Used 2021 GMC Sierra 1500 transmission control module – Theft-Locking, theft deterrent, w/o remote start; (at top of steering column)

Year & trim-specific price guide

Used 2021 GMC Sierra 1500 Transmission Control Module — Theft-Locking, theft deterrent, w/o remote start; (at top of steering column) prices

Trim-specific pricing for the Theft-Locking, theft deterrent, w/o remote start; (at top of steering column) variant of the 2021 GMC Sierra 1500 transmission control module, built from 46 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedAug 24, 2026
Price summary

A used 2021 GMC Sierra 1500 transmission control module (Theft-Locking, theft deterrent, w/o remote start; (at top of steering column)) costs $35 to $335, with a median asking price of $65. Based on 46 priced salvage yard listings across the US, updated Aug 24, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$55
Grade B (good)$110

2021 GMC Sierra 1500 transmission control module — Theft-Locking, theft deterrent, w/o remote start; (at top of steering column) price snapshot

USD
Low
$35
Average
$106
High
$335
46 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 (Theft-Locking, theft deterrent, w/o remote start; (at top of steering column))

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Condition comparison

Price by part grade

Grade AClean / low wear$35–$33522 listings
Grade BStandard used$41–$33520 listings
Grade XUngraded$50–$504 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $35–$335 overall range

Trim-specific context

How does the Theft-Locking, theft deterrent, w/o remote start; (at top of steering column) compare?

This pricing covers the Theft-Locking, theft deterrent, w/o remote start; (at top of steering column) variant of the 2021 GMC Sierra 1500 transmission control module, based on 46 priced listings. Its $65 median is 51% below 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

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

Same year, other trims

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

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

50 listings
$365$250 – $435

Fuel Pump, (RH rear frame rail)

50 listings
$162$45 – $271

Memory, (under driver seat)

50 listings
$95$50 – $241

Network Gateway, (LH rear engine compartment)

50 listings
$99$40 – $241

Temperature, (RH under dash), ID 84579087

50 listings
$162$66 – $205

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

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

Transfer Case, (LH inner fender)

48 listings
$143$45 – $222

Transmission Control, (LH core support)

48 listings
$179$50 – $410

Door, (tailgate control)

47 listings
$193$65 – $271

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

47 listings
$149$65 – $297

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

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

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

Towing Control, (behind LH bumper), tow package

44 listings
$149$40 – $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

Common questions

2021 GMC Sierra 1500 transmission control module (Theft-Locking, theft deterrent, w/o remote start; (at top of steering column)) FAQ

How much is a used 2021 GMC Sierra 1500 transmission control module (Theft-Locking, theft deterrent, w/o remote start; (at top of steering column))?

Based on 46 priced salvage-yard listings, a used 2021 GMC Sierra 1500 transmission control module in the Theft-Locking, theft deterrent, w/o remote start; (at top of steering column) variant lists between $35 and $335, with a median asking price of $65.

Which years use the Theft-Locking, theft deterrent, w/o remote start; (at top of steering column) transmission control module?

The Theft-Locking, theft deterrent, w/o remote start; (at top of steering column) variant appears in model years 2021, 2022, 2023, 2024, 2025. Prices and availability may differ by year.

2021 GMC Sierra 1500 Transmission Control Module · Theft-Locking, theft deterrent, w/o remote start; (at top of steering column) Prices | Part Price Guide