Used 2020 Buick Regal transmission control module – Communication, wireless charger (opt K4C)

Year & trim-specific price guide

Used 2020 Buick Regal Transmission Control Module — Communication, wireless charger (opt K4C) prices

Trim-specific pricing for the Communication, wireless charger (opt K4C) variant of the 2020 Buick Regal transmission control module, built from 31 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedSep 25, 2026
Price summary

A used 2020 Buick Regal transmission control module (Communication, wireless charger (opt K4C)) costs $50 to $305, with a median asking price of $66. Based on 31 priced salvage yard listings across the US, updated Sep 25, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$66
Grade B (good)$66

2020 Buick Regal transmission control module — Communication, wireless charger (opt K4C) price snapshot

USD
Low
$50
Average
$88
High
$305
31 priced listings used · last updated Sep 25, 2026· How we price·

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Reporting price for 2020 Buick Regal Transmission Control Module (Communication, wireless charger (opt K4C))

Reason

Condition comparison

Price by part grade

Grade AClean / low wear$50–$30519 listings
Grade BStandard used$56–$1766 listings
Grade XUngraded$75–$1006 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $50–$305 overall range

Trim-specific context

How does the Communication, wireless charger (opt K4C) compare?

This pricing covers the Communication, wireless charger (opt K4C) variant of the 2020 Buick Regal transmission control module, based on 31 priced listings. Its $66 median is 23% below the 2020 Buick Regal transmission control module overall median of $86.

There are 22 other transmission control module variants available for the 2020 Buick Regal.

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, wireless charger (opt K4C) in other model years

Same year, other trims

What other 2020 Buick Regal transmission control module variants are available?

Theft-Locking, keyless entry, (RH dash), ID 13518841

46 listings
$61$50 – $120

Communication, telematics (OnStar, opt UE1)

45 listings
$91$45 – $189

Air Bag, (below center console), w/o automatic braking

44 listings
$100$50 – $201

Driver Assist, park assist, (LH rear body panel), opt UD5

44 listings
$76$26 – $316

Driver Assist, park assist, (LH rear body panel), opt UD7

41 listings
$95$51 – $195

Memory, (seat, mounted under seat), ID 13517130

40 listings
$176$41 – $232

Theft-Locking, keyless entry, (RH dash), ID 13523241

40 listings
$75$25 – $182

Information-GPS-TV, (multimedia player), w/o navigation

39 listings
$118$51 – $305

Air Bag, (below center console), automatic braking (opt UGN)

38 listings
$51$40 – $299

Driver Assist, automatic braking (opt UGN), (LH quarter panel), ID 84218070

38 listings
$91$25 – $268

Driver Assist, automatic braking (opt UGN), (LH quarter panel), ID 84559185

38 listings
$91$25 – $268

Memory, (seat, mounted under seat), ID 13517135

38 listings
$81$45 – $151

Theft-Locking, lock, (rear view mirror)

38 listings
$90$25 – $305

Fuel Pump, (LH rear quarter interior), (power control)

37 listings
$56$45 – $232

Transmission Control, (LH engine compartment)

37 listings
$75$56 – $176

Temperature, (center dash), ID 84330217

33 listings
$99$25 – $191

Information-GPS-TV, (multimedia player), navigation (IOT)

32 listings
$165$100 – $440

Body Control (BCM), (LH dash)

21 listings
$50$50 – $177

Seat, (heater control, below LH seat)

18 listings
$96$40 – $178

Suspension, (chassis equipment), (left quarter panel), ID 84126417

17 listings
$75$50 – $159

Temperature, (center dash), ID 84330220

10 listings
$56$25 – $160

Suspension, (chassis equipment), (left quarter panel), ID 84349032

5 listings
$87$50 – $106

Back to full guide

2020 Buick Regal transmission control module — all trims

Common questions

2020 Buick Regal transmission control module (Communication, wireless charger (opt K4C)) FAQ

How much is a used 2020 Buick Regal transmission control module (Communication, wireless charger (opt K4C))?

Based on 31 priced salvage-yard listings, a used 2020 Buick Regal transmission control module in the Communication, wireless charger (opt K4C) variant lists between $50 and $305, with a median asking price of $66.

Which years use the Communication, wireless charger (opt K4C) transmission control module?

The Communication, wireless charger (opt K4C) variant appears in model years 2019, 2020. Prices and availability may differ by year.

2020 Buick Regal Transmission Control Module · Communication, wireless charger (opt K4C) Prices | Part Price Guide