2021 GMC Sierra 1500 transmission control module — Theft-Locking, theft deterrent, remote start (opt AVJ), (under floor console) price snapshot
- Low
- $35
- Average
- $114
- High
- $271
Year & trim-specific price guide
Used 2021 GMC Sierra 1500 Transmission Control Module — Theft-Locking, theft deterrent, remote start (opt AVJ), (under floor console) prices
Trim-specific pricing for the Theft-Locking, theft deterrent, remote start (opt AVJ), (under floor console) variant of the 2021 GMC Sierra 1500 transmission control module, built from 44 real salvage yard listings with condition grade detail.
Price summary
A used 2021 GMC Sierra 1500 transmission control module (Theft-Locking, theft deterrent, remote start (opt AVJ), (under floor console)) costs $35 to $271, with a median asking price of $110. Based on 44 priced salvage yard listings across the US, updated Aug 24, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$61
Grade B (good)$110
USD
Condition comparison
Price by part grade
Grade AClean / low wear$35–$18220 listings
Grade BStandard used$51–$27124 listings
Grade CVisible wearUpdating
Grade XUngradedUpdating
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $35–$182 | 20 | |
| Grade BStandard used | $51–$271 | 24 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | Updating | — |
Median by grade
Grade price comparison
Grade A$61
Grade B$110
Median asking price by seller-reported condition grade · $35–$271 overall range
Trim-specific context
How does the Theft-Locking, theft deterrent, remote start (opt AVJ), (under floor console) compare?
This pricing covers the Theft-Locking, theft deterrent, remote start (opt AVJ), (under floor console) variant of the 2021 GMC Sierra 1500 transmission control module, based on 44 priced listings. Its $110 median is 17% 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, remote start (opt AVJ), (under floor console) in other model years
Same year, other trims
What other 2021 GMC Sierra 1500 transmission control module variants are available?
Memory, (under driver seat)
50 listings$95$50 – $241Fuel Pump, (RH rear frame rail)
50 listings$162$45 – $271Network Gateway, (LH rear engine compartment)
50 listings$99$40 – $241Driver Assist, camera, (RH cab back panel), opt UVS (360 view, digital camera)
50 listings$365$250 – $435Theft-Locking, keyless entry (LH under dash)
50 listings$123$40 – $312Temperature, (RH under dash), ID 84579087
50 listings$162$66 – $205Air Bag, (RH rear floor)
49 listings$99$51 – $450Body Control (BCM), (under steering wheel mounted)
49 listings$159$50 – $272Driver Assist, park assist, (RH cab back panel)
49 listings$143$41 – $271Transfer Case, (LH inner fender)
48 listings$143$45 – $222Transmission Control, (LH core support)
48 listings$179$50 – $410Theft-Locking, door lock control (back glass LH frame)
48 listings$153$30 – $271Towing Control, (behind LH bumper), trailer lamp control
48 listings$155$50 – $340Driver Assist, camera, (RH cab back panel), opt UVN (bed view camera)
47 listings$149$65 – $297Door, (tailgate control)
47 listings$193$65 – $271Power Supply, (behind rear seat)
47 listings$99$45 – $271Communication, (telematics, OnStar, LH dash), ID 84833055
46 listings$99$56 – $271Communication, (telematics, OnStar, LH dash), ID 84967568
46 listings$99$56 – $271Communication, (telematics, OnStar, LH dash), ID 85129541
46 listings$99$56 – $271Communication, (telematics, OnStar, LH dash), ID 85527366
46 listings$99$56 – $271Communication, (telematics, OnStar, LH dash), ID 85543261
46 listings$99$56 – $271Communication, (telematics, OnStar, LH dash), ID 86815701
46 listings$99$56 – $271Driver Assist, TPMS (mounted behind rear bumper)
46 listings$168$71 – $415Theft-Locking, theft deterrent, w/o remote start; (at top of steering column)
46 listings$65$35 – $335Steering, (steering mounted), ID 13524104
45 listings$153$35 – $271Steering, (steering mounted), ID 13535112
45 listings$153$35 – $271Steering, (steering mounted), ID 84836986
45 listings$175$51 – $228Towing Control, (behind LH bumper), tow package
44 listings$149$40 – $271Temperature, (RH under dash), ID 84579089
44 listings$179$59 – $271Suspension, (rear frame)
41 listings$111$60 – $271Communication, (telematics, OnStar, LH dash), ID 85124234
36 listings$91$60 – $260Communication, (telematics, OnStar, LH dash), ID 84960632
15 listings$76$60 – $260Back 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, remote start (opt AVJ), (under floor console)) FAQ
How much is a used 2021 GMC Sierra 1500 transmission control module (Theft-Locking, theft deterrent, remote start (opt AVJ), (under floor console))?
Based on 44 priced salvage-yard listings, a used 2021 GMC Sierra 1500 transmission control module in the Theft-Locking, theft deterrent, remote start (opt AVJ), (under floor console) variant lists between $35 and $271, with a median asking price of $110.
Which years use the Theft-Locking, theft deterrent, remote start (opt AVJ), (under floor console) transmission control module?
The Theft-Locking, theft deterrent, remote start (opt AVJ), (under floor console) variant appears in model years 2021, 2022, 2023, 2024, 2025. Prices and availability may differ by year.