GMC Terrain transmission control module — Driver Assist, park assist, rear park assist (opt UD7) price snapshot
- Low
- $40
- Average
- $135
- High
- $300

Trim-specific price guide
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
A used GMC Terrain transmission control module (Driver Assist, park assist, rear park assist (opt UD7)) costs $40 to $300, with a median asking price of $195. Based on 95 priced salvage yard listings across the US, updated Sep 21, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $40–$300 | 71 | |
| Grade BStandard used | $46–$232 | 21 | |
| Grade XUngraded | $50–$50 | 3 |
Median by grade
Median asking price by seller-reported condition grade · $40–$300 overall range
Trim-specific context
This pricing covers the Driver Assist, park assist, rear park assist (opt UD7) variant of the GMC Terrain transmission control module, based on 95 priced listings across 2 model years (2023, 2024). Its $195 median is 103% above the GMC Terrain transmission control module overall median of $96.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Price by model year
Other trims
Common questions
Based on 95 priced salvage-yard listings across 2 model years, a used GMC Terrain transmission control module in the Driver Assist, park assist, rear park assist (opt UD7) variant lists between $40 and $300, with a median asking price of $195.
The Driver Assist, park assist, rear park assist (opt UD7) variant appears in model years 2023, 2024. Prices and availability differ by year.
Yes. Grade A has a median of $195, Grade B has a median of $190. Grade A parts are in excellent condition, B is good, and C is fair.