2018 Jeep Wrangler transmission control module — Power Supply, voltage converter, VIN W (6th digit, JK body) price snapshot
- Low
- $70
- Average
- $101
- High
- $116

Year & trim-specific price guide
A used 2018 Jeep Wrangler transmission control module (Power Supply, voltage converter, VIN W (6th digit, JK body)) costs $70 to $116, with a median asking price of $103. Based on 6 priced salvage yard listings across the US, updated Aug 27, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $100–$116 | 5 | |
| Grade BStandard used | Updating | — | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $70–$70 | 1 |
Median by grade
Median asking price by seller-reported condition grade · $70–$116 overall range
Trim-specific context
This pricing covers the Power Supply, voltage converter, VIN W (6th digit, JK body) variant of the 2018 Jeep Wrangler transmission control module, based on 6 priced listings. Its $103 median is 31% below the 2018 Jeep Wrangler transmission control module overall median of $149.
There are 23 other transmission control module variants available for the 2018 Jeep Wrangler.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same year, other trims
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Common questions
Based on 6 priced salvage-yard listings, a used 2018 Jeep Wrangler transmission control module in the Power Supply, voltage converter, VIN W (6th digit, JK body) variant lists between $70 and $116, with a median asking price of $103.
In our current dataset, the Power Supply, voltage converter, VIN W (6th digit, JK body) variant appears only for the 2018 model year.