GMC Sierra 1500 transmission control module — Theft-Locking, door lock control (back glass LH frame) price snapshot
- Low
- $25
- Average
- $126
- High
- $271

Trim-specific price guide
A used GMC Sierra 1500 transmission control module (Theft-Locking, door lock control (back glass LH frame)) costs $25 to $271, with a median asking price of $153. Based on 231 priced salvage yard listings across the US, updated Sep 10, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $30–$271 | 151 | |
| Grade BStandard used | $25–$235 | 76 | |
| Grade CVisible wear | $30–$30 | 2 | |
| Grade XUngraded | $50–$50 | 2 |
Median by grade
Median asking price by seller-reported condition grade · $25–$271 overall range
Trim-specific context
This pricing covers the Theft-Locking, door lock control (back glass LH frame) variant of the GMC Sierra 1500 transmission control module, based on 231 priced listings across 5 model years (2021, 2022, 2023, 2024, 2025). Its $153 median is 9% above the GMC Sierra 1500 transmission control module overall median of $140.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Price by model year
Other trims
Common questions
Based on 231 priced salvage-yard listings across 5 model years, a used GMC Sierra 1500 transmission control module in the Theft-Locking, door lock control (back glass LH frame) variant lists between $25 and $271, with a median asking price of $153.
The Theft-Locking, door lock control (back glass LH frame) variant appears in model years 2021, 2022, 2023, 2024, 2025. Prices and availability differ by year.
Yes. Grade A has a median of $135, Grade B has a median of $153, Grade C has a median of $30. Grade A parts are in excellent condition, B is good, and C is fair.