2015 Mazda 3 engine computer — Electronic Control Module, (mounted by battery), 2.0L, AT, ID PEDB-18881-A price snapshot
- Low
- $75
- Average
- $77
- High
- $81

Year & trim-specific price guide
A used 2015 Mazda 3 engine computer (Electronic Control Module, (mounted by battery), 2.0L, AT, ID PEDB-18881-A) costs $75 to $81, with a median asking price of $75. Based on 3 priced salvage yard listings across the US, updated Sep 9, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $75–$81 | 3 | |
| Grade BStandard used | Updating | — | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | Updating | — |
Trim-specific context
This pricing covers the Electronic Control Module, (mounted by battery), 2.0L, AT, ID PEDB-18881-A variant of the 2015 Mazda 3 engine computer, based on 3 priced listings. Its $75 median is 24% below the 2015 Mazda 3 engine computer overall median of $99.
There are 11 other engine computer variants available for the 2015 Mazda 3.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same year, other trims
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Common questions
Based on 3 priced salvage-yard listings, a used 2015 Mazda 3 engine computer in the Electronic Control Module, (mounted by battery), 2.0L, AT, ID PEDB-18881-A variant lists between $75 and $81, with a median asking price of $75.
In our current dataset, the Electronic Control Module, (mounted by battery), 2.0L, AT, ID PEDB-18881-A variant appears only for the 2015 model year.