2021 Hyundai Elantra engine computer — Electronic Control Module, 2.0L, US built, w/o automatic engine stop and start; ID 391712JBB5 price snapshot
- Low
- $100
- Average
- $130
- High
- $207
Year & trim-specific price guide
Used 2021 Hyundai Elantra Engine Computer — Electronic Control Module, 2.0L, US built, w/o automatic engine stop and start; ID 391712JBB5 prices
Trim-specific pricing for the Electronic Control Module, 2.0L, US built, w/o automatic engine stop and start; ID 391712JBB5 variant of the 2021 Hyundai Elantra engine computer, built from 12 real salvage yard listings with condition grade detail.
Price summary
A used 2021 Hyundai Elantra engine computer (Electronic Control Module, 2.0L, US built, w/o automatic engine stop and start; ID 391712JBB5) costs $100 to $207, with a median asking price of $121. Based on 12 priced salvage yard listings across the US, updated Aug 26, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$140
Grade B (good)$121
USD
Condition comparison
Price by part grade
Grade AClean / low wear$116–$2075 listings
Grade BStandard used$101–$1774 listings
Grade CVisible wearUpdating
Grade XUngraded$100–$1083 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $116–$207 | 5 | |
| Grade BStandard used | $101–$177 | 4 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $100–$108 | 3 |
Median by grade
Grade price comparison
Grade A$140
Grade B$121
Ungraded$108
Median asking price by seller-reported condition grade · $100–$207 overall range
Trim-specific context
How does the Electronic Control Module, 2.0L, US built, w/o automatic engine stop and start; ID 391712JBB5 compare?
This pricing covers the Electronic Control Module, 2.0L, US built, w/o automatic engine stop and start; ID 391712JBB5 variant of the 2021 Hyundai Elantra engine computer, based on 12 priced listings. Its $121 median is 18% below the 2021 Hyundai Elantra engine computer overall median of $148.
There are 16 other engine computer variants available for the 2021 Hyundai Elantra.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
Electronic Control Module, 2.0L, US built, w/o automatic engine stop and start; ID 391712JBB5 in other model years
Same year, other trims
What other 2021 Hyundai Elantra engine computer variants are available?
Electronic Control Module, 2.0L, Korea built, AT (CVT), w/o automatic engine stop and start; ID 391712JCC5
39 listings$126$63 – $394Electronic Control Module, 1.6L, turbo, MT
36 listings$153$75 – $400Electronic Control Module, 1.6L, turbo, AT
33 listings$161$50 – $644Electronic Control Module, 2.0L, Korea built, AT (CVT), automatic engine stop and start, ID 391732JCC0
33 listings$149$116 – $500Electronic Control Module, 2.0L, US built, automatic engine stop and start, ID 391712JBD0
31 listings$165$98 – $267Electronic Control Module, 2.0L, US built, automatic engine stop and start, ID 391712JBE0
30 listings$161$99 – $500Electronic Control Module, 1.6L, naturally aspirated (Hybrid), (gasoline engine)
28 listings$154$90 – $395Electronic Control Module, 2.0L, Korea built, AT (CVT), w/o automatic engine stop and start; ID 391712JCB5
26 listings$121$50 – $389Electronic Control Module, 2.0L, Korea built, AT (CVT), automatic engine stop and start, ID 391712JCB0
20 listings$141$85 – $300Electronic Control Module, 2.0L, US built, automatic engine stop and start, ID 391712JBC0
14 listings$161$45 – $420Electronic Control Module, 2.0L, Korea built, AT (CVT), automatic engine stop and start, ID 391732JCB0
12 listings$170$82 – $205Electronic Control Module, 2.0L, US built, w/o automatic engine stop and start; ID 391712JBD5
11 listings$143$106 – $281Electronic Control Module, 2.0L, US built, automatic engine stop and start, ID 391712JBB0
10 listings$150$90 – $325Electronic Control Module, 2.0L, Korea built, AT (CVT), automatic engine stop and start, ID 391712JCC0
9 listings$165$121 – $257Electronic Control Module, 2.0L, Korea built, AT (CVT), w/o automatic engine stop and start; ID 391732JCC5
9 listings$383$253 – $455Electronic Control Module, 2.0L, Korea built, MT (Canada market)
2 listings$325$325 – $325Back to full guide
2021 Hyundai Elantra engine computer — all trims
Common questions
2021 Hyundai Elantra engine computer (Electronic Control Module, 2.0L, US built, w/o automatic engine stop and start; ID 391712JBB5) FAQ
How much is a used 2021 Hyundai Elantra engine computer (Electronic Control Module, 2.0L, US built, w/o automatic engine stop and start; ID 391712JBB5)?
Based on 12 priced salvage-yard listings, a used 2021 Hyundai Elantra engine computer in the Electronic Control Module, 2.0L, US built, w/o automatic engine stop and start; ID 391712JBB5 variant lists between $100 and $207, with a median asking price of $121.
Which years use the Electronic Control Module, 2.0L, US built, w/o automatic engine stop and start; ID 391712JBB5 engine computer?
The Electronic Control Module, 2.0L, US built, w/o automatic engine stop and start; ID 391712JBB5 variant appears in model years 2021, 2022. Prices and availability may differ by year.