2019 GMC Terrain transmission control module — Differential Lock, (carrier housing) price snapshot
- Low
- $46
- Average
- $96
- High
- $305

Year & trim-specific price guide
A used 2019 GMC Terrain transmission control module (Differential Lock, (carrier housing)) costs $46 to $305, with a median asking price of $76. Based on 38 priced salvage yard listings across the US, updated Sep 13, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $46–$176 | 22 | |
| Grade BStandard used | $46–$305 | 13 | |
| Grade CVisible wear | $69–$69 | 1 | |
| Grade XUngraded | $50–$80 | 2 |
Median by grade
Median asking price by seller-reported condition grade · $46–$305 overall range
Trim-specific context
This pricing covers the Differential Lock, (carrier housing) variant of the 2019 GMC Terrain transmission control module, based on 38 priced listings. Its $76 median is 7% above the 2019 GMC Terrain transmission control module overall median of $71.
There are 49 other transmission control module variants available for the 2019 GMC Terrain.
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 38 priced salvage-yard listings, a used 2019 GMC Terrain transmission control module in the Differential Lock, (carrier housing) variant lists between $46 and $305, with a median asking price of $76.
The Differential Lock, (carrier housing) variant appears in model years 2015, 2016, 2017, 2018, 2019, 2024. Prices and availability may differ by year.