2020 Buick Encore GX transmission control module — Communication, telematics (OnStar, opt UE1), ID 84979014 price snapshot
- Low
- $40
- Average
- $126
- High
- $232
Year & trim-specific price guide
Used 2020 Buick Encore GX Transmission Control Module — Communication, telematics (OnStar, opt UE1), ID 84979014 prices
Trim-specific pricing for the Communication, telematics (OnStar, opt UE1), ID 84979014 variant of the 2020 Buick Encore GX transmission control module, built from 37 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 updatedOct 14, 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 2020 Buick Encore GX transmission control module (Communication, telematics (OnStar, opt UE1), ID 84979014) costs $40 to $232, with a median asking price of $131. Based on 37 priced salvage yard listings across the US, updated Oct 14, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$127
Grade B (good)$141
USD
Condition comparison
Price by part grade
Grade AClean / low wear$40–$23223 listings
Grade BStandard used$82–$21510 listings
Grade XUngraded$50–$1004 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $40–$232 | 23 | |
| Grade BStandard used | $82–$215 | 10 | |
| Grade XUngraded | $50–$100 | 4 |
Median by grade
Grade price comparison
Grade A$127
Grade B$141
Ungraded$82
Median asking price by seller-reported condition grade · $40–$232 overall range
Trim-specific context
How does the Communication, telematics (OnStar, opt UE1), ID 84979014 compare?
This pricing covers the Communication, telematics (OnStar, opt UE1), ID 84979014 variant of the 2020 Buick Encore GX transmission control module, based on 37 priced listings. Its $131 median is 46% above the 2020 Buick Encore GX transmission control module overall median of $90.
There are 18 other transmission control module variants available for the 2020 Buick Encore GX.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
Communication, telematics (OnStar, opt UE1), ID 84979014 in other model years
Same year, other trims
What other 2020 Buick Encore GX transmission control module variants are available?
Air Bag, air bag (below console)
44 listings$101$25 – $232Theft-Locking, theft deterrent (floor console)
41 listings$46$30 – $170Transmission, CVT
35 listings$51$41 – $322Driver Assist, park assist, (inner RH quarter panel), park assist (opt UD7)
34 listings$75$41 – $203Theft-Locking, lock (LH outside mirror)
32 listings$90$25 – $171Transmission, 9 speed (AT)
31 listings$75$75 – $176Theft-Locking, keyless entry (engine compartment), ID 13518843
29 listings$100$75 – $182Communication, wireless charger, (under console)
28 listings$66$50 – $305Driver Assist, park assist, (inner RH quarter panel), automatic park control (opt UKG)
28 listings$61$50 – $405Body Control (BCM), (below center console)
24 listings$100$45 – $176Theft-Locking, keyless entry (engine compartment), ID 13518840
23 listings$75$50 – $176Memory, (under driver seat)
20 listings$164$100 – $164Driver Assist, surround view (opt UV2), (LH inner quarter panel), ID 86778385
17 listings$105$90 – $268Air Bag, occupant detection (below passenger seat)
15 listings$182$75 – $232ABS, (ABS valve mounted)
13 listings$166$145 – $345Communication, telematics (OnStar, opt UE1), ID 84676081
10 listings$50$40 – $164Differential Lock, (rear differential)
6 listings$65$50 – $163Driver Assist, surround view (opt UV2), (LH inner quarter panel), ID 84863042
5 listings$60$50 – $178Back to full guide
2020 Buick Encore GX transmission control module — all trims
Common questions
2020 Buick Encore GX transmission control module (Communication, telematics (OnStar, opt UE1), ID 84979014) FAQ
How much is a used 2020 Buick Encore GX transmission control module (Communication, telematics (OnStar, opt UE1), ID 84979014)?
Based on 37 priced salvage-yard listings, a used 2020 Buick Encore GX transmission control module in the Communication, telematics (OnStar, opt UE1), ID 84979014 variant lists between $40 and $232, with a median asking price of $131.
Which years use the Communication, telematics (OnStar, opt UE1), ID 84979014 transmission control module?
The Communication, telematics (OnStar, opt UE1), ID 84979014 variant appears in model years 2020, 2021, 2022, 2023, 2024. Prices and availability may differ by year.