2019 Buick Envision transmission control module — Differential Lock, (on differential), ID 4015686 price snapshot
- Low
- $35
- Average
- $74
- High
- $175

Year & trim-specific price guide
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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 2019 Buick Envision transmission control module (Differential Lock, (on differential), ID 4015686) costs $35 to $175, with a median asking price of $55. Based on 28 priced salvage yard listings across the US, updated Oct 17, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $35–$175 | 21 | |
| Grade BStandard used | $50–$130 | 5 | |
| Grade XUngraded | $40–$80 | 2 |
Median by grade
Median asking price by seller-reported condition grade · $35–$175 overall range
Trim-specific context
This pricing covers the Differential Lock, (on differential), ID 4015686 variant of the 2019 Buick Envision transmission control module, based on 28 priced listings. Its $55 median is 50% below the 2019 Buick Envision transmission control module overall median of $110.
There are 24 other transmission control module variants available for the 2019 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 28 priced salvage-yard listings, a used 2019 Buick Envision transmission control module in the Differential Lock, (on differential), ID 4015686 variant lists between $35 and $175, with a median asking price of $55.
The Differential Lock, (on differential), ID 4015686 variant appears in model years 2016, 2017, 2018, 2019, 2020. Prices and availability may differ by year.