2021 Honda Civic engine computer — Electronic Control Module, 2.0L, AT, Federal emissions, LX price snapshot
- Low
- $41
- Average
- $110
- High
- $415

Year & trim-specific price guide
A used 2021 Honda Civic engine computer (Electronic Control Module, 2.0L, AT, Federal emissions, LX) costs $41 to $415, with a median asking price of $80. Based on 38 priced salvage yard listings across the US, updated Aug 26, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $50–$415 | 20 | |
| Grade BStandard used | $41–$415 | 13 | |
| Grade CVisible wear | $95–$95 | 1 | |
| Grade XUngraded | $46–$100 | 4 |
Median by grade
Median asking price by seller-reported condition grade · $41–$415 overall range
Trim-specific context
This pricing covers the Electronic Control Module, 2.0L, AT, Federal emissions, LX variant of the 2021 Honda Civic engine computer, based on 38 priced listings. Its $80 median is 27% below the 2021 Honda Civic engine computer overall median of $109.
There are 17 other engine computer variants available for the 2021 Honda Civic.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
Same year, other trims
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Common questions
Based on 38 priced salvage-yard listings, a used 2021 Honda Civic engine computer in the Electronic Control Module, 2.0L, AT, Federal emissions, LX variant lists between $41 and $415, with a median asking price of $80.
The Electronic Control Module, 2.0L, AT, Federal emissions, LX variant appears in model years 2020, 2021. Prices and availability may differ by year.