2023 Hyundai Elantra engine computer — Electronic Control Module, 2.0L, US built, w/o automatic engine stop and start; ID 391712JBB7 price snapshot
- Low
- $80
- Average
- $184
- High
- $375

Year & trim-specific price guide
A used 2023 Hyundai Elantra engine computer (Electronic Control Module, 2.0L, US built, w/o automatic engine stop and start; ID 391712JBB7) costs $80 to $375, with a median asking price of $171. Based on 45 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 | $100–$375 | 30 | |
| Grade BStandard used | $80–$272 | 14 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $150–$150 | 1 |
Median by grade
Median asking price by seller-reported condition grade · $80–$375 overall range
Trim-specific context
This pricing covers the Electronic Control Module, 2.0L, US built, w/o automatic engine stop and start; ID 391712JBB7 variant of the 2023 Hyundai Elantra engine computer, based on 45 priced listings. Its $171 median is 3% below the 2023 Hyundai Elantra engine computer overall median of $177.
There are 21 other engine computer variants available for the 2023 Hyundai Elantra.
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 45 priced salvage-yard listings, a used 2023 Hyundai Elantra engine computer in the Electronic Control Module, 2.0L, US built, w/o automatic engine stop and start; ID 391712JBB7 variant lists between $80 and $375, with a median asking price of $171.
In our current dataset, the Electronic Control Module, 2.0L, US built, w/o automatic engine stop and start; ID 391712JBB7 variant appears only for the 2023 model year.