2025 Cadillac CT5 transmission control module — Communication, telematics (OnStar, opt UE1), w/o hands free driving price snapshot
- Low
- $56
- Average
- $123
- High
- $295

Year & trim-specific price guide
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
A used 2025 Cadillac CT5 transmission control module (Communication, telematics (OnStar, opt UE1), w/o hands free driving) costs $56 to $295, with a median asking price of $90. Based on 47 priced salvage yard listings across the US, updated Oct 3, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $56–$295 | 29 | |
| Grade BStandard used | $56–$295 | 16 | |
| Grade CVisible wear | $106–$106 | 1 | |
| Grade XUngraded | $70–$70 | 1 |
Median by grade
Median asking price by seller-reported condition grade · $56–$295 overall range
Trim-specific context
This pricing covers the Communication, telematics (OnStar, opt UE1), w/o hands free driving variant of the 2025 Cadillac CT5 transmission control module, based on 47 priced listings. Its $90 median is 22% below the 2025 Cadillac CT5 transmission control module overall median of $116.
There are 13 other transmission control module variants available for the 2025 Cadillac CT5.
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 47 priced salvage-yard listings, a used 2025 Cadillac CT5 transmission control module in the Communication, telematics (OnStar, opt UE1), w/o hands free driving variant lists between $56 and $295, with a median asking price of $90.
The Communication, telematics (OnStar, opt UE1), w/o hands free driving variant appears in model years 2021, 2022, 2023, 2024, 2025. Prices and availability may differ by year.