Used Cadillac CTS transmission control module – Differential Lock, (RH rear frame rail)

Trim-specific price guide

Cadillac CTS Transmission Control Module — Differential Lock, (RH rear frame rail) prices

Pricing for the Differential Lock, (RH rear frame rail) variant of the Cadillac CTS transmission control module, aggregated from 196 salvage yard listings across 5 model years.
SKWritten bySaurabh Kumar · Co-Founder & CTO
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedOct 17, 2026
Price summary

A used Cadillac CTS transmission control module (Differential Lock, (RH rear frame rail)) costs $35 to $440, with a median asking price of $125. Based on 196 priced salvage yard listings across the US, updated Oct 17, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$125
Grade B (good)$86
Grade C (fair)$50

Cadillac CTS transmission control module — Differential Lock, (RH rear frame rail) price snapshot

USD
Low
$35
Average
$122
High
$440
196 priced listings across 5 model years· How we price·

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Reporting price for Cadillac CTS Transmission Control Module (Differential Lock, (RH rear frame rail))

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Condition comparison

Price by part grade

Grade AClean / low wear$40–$440163 listings
Grade BStandard used$40–$18014 listings
Grade CVisible wear$40–$505 listings
Grade XUngraded$35–$10014 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $35–$440 overall range

Trim-specific context

How is the Differential Lock, (RH rear frame rail) priced differently?

This pricing covers the Differential Lock, (RH rear frame rail) variant of the Cadillac CTS transmission control module, based on 196 priced listings across 5 model years (2015, 2016, 2017, 2018, 2019). Its $125 median is 14% above the Cadillac CTS transmission control module overall median of $110.

Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.

Price by model year

What does a Differential Lock, (RH rear frame rail) cost by year?

Other trims

Other Cadillac CTS transmission control module variants

Common questions

Cadillac CTS transmission control module (Differential Lock, (RH rear frame rail)) FAQ

How much is a used Cadillac CTS transmission control module (Differential Lock, (RH rear frame rail))?

Based on 196 priced salvage-yard listings across 5 model years, a used Cadillac CTS transmission control module in the Differential Lock, (RH rear frame rail) variant lists between $35 and $440, with a median asking price of $125.

Which Cadillac CTS years use the Differential Lock, (RH rear frame rail) transmission control module?

The Differential Lock, (RH rear frame rail) variant appears in model years 2015, 2016, 2017, 2018, 2019. Prices and availability differ by year.

Is there a price difference between Differential Lock, (RH rear frame rail) condition grades?

Yes. Grade A has a median of $125, Grade B has a median of $86, Grade C has a median of $50. Grade A parts are in excellent condition, B is good, and C is fair.

Cadillac CTS Transmission Control Module · Differential Lock, (RH rear frame rail) Prices | Part Price Guide