2018 GMC Terrain transmission control module — Network Gateway, (center dash), (ID 13599318) price snapshot
- Low
- $41
- Average
- $102
- High
- $249

Year & trim-specific price guide
A used 2018 GMC Terrain transmission control module (Network Gateway, (center dash), (ID 13599318)) costs $41 to $249, with a median asking price of $82. Based on 29 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–$249 | 22 | |
| Grade BStandard used | $41–$127 | 6 | |
| Grade CVisible wear | $120–$120 | 1 | |
| Grade XUngraded | Updating | — |
Median by grade
Median asking price by seller-reported condition grade · $41–$249 overall range
Trim-specific context
This pricing covers the Network Gateway, (center dash), (ID 13599318) variant of the 2018 GMC Terrain transmission control module, based on 29 priced listings. Its $82 median is 15% 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
Back to full guide
Common questions
Based on 29 priced salvage-yard listings, a used 2018 GMC Terrain transmission control module in the Network Gateway, (center dash), (ID 13599318) variant lists between $41 and $249, with a median asking price of $82.
The Network Gateway, (center dash), (ID 13599318) variant appears in model years 2018, 2019. Prices and availability may differ by year.