2018 Chevy Equinox transmission control module — Transmission, (external trans mounted) price snapshot
- Low
- $51
- Average
- $148
- High
- $254

Year & trim-specific price guide
A used 2018 Chevy Equinox transmission control module (Transmission, (external trans mounted)) costs $51 to $254, with a median asking price of $125. Based on 46 priced salvage yard listings across the US, updated Aug 24, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $51–$254 | 35 | |
| Grade BStandard used | $51–$254 | 10 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $55–$55 | 1 |
Median by grade
Median asking price by seller-reported condition grade · $51–$254 overall range
Trim-specific context
This pricing covers the Transmission, (external trans mounted) variant of the 2018 Chevy Equinox transmission control module, based on 46 priced listings. Its $125 median is 10% below the 2018 Chevy Equinox transmission control module overall median of $139.
There are 35 other transmission control module variants available for the 2018 Chevy Equinox.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same year, other trims
Back to full guide
Common questions
Based on 46 priced salvage-yard listings, a used 2018 Chevy Equinox transmission control module in the Transmission, (external trans mounted) variant lists between $51 and $254, with a median asking price of $125.
In our current dataset, the Transmission, (external trans mounted) variant appears only for the 2018 model year.