2021 GMC Canyon transmission control module — Driver Assist, (compass unit, rear package deck) price snapshot
- Low
- $41
- Average
- $200
- High
- $295

Year & trim-specific price guide
A used 2021 GMC Canyon transmission control module (Driver Assist, (compass unit, rear package deck)) costs $41 to $295, with a median asking price of $225. Based on 30 priced salvage yard listings across the US, updated Sep 12, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $41–$295 | 25 | |
| Grade BStandard used | $41–$250 | 5 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | Updating | — |
Median by grade
Median asking price by seller-reported condition grade · $41–$295 overall range
Trim-specific context
This pricing covers the Driver Assist, (compass unit, rear package deck) variant of the 2021 GMC Canyon transmission control module, based on 30 priced listings. Its $225 median is 127% above the 2021 GMC Canyon transmission control module overall median of $99.
There are 44 other transmission control module variants available for the 2021 GMC Canyon.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same year, other trims
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Common questions
Based on 30 priced salvage-yard listings, a used 2021 GMC Canyon transmission control module in the Driver Assist, (compass unit, rear package deck) variant lists between $41 and $295, with a median asking price of $225.
In our current dataset, the Driver Assist, (compass unit, rear package deck) variant appears only for the 2021 model year.