2018 Buick Envision transmission control module — Differential Lock, (on differential), ID 4015686 price snapshot
- Low
- $40
- Average
- $95
- High
- $222
Year & trim-specific price guide
Used 2018 Buick Envision Transmission Control Module — Differential Lock, (on differential), ID 4015686 prices
Trim-specific pricing for the Differential Lock, (on differential), ID 4015686 variant of the 2018 Buick Envision transmission control module, built from 38 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
SK
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.
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedSep 28, 2026AS
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.
Price summary
A used 2018 Buick Envision transmission control module (Differential Lock, (on differential), ID 4015686) costs $40 to $222, with a median asking price of $75. Based on 38 priced salvage yard listings across the US, updated Sep 28, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$75
Grade B (good)$45
USD
Condition comparison
Price by part grade
Grade AClean / low wear$40–$22234 listings
Grade BStandard used$45–$453 listings
Grade XUngraded$80–$801 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $40–$222 | 34 | |
| Grade BStandard used | $45–$45 | 3 | |
| Grade XUngraded | $80–$80 | 1 |
Median by grade
Grade price comparison
Grade A$75
Grade B$45
Ungraded$80
Median asking price by seller-reported condition grade · $40–$222 overall range
Trim-specific context
How does the Differential Lock, (on differential), ID 4015686 compare?
This pricing covers the Differential Lock, (on differential), ID 4015686 variant of the 2018 Buick Envision transmission control module, based on 38 priced listings. Its $75 median is 17% below 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
Differential Lock, (on differential), ID 4015686 in other model years
Same year, other trims
What other 2018 Buick Envision transmission control module variants are available?
Communication, (center of dash), (OnStar, opt UE1), ID 84177046
50 listings$51$41 – $75Communication, (center of dash), (OnStar, opt UE1), ID 84128418
49 listings$75$46 – $249Body Control (BCM), (LH side of dash)
48 listings$51$41 – $331Temperature, (center dash), ID 84295139
48 listings$61$50 – $177Air Bag, (below center console)
46 listings$111$51 – $295Information-GPS-TV, human machine interface, (RH dash)
46 listings$145$40 – $350Information-GPS-TV, video processing, (RH quarter panel)
46 listings$111$51 – $305Temperature, (center dash), ID 84221981
45 listings$103$24 – $295Temperature, (center dash), ID 84305957
45 listings$75$40 – $295Driver Assist, pre-crash system (opt UGN)
43 listings$90$25 – $268Memory, (seat memory), (under LH seat)
42 listings$49$41 – $244Temperature, (center dash), ID 84295138
41 listings$99$32 – $270Theft-Locking, (RH quarter panel), ID 13510153
41 listings$76$50 – $295Driver Assist, park assist (RH inner quarter panel), opt UD5
39 listings$107$40 – $260Driver Assist, park assist (RH inner quarter panel), opt UD7
39 listings$120$50 – $236Fuel Pump, (LH cowl)
37 listings$50$25 – $100Theft-Locking, (RH quarter panel), ID 13523223
37 listings$95$35 – $310Driver Assist, park assist (RH inner quarter panel), opt UFQ
36 listings$130$45 – $239Seat, (seat heat and cool), (under RH seat), ID 23426933
36 listings$110$40 – $236Lamps, (headlamp control, opt T95)
31 listings$106$50 – $305Differential Lock, (on differential), ID 84657630
3 listings$71$50 – $75Back to full guide
2018 Buick Envision transmission control module — all trims
Common questions
2018 Buick Envision transmission control module (Differential Lock, (on differential), ID 4015686) FAQ
How much is a used 2018 Buick Envision transmission control module (Differential Lock, (on differential), ID 4015686)?
Based on 38 priced salvage-yard listings, a used 2018 Buick Envision transmission control module in the Differential Lock, (on differential), ID 4015686 variant lists between $40 and $222, with a median asking price of $75.
Which years use the Differential Lock, (on differential), ID 4015686 transmission control module?
The Differential Lock, (on differential), ID 4015686 variant appears in model years 2016, 2017, 2018, 2019, 2020. Prices and availability may differ by year.