2021 Chevy Silverado 1500 transmission control module — Theft-Locking, door lock control (back glass LH frame) price snapshot
- Low
- $30
- Average
- $134
- High
- $235
Year & trim-specific price guide
Used 2021 Chevy Silverado 1500 Transmission Control Module — Theft-Locking, door lock control (back glass LH frame) prices
Trim-specific pricing for the Theft-Locking, door lock control (back glass LH frame) variant of the 2021 Chevy Silverado 1500 transmission control module, built from 48 real salvage yard listings with condition grade detail.
Price summary
A used 2021 Chevy Silverado 1500 transmission control module (Theft-Locking, door lock control (back glass LH frame)) costs $30 to $235, with a median asking price of $147. Based on 48 priced salvage yard listings across the US, updated Sep 3, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$130
Grade B (good)$173
Grade C (fair)$30
USD
Condition comparison
Price by part grade
Grade AClean / low wear$40–$20730 listings
Grade BStandard used$41–$23517 listings
Grade CVisible wear$30–$301 listings
Grade XUngradedUpdating
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $40–$207 | 30 | |
| Grade BStandard used | $41–$235 | 17 | |
| Grade CVisible wear | $30–$30 | 1 | |
| Grade XUngraded | Updating | — |
Median by grade
Grade price comparison
Grade A$130
Grade B$173
Grade C$30
Median asking price by seller-reported condition grade · $30–$235 overall range
Trim-specific context
How does the Theft-Locking, door lock control (back glass LH frame) compare?
This pricing covers the Theft-Locking, door lock control (back glass LH frame) variant of the 2021 Chevy Silverado 1500 transmission control module, based on 48 priced listings. Its $147 median is 23% below the 2021 Chevy Silverado 1500 transmission control module overall median of $190.
There are 26 other transmission control module variants available for the 2021 Chevy Silverado 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, door lock control (back glass LH frame) in other model years
Same year, other trims
What other 2021 Chevy Silverado 1500 transmission control module variants are available?
Communication, wireless charger (under console, opt K4C)
50 listings$190$56 – $232Driver Assist, park assist, (RH cab back panel)
50 listings$190$99 – $274Fuel Pump, (RH rear frame rail)
50 listings$232$50 – $232Power Supply, (behind rear seat)
50 listings$177$50 – $232Temperature, (RH under dash), ID 84579087
50 listings$190$40 – $200Communication, telematics (LH dash)
50 listings$190$56 – $235Body Control (BCM), (under steering column)
50 listings$190$60 – $232Temperature, (RH under dash), ID 84579089
50 listings$190$50 – $195Transfer Case, (LH inner fender)
50 listings$190$51 – $255Transmission Control, (LH core support), 10 speed transmission
50 listings$159$50 – $296Transmission Control, (LH core support), 8 speed transmission
50 listings$190$55 – $237Theft-Locking, theft deterrent, remote start (opt AVJ), (under floor console)
50 listings$145$35 – $195Memory, (under driver seat)
49 listings$51$41 – $232Air Bag, (RH rear floor)
49 listings$192$61 – $233Towing Control, (behind LH bumper), tow package
49 listings$190$50 – $226Theft-Locking, theft deterrent, w/o remote start; (at top of steering column)
49 listings$125$25 – $270Steering, (steering column mounted), ID 13524104
48 listings$166$50 – $254Steering, (steering column mounted), ID 13535112
48 listings$166$50 – $254Door, (tailgate control)
48 listings$117$50 – $243Suspension, (rear frame)
48 listings$111$40 – $300Network Gateway, (LH rear engine compartment)
47 listings$232$46 – $232Towing Control, (behind LH bumper), trailer lamp control
47 listings$149$50 – $220Theft-Locking, keyless entry (LH under dash)
46 listings$190$66 – $232Steering, (steering column mounted), ID 84836986
44 listings$149$45 – $235Driver Assist, camera, (RH cab back panel), opt UVN (bed view camera)
44 listings$190$50 – $286Driver Assist, camera, (RH cab back panel), opt UVS (360 view, digital camera)
43 listings$273$30 – $475Back to full guide
2021 Chevy Silverado 1500 transmission control module — all trims
Common questions
2021 Chevy Silverado 1500 transmission control module (Theft-Locking, door lock control (back glass LH frame)) FAQ
How much is a used 2021 Chevy Silverado 1500 transmission control module (Theft-Locking, door lock control (back glass LH frame))?
Based on 48 priced salvage-yard listings, a used 2021 Chevy Silverado 1500 transmission control module in the Theft-Locking, door lock control (back glass LH frame) variant lists between $30 and $235, with a median asking price of $147.
Which years use the Theft-Locking, door lock control (back glass LH frame) transmission control module?
The Theft-Locking, door lock control (back glass LH frame) variant appears in model years 2021, 2023, 2024. Prices and availability may differ by year.