Used 2021 GMC Sierra 1500 transmission control module – Temperature, (RH under dash), ID 84579087

Year & trim-specific price guide

Used 2021 GMC Sierra 1500 Transmission Control Module — Temperature, (RH under dash), ID 84579087 prices

Trim-specific pricing for the Temperature, (RH under dash), ID 84579087 variant of the 2021 GMC Sierra 1500 transmission control module, built from 50 real salvage yard listings with condition grade detail.

2021 GMC Sierra 1500 · Temperature, (RH under dash), ID 84579087

$162

median asking price

50 priced listings · $66–$205

Price summary

A used 2021 GMC Sierra 1500 transmission control module (Temperature, (RH under dash), ID 84579087) costs $66 to $205, with a median asking price of $162. Based on 50 priced salvage yard listings across the US, updated Aug 24, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$162
Grade B (good)$162

2021 GMC Sierra 1500 transmission control module — Temperature, (RH under dash), ID 84579087 price snapshot

USD
Low
$66
Average
$173
High
$205
50 priced listings used · last updated Aug 24, 2026· How we price·

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Reporting price for 2021 GMC Sierra 1500 Transmission Control Module (Temperature, (RH under dash), ID 84579087)

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Condition comparison

Price by part grade

Grade AClean / low wear$75–$20534 listings
Grade BStandard used$66–$20516 listings
Grade CVisible wearUpdating
Grade XUngradedUpdating

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $66–$205 overall range

Trim-specific context

How does the Temperature, (RH under dash), ID 84579087 compare?

This pricing covers the Temperature, (RH under dash), ID 84579087 variant of the 2021 GMC Sierra 1500 transmission control module, based on 50 priced listings. Its $162 median is 22% above the 2021 GMC Sierra 1500 transmission control module overall median of $133.

There are 32 other transmission control module variants available for the 2021 GMC Sierra 1500.

Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.

Same trim, other years

Temperature, (RH under dash), ID 84579087 in other model years

All years
202548 listings$75$29 – $262202450 listings$190$75 – $232202350 listings$162$66 – $205202234 listings$195$100 – $195

Same year, other trims

What other 2021 GMC Sierra 1500 transmission control module variants are available?

Memory, (under driver seat)

50 listings$95$50 – $241

Fuel Pump, (RH rear frame rail)

50 listings$162$45 – $271

Network Gateway, (LH rear engine compartment)

50 listings$99$40 – $241

Driver Assist, camera, (RH cab back panel), opt UVS (360 view, digital camera)

50 listings$365$250 – $435

Theft-Locking, keyless entry (LH under dash)

50 listings$123$40 – $312

Air Bag, (RH rear floor)

49 listings$99$51 – $450

Body Control (BCM), (under steering wheel mounted)

49 listings$159$50 – $272

Driver Assist, park assist, (RH cab back panel)

49 listings$143$41 – $271

Transfer Case, (LH inner fender)

48 listings$143$45 – $222

Transmission Control, (LH core support)

48 listings$179$50 – $410

Theft-Locking, door lock control (back glass LH frame)

48 listings$153$30 – $271

Towing Control, (behind LH bumper), trailer lamp control

48 listings$155$50 – $340

Driver Assist, camera, (RH cab back panel), opt UVN (bed view camera)

47 listings$149$65 – $297

Door, (tailgate control)

47 listings$193$65 – $271

Power Supply, (behind rear seat)

47 listings$99$45 – $271

Communication, (telematics, OnStar, LH dash), ID 84833055

46 listings$99$56 – $271

Communication, (telematics, OnStar, LH dash), ID 84967568

46 listings$99$56 – $271

Communication, (telematics, OnStar, LH dash), ID 85129541

46 listings$99$56 – $271

Communication, (telematics, OnStar, LH dash), ID 85527366

46 listings$99$56 – $271

Communication, (telematics, OnStar, LH dash), ID 85543261

46 listings$99$56 – $271

Communication, (telematics, OnStar, LH dash), ID 86815701

46 listings$99$56 – $271

Driver Assist, TPMS (mounted behind rear bumper)

46 listings$168$71 – $415

Theft-Locking, theft deterrent, w/o remote start; (at top of steering column)

46 listings$65$35 – $335

Steering, (steering mounted), ID 13524104

45 listings$153$35 – $271

Steering, (steering mounted), ID 13535112

45 listings$153$35 – $271

Steering, (steering mounted), ID 84836986

45 listings$175$51 – $228

Towing Control, (behind LH bumper), tow package

44 listings$149$40 – $271

Temperature, (RH under dash), ID 84579089

44 listings$179$59 – $271

Theft-Locking, theft deterrent, remote start (opt AVJ), (under floor console)

44 listings$110$35 – $271

Suspension, (rear frame)

41 listings$111$60 – $271

Communication, (telematics, OnStar, LH dash), ID 85124234

36 listings$91$60 – $260

Communication, (telematics, OnStar, LH dash), ID 84960632

15 listings$76$60 – $260

Back to full guide

2021 GMC Sierra 1500 transmission control module — all trims

View 2021 guide

Common questions

2021 GMC Sierra 1500 transmission control module (Temperature, (RH under dash), ID 84579087) FAQ

How much is a used 2021 GMC Sierra 1500 transmission control module (Temperature, (RH under dash), ID 84579087)?

Based on 50 priced salvage-yard listings, a used 2021 GMC Sierra 1500 transmission control module in the Temperature, (RH under dash), ID 84579087 variant lists between $66 and $205, with a median asking price of $162.

Which years use the Temperature, (RH under dash), ID 84579087 transmission control module?

The Temperature, (RH under dash), ID 84579087 variant appears in model years 2021, 2022, 2023, 2024, 2025. Prices and availability may differ by year.