2020 GMC Sierra 1500 engine computer — Electronic Control Module, (LH front engine compartment), 3.0L price snapshot
- Low
- $76
- Average
- $154
- High
- $305

Year & trim-specific price guide
A used 2020 GMC Sierra 1500 engine computer (Electronic Control Module, (LH front engine compartment), 3.0L) costs $76 to $305, with a median asking price of $150. 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 | $76–$259 | 17 | |
| Grade BStandard used | $80–$305 | 26 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $100–$125 | 2 |
Median by grade
Median asking price by seller-reported condition grade · $76–$305 overall range
Trim-specific context
This pricing covers the Electronic Control Module, (LH front engine compartment), 3.0L variant of the 2020 GMC Sierra 1500 engine computer, based on 45 priced listings. Its $150 median is 7% below the 2020 GMC Sierra 1500 engine computer overall median of $161.
There are 5 other engine computer variants available for the 2020 GMC Sierra 1500.
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 45 priced salvage-yard listings, a used 2020 GMC Sierra 1500 engine computer in the Electronic Control Module, (LH front engine compartment), 3.0L variant lists between $76 and $305, with a median asking price of $150.
The Electronic Control Module, (LH front engine compartment), 3.0L variant appears in model years 2020, 2021, 2023, 2024, 2025. Prices and availability may differ by year.