2018 GMC Terrain transmission control module — Communication, telematics (opt UE1), (center dash), ID 84298328 price snapshot
- Low
- $41
- Average
- $50
- High
- $75

Year & trim-specific price guide
A used 2018 GMC Terrain transmission control module (Communication, telematics (opt UE1), (center dash), ID 84298328) costs $41 to $75, with a median asking price of $51. Based on 50 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 | $41–$71 | 38 | |
| Grade BStandard used | $41–$75 | 12 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | Updating | — |
Median by grade
Median asking price by seller-reported condition grade · $41–$75 overall range
Trim-specific context
This pricing covers the Communication, telematics (opt UE1), (center dash), ID 84298328 variant of the 2018 GMC Terrain transmission control module, based on 50 priced listings. Its $51 median is 28% below 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 50 priced salvage-yard listings, a used 2018 GMC Terrain transmission control module in the Communication, telematics (opt UE1), (center dash), ID 84298328 variant lists between $41 and $75, with a median asking price of $51.
The Communication, telematics (opt UE1), (center dash), ID 84298328 variant appears in model years 2018, 2019. Prices and availability may differ by year.