2015 Mazda 3 engine computer price snapshot
- Low
- $15
- Average
- $121
- High
- $395
Year-specific price guide
Used 2015 Mazda 3 Engine Computer prices
Year-specific used engine computer pricing for the 2015 Mazda 3, built from real salvage yard and junkyard listings with condition grade and fitment detail.
Price summary
A used 2015 Mazda 3 engine computer costs $15 to $395, with a median asking price of $99. Based on 214 priced salvage yard listings across the US, compatible across 2014–2017 (4 model years), updated Sep 9, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$97
Grade B (good)$146
Grade C (fair)$125
USD
Condition comparison
Price by part grade
Grade AClean / low wear$30–$395178 listings
Grade BStandard used$35–$24014 listings
Grade CVisible wear$125–$1251 listings
Grade XUngraded$15–$15021 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $30–$395 | 178 | |
| Grade BStandard used | $35–$240 | 14 | |
| Grade CVisible wear | $125–$125 | 1 | |
| Grade XUngraded | $15–$150 | 21 |
Median by grade
Grade price comparison
Grade A$97
Grade B$146
Grade C$125
Ungraded$85
Median asking price by seller-reported condition grade · $15–$395 overall range
Replacement cost
What is the 2015 Mazda 3 engine computer replacement cost?
- Used part
- $99
- 2015 Mazda 3 median asking price
- Labor
- $95–$450
- 1–3 hours at $95–$150/hr
- Estimated total
- $195–$550
- median used part + labor
Labor is a typical independent-shop range for engine computer replacement, not a quote for your vehicle; it does not include programming and key relearn procedure. The part price is the live median from the salvage-yard listings on this page. Full engine computer replacement cost breakdown
Fitment matters
Price by trim & variant
Electronic Control Module, (mounted by battery), 2.0L, MT, ID PEAA-18881-A30 listingsInterchange 2014–2016$146$55 – $395
Electronic Control Module, (mounted by battery), 2.5L, MT, ID PEAA-18881-A30 listingsInterchange 2014–2016$146$55 – $395
Electronic Control Module, (mounted by battery), 2.5L, MT, ID PE18-18881-A28 listingsInterchange 2014–2017$100$20 – $225
Electronic Control Module, (mounted by battery), 2.0L, AT, ID PEAB-18881-A27 listingsInterchange 2014–2016$76$15 – $240
Electronic Control Module, (mounted by battery), 2.5L, AT, ID PEAB-18881-A27 listingsInterchange 2014–2016$76$15 – $240
Electronic Control Module, (mounted by battery), 2.0L, AT, ID PECX-18881-A24 listingsInterchange 2014–2016$100$70 – $300
Electronic Control Module, (mounted by battery), 2.0L, AT, ID PE19-18881-A15 listingsInterchange 2014–2016$91$55 – $218
Electronic Control Module, (mounted by battery), 2.0L, MT, ID PE18-18881-A9 listingsInterchange 2014–2016$100$20 – $225
Electronic Control Module, (mounted by battery), 2.5L, AT, ID PE19-18881-A9 listingsInterchange 2014–2016$91$65 – $95
Electronic Control Module, (mounted by battery), 2.5L, AT, ID PECX-18881-A9 listingsInterchange 2014–2015$95$70 – $250
Electronic Control Module, (mounted by battery), 2.0L, AT, ID PEDB-18881-A3 listingsInterchange 2015–2016$75$75 – $81
Electronic Control Module, (mounted by battery), 2.5L, AT, ID PEDB-18881-A3 listingsInterchange 2015–2016$75$75 – $81
Year-specific context
How does the 2015 Mazda 3 compare?
The 2015 guide is based on 317 observed listings, including 214 with posted prices. Its $99 median is 17% below the Mazda 3 guide's $119 median.
Among the 10 model years with current price data, 2015 ranks #3 from lowest to highest median.
Interchange data shows this part is also listed under model years 2014, 2016, 2017. Shopping across all 4 compatible years may surface better prices or condition grades.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Compare model years
What does a Mazda 3 engine computer cost in other years?
Keep browsing this vehicle
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Common questions
2015 Mazda 3 engine computer FAQ
How much is a used 2015 Mazda 3 engine computer?
Based on 214 priced salvage-yard listings, a used 2015 Mazda 3 engine computer lists between $15 and $395, with a median asking price of $99.
How much does it cost to replace a 2015 Mazda 3 engine computer?
Using a used part, a 2015 Mazda 3 engine computer replacement typically runs $195–$550 all-in: the median used engine computer for this year lists at $99, and independent-shop labor for engine computer replacement typically takes 1–3 hours at $95–$150/hr ($95–$450). The labor figure does not include programming and key relearn procedure. Labor is a national part-level estimate, not a quote for your vehicle.
Will a 2015 Mazda 3 engine computer fit another year?
Based on salvage-yard interchange data, listings for the 2015 Mazda 3 engine computer also appear under model years 2014, 2016, 2017, suggesting these years share compatible fitments. Always verify the exact part number, drivetrain, trim, and your VIN before buying — interchange compatibility can vary by variant.
How much is a 2015 Mazda 3 ecu?
A ecu is another name for a engine computer. The prices on this page cover the 2015 Mazda 3 engine computer — median $99, from 214 listings.