Cadillac CTS engine computer — Electronic Control Module, 3.6L, VIN S (8th digit, opt LGX) price snapshot
- Low
- $60
- Average
- $80
- High
- $89

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 Cadillac CTS engine computer (Electronic Control Module, 3.6L, VIN S (8th digit, opt LGX)) costs $60 to $89, with a median asking price of $82. Based on 111 priced salvage yard listings across the US, updated Oct 11, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $60–$89 | 64 | |
| Grade BStandard used | $65–$87 | 34 | |
| Grade CVisible wear | $65–$65 | 2 | |
| Grade XUngraded | $60–$82 | 11 |
Median by grade
Median asking price by seller-reported condition grade · $60–$89 overall range
Trim-specific context
This pricing covers the Electronic Control Module, 3.6L, VIN S (8th digit, opt LGX) variant of the Cadillac CTS engine computer, based on 111 priced listings across 4 model years (2016, 2017, 2018, 2019). Its $82 median is 0% above the Cadillac CTS engine computer overall median of $82.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Price by model year
Other trims
Common questions
Based on 111 priced salvage-yard listings across 4 model years, a used Cadillac CTS engine computer in the Electronic Control Module, 3.6L, VIN S (8th digit, opt LGX) variant lists between $60 and $89, with a median asking price of $82.
The Electronic Control Module, 3.6L, VIN S (8th digit, opt LGX) variant appears in model years 2016, 2017, 2018, 2019. Prices and availability differ by year.
Yes. Grade A has a median of $84, Grade B has a median of $82, Grade C has a median of $65. Grade A parts are in excellent condition, B is good, and C is fair.