2018 GMC Terrain transmission control module — Body Control (BCM), (center console), body control, ID 13594646 price snapshot
- Low
- $25
- Average
- $106
- High
- $331

Year & trim-specific price guide
A used 2018 GMC Terrain transmission control module (Body Control (BCM), (center console), body control, ID 13594646) costs $25 to $331, with a median asking price of $71. Based on 36 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 | $25–$331 | 23 | |
| Grade BStandard used | $51–$162 | 12 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $50–$50 | 1 |
Median by grade
Median asking price by seller-reported condition grade · $25–$331 overall range
Trim-specific context
This pricing covers the Body Control (BCM), (center console), body control, ID 13594646 variant of the 2018 GMC Terrain transmission control module, based on 36 priced listings. Its $71 median is 0% 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 36 priced salvage-yard listings, a used 2018 GMC Terrain transmission control module in the Body Control (BCM), (center console), body control, ID 13594646 variant lists between $25 and $331, with a median asking price of $71.
The Body Control (BCM), (center console), body control, ID 13594646 variant appears in model years 2018, 2019. Prices and availability may differ by year.