2019 GMC Terrain transmission control module — Temperature, ID 84221979 price snapshot
- Low
- $54
- Average
- $73
- High
- $118

Year & trim-specific price guide
A used 2019 GMC Terrain transmission control module (Temperature, ID 84221979) costs $54 to $118, with a median asking price of $66. Based on 11 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 | $61–$75 | 4 | |
| Grade BStandard used | $54–$118 | 7 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | Updating | — |
Median by grade
Median asking price by seller-reported condition grade · $54–$118 overall range
Trim-specific context
This pricing covers the Temperature, ID 84221979 variant of the 2019 GMC Terrain transmission control module, based on 11 priced listings. Its $66 median is 7% below 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
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Common questions
Based on 11 priced salvage-yard listings, a used 2019 GMC Terrain transmission control module in the Temperature, ID 84221979 variant lists between $54 and $118, with a median asking price of $66.
The Temperature, ID 84221979 variant appears in model years 2018, 2019. Prices and availability may differ by year.