2025 GMC Sierra 1500 transmission control module — Transmission Control, (LH core support), 10 speed transmission price snapshot
- Low
- $30
- Average
- $127
- High
- $221

Year & trim-specific price guide
A used 2025 GMC Sierra 1500 transmission control module (Transmission Control, (LH core support), 10 speed transmission) costs $30 to $221, with a median asking price of $110. Based on 46 priced salvage yard listings across the US, updated Aug 29, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $30–$221 | 28 | |
| Grade BStandard used | $88–$221 | 8 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $35–$150 | 10 |
Median by grade
Median asking price by seller-reported condition grade · $30–$221 overall range
Trim-specific context
This pricing covers the Transmission Control, (LH core support), 10 speed transmission variant of the 2025 GMC Sierra 1500 transmission control module, based on 46 priced listings. Its $110 median is 8% below the 2025 GMC Sierra 1500 transmission control module overall median of $120.
There are 25 other transmission control module variants available for the 2025 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
Same year, other trims
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Common questions
Based on 46 priced salvage-yard listings, a used 2025 GMC Sierra 1500 transmission control module in the Transmission Control, (LH core support), 10 speed transmission variant lists between $30 and $221, with a median asking price of $110.
The Transmission Control, (LH core support), 10 speed transmission variant appears in model years 2024, 2025. Prices and availability may differ by year.