2018 Buick Envision transmission control module — Lamps, (headlamp control, opt T95) price snapshot
- Low
- $50
- Average
- $126
- High
- $305

Year & 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 2018 Buick Envision transmission control module (Lamps, (headlamp control, opt T95)) costs $50 to $305, with a median asking price of $106. Based on 31 priced salvage yard listings across the US, updated Sep 28, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $51–$305 | 26 | |
| Grade BStandard used | $61–$61 | 2 | |
| Grade XUngraded | $50–$110 | 3 |
Median by grade
Median asking price by seller-reported condition grade · $50–$305 overall range
Trim-specific context
This pricing covers the Lamps, (headlamp control, opt T95) variant of the 2018 Buick Envision transmission control module, based on 31 priced listings. Its $106 median is 18% above the 2018 Buick Envision transmission control module overall median of $90.
There are 21 other transmission control module variants available for the 2018 Buick Envision.
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 31 priced salvage-yard listings, a used 2018 Buick Envision transmission control module in the Lamps, (headlamp control, opt T95) variant lists between $50 and $305, with a median asking price of $106.
The Lamps, (headlamp control, opt T95) variant appears in model years 2017, 2018, 2019. Prices and availability may differ by year.