2021 Chevy Equinox transmission control module — Differential Lock, (carrier housing) price snapshot
- Low
- $35
- Average
- $96
- High
- $305

Year & trim-specific price guide
A used 2021 Chevy Equinox transmission control module (Differential Lock, (carrier housing)) costs $35 to $305, with a median asking price of $86. Based on 36 priced salvage yard listings across the US, updated Sep 2, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $71–$176 | 18 | |
| Grade BStandard used | $66–$305 | 16 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $35–$80 | 2 |
Median by grade
Median asking price by seller-reported condition grade · $35–$305 overall range
Trim-specific context
This pricing covers the Differential Lock, (carrier housing) variant of the 2021 Chevy Equinox transmission control module, based on 36 priced listings. Its $86 median is 4% below the 2021 Chevy Equinox transmission control module overall median of $90.
There are 24 other transmission control module variants available for the 2021 Chevy Equinox.
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
Back to full guide
Common questions
Based on 36 priced salvage-yard listings, a used 2021 Chevy Equinox transmission control module in the Differential Lock, (carrier housing) variant lists between $35 and $305, with a median asking price of $86.
The Differential Lock, (carrier housing) variant appears in model years 2015, 2016, 2018, 2020, 2021, 2022, 2023, 2024, 2025. Prices and availability may differ by year.