer Code Location - Fuse Box Bracket 2

The computer code on the 2010 to present Mustangs will be under the hood on the passenger side, located next to the fuse box on a silver metal bracket. Above are two example images from our 2014 GT Mustang: one overview of RH engine bay, second showing a close up of the computer code = DHW1​

Knowing your Mustang's computer code is crucial when it comes time to get a new tune. Whenever you want to have custom tunes created, your specific computer code will provide tuning specialists with the mapping of your ECU, showing them tables and graphs that are not the same with every computer code. Seeing this information allows them to dial in on the exact modifications you may have added to your Mustang and get your car running its best and at its maximum performance. 

2015-2016 Mustang Computer Code Location

2015 Mustang Computer Code Location
Exact 2015 Mustang Computer Code Location

The computer code on the 2015 to present Mustangs will be under the hood on the passenger side, located under the fuse box on a silver metal box. Above are two example images from our 2015 Ecoboost Mustang: one overview of RH engine bay, second showing a close up of the computer code = DWV5.