2018 GMC Terrain transmission control module — Body Control (BCM), (center console), active noise control (opt NKC), 1.6L, ID 84281334 price snapshot
- Low
- $44
- Average
- $113
- High
- $321

Year & trim-specific price guide
A used 2018 GMC Terrain transmission control module (Body Control (BCM), (center console), active noise control (opt NKC), 1.6L, ID 84281334) costs $44 to $321, with a median asking price of $120. Based on 35 priced salvage yard listings across the US, updated Sep 13, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $44–$321 | 22 | |
| Grade BStandard used | $50–$159 | 13 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | Updating | — |
Median by grade
Median asking price by seller-reported condition grade · $44–$321 overall range
Trim-specific context
This pricing covers the Body Control (BCM), (center console), active noise control (opt NKC), 1.6L, ID 84281334 variant of the 2018 GMC Terrain transmission control module, based on 35 priced listings. Its $120 median is 69% above the 2018 GMC Terrain transmission control module overall median of $71.
There are 36 other transmission control module variants available for the 2018 GMC Terrain.
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 35 priced salvage-yard listings, a used 2018 GMC Terrain transmission control module in the Body Control (BCM), (center console), active noise control (opt NKC), 1.6L, ID 84281334 variant lists between $44 and $321, with a median asking price of $120.
The Body Control (BCM), (center console), active noise control (opt NKC), 1.6L, ID 84281334 variant appears in model years 2018, 2019. Prices and availability may differ by year.