Used Ford Mustang engine computer – Electronic Control Module, Mach 1, AT

Trim-specific price guide

Ford Mustang Engine Computer — Electronic Control Module, Mach 1, AT prices

Pricing for the Electronic Control Module, Mach 1, AT variant of the Ford Mustang engine computer, aggregated from 86 salvage yard listings across 3 model years.

2021 Ford Mustang · Electronic Control Module, Mach 1, AT

$187

median asking price

38 priced listings · $70–$446

Price summary

A used Ford Mustang engine computer (Electronic Control Module, Mach 1, AT) costs $70 to $547, with a median asking price of $200. Based on 86 priced salvage yard listings across the US, updated Sep 5, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$197
Grade B (good)$200

Ford Mustang engine computer — Electronic Control Module, Mach 1, AT price snapshot

USD
Low
$70
Average
$222
High
$547
86 priced listings across 3 model years· How we price·

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Reporting price for Ford Mustang Engine Computer (Electronic Control Module, Mach 1, AT)

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Condition comparison

Price by part grade

Grade AClean / low wear$70–$54751 listings
Grade BStandard used$110–$30427 listings
Grade CVisible wearUpdating
Grade XUngraded$100–$3008 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $70–$547 overall range

Trim-specific context

How is the Electronic Control Module, Mach 1, AT priced differently?

This pricing covers the Electronic Control Module, Mach 1, AT variant of the Ford Mustang engine computer, based on 86 priced listings across 3 model years (2021, 2022, 2023). Its $200 median is 2% above the Ford Mustang engine computer overall median of $196.

Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.

Price by model year

What does a Electronic Control Module, Mach 1, AT cost by year?

202138 listings$187$70 – $446202212 listings$413$120 – $547202336 listings$200$75 – $304

Other trims

Other Ford Mustang engine computer variants

Full Mustang guide

Electronic Control Module, Shelby GT350, ID FR3A-12B684-DRA

3 yrs$197$70 – $405

Electronic Control Module, Shelby GT350, ID FR3A-12B684-EUA

3 yrs$214$80 – $494

Electronic Control Module, EcoBoost, AT, ID JR3A-12A650-NA

1 yr$121$50 – $218

Electronic Control Module, EcoBoost, MT

6 yrs$170$50 – $395

Electronic Control Module, EcoBoost, AT, ID RMFR3A-12A650-EA

2 yrs$97$30 – $331

Electronic Control Module, GT, AT

6 yrs$187$70 – $547

Electronic Control Module, GT, MT

6 yrs$255$80 – $480

Electronic Control Module, EcoBoost, AT, ID GR3A-12A650-AZA

1 yr$161$55 – $224

Electronic Control Module, EcoBoost, AT, ID KR3A-12A650-HB

1 yr$111$93 – $218

Common questions

Ford Mustang engine computer (Electronic Control Module, Mach 1, AT) FAQ

How much is a used Ford Mustang engine computer (Electronic Control Module, Mach 1, AT)?

Based on 86 priced salvage-yard listings across 3 model years, a used Ford Mustang engine computer in the Electronic Control Module, Mach 1, AT variant lists between $70 and $547, with a median asking price of $200.

Which Ford Mustang years use the Electronic Control Module, Mach 1, AT engine computer?

The Electronic Control Module, Mach 1, AT variant appears in model years 2021, 2022, 2023. Prices and availability differ by year.

Is there a price difference between Electronic Control Module, Mach 1, AT condition grades?

Yes. Grade A has a median of $197, Grade B has a median of $200. Grade A parts are in excellent condition, B is good, and C is fair.