2018 Cadillac CTS transmission control module — Theft-Locking, keyless entry, (RH rear quarter) price snapshot
- Low
- $35
- Average
- $100
- High
- $241
Year & trim-specific price guide
Used 2018 Cadillac CTS Transmission Control Module — Theft-Locking, keyless entry, (RH rear quarter) prices
Trim-specific pricing for the Theft-Locking, keyless entry, (RH rear quarter) variant of the 2018 Cadillac CTS transmission control module, built from 43 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
SK
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.
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedOct 10, 2026AS
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.
Price summary
A used 2018 Cadillac CTS transmission control module (Theft-Locking, keyless entry, (RH rear quarter)) costs $35 to $241, with a median asking price of $75. Based on 43 priced salvage yard listings across the US, updated Oct 10, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$90
Grade B (good)$99
Grade C (fair)$75
USD
Condition comparison
Price by part grade
Grade AClean / low wear$35–$24131 listings
Grade BStandard used$75–$24110 listings
Grade CVisible wear$75–$751 listings
Grade XUngraded$75–$751 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $35–$241 | 31 | |
| Grade BStandard used | $75–$241 | 10 | |
| Grade CVisible wear | $75–$75 | 1 | |
| Grade XUngraded | $75–$75 | 1 |
Median by grade
Grade price comparison
Grade A$90
Grade B$99
Grade C$75
Ungraded$75
Median asking price by seller-reported condition grade · $35–$241 overall range
Trim-specific context
How does the Theft-Locking, keyless entry, (RH rear quarter) compare?
This pricing covers the Theft-Locking, keyless entry, (RH rear quarter) variant of the 2018 Cadillac CTS transmission control module, based on 43 priced listings. Its $75 median is 32% below the 2018 Cadillac CTS transmission control module overall median of $110.
There are 36 other transmission control module variants available for the 2018 Cadillac CTS.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
Theft-Locking, keyless entry, (RH rear quarter) in other model years
Same year, other trims
What other 2018 Cadillac CTS transmission control module variants are available?
Memory, (seat)
50 listings$95$50 – $241Network Gateway, (center dash mounted)
49 listings$241$45 – $241Temperature, ID 13508457
49 listings$130$30 – $234Temperature, ID 84428986
49 listings$130$30 – $234Fuel Pump, (LH mid undercarriage), 6.2L (VIN 6, 8th digit, opt LT4)
48 listings$110$45 – $241Transfer Case, (RH quarter panel)
47 listings$110$50 – $335Body Control (BCM), ID 13528945
46 listings$241$71 – $272Body Control (BCM), ID 13595583
46 listings$241$71 – $272Fuel Pump, (LH mid undercarriage), 3.6L (VIN 8, 8th digit, opt LF3)
45 listings$222$20 – $241Cooling Fan, (shroud), 2.0L
44 listings$75$41 – $282Cooling Fan, (shroud), 3.6L
44 listings$75$41 – $282Transmission, (LH front rail), ID 24279973
44 listings$222$65 – $330Parking Brake, (park brake, rear frame)
43 listings$101$30 – $271Temperature, ID 13508445
43 listings$136$25 – $295Temperature, ID 84428987
43 listings$136$25 – $295Transmission, (LH front rail), ID 24266725
42 listings$115$50 – $315Transmission, (LH front rail), ID 24289543
42 listings$95$61 – $232Driver Assist, park assist, (below RH package deck), ID 84050285 (opt UFQ)
41 listings$110$50 – $405Communication, wireless charger (opt K4C), ID 13521066
39 listings$99$46 – $241Communication, telematics (OnStar opt UE1), ID 84351182
38 listings$99$45 – $121Communication, telematics (OnStar opt UE1), ID 84431137
38 listings$99$45 – $121Differential Lock, (RH rear frame rail)
38 listings$140$42 – $296Driver Assist, pre-crash system (opt UGN), (LH quarter panel), ID 84218070
38 listings$143$29 – $241Driver Assist, pre-crash system (opt UGN), (LH quarter panel), ID 84559185
38 listings$143$29 – $241Lamps, HID headlamps, (RH engine bay)
37 listings$104$33 – $201Theft-Locking, theft deterrent, (below center console)
34 listings$75$41 – $271Communication, wireless charger (opt K4C), ID 84162497
33 listings$99$45 – $241Air Bag, (below console)
32 listings$109$25 – $272Information-GPS-TV, ID 23345772
32 listings$113$40 – $405Information-GPS-TV, ID 84296482
31 listings$237$79 – $425Communication, vehicle-to-vehicle (V2V), (rear package shelf), ID 84423365
30 listings$135$40 – $257Seat, (below RH front seat)
25 listings$106$86 – $238Information-GPS-TV, ID 84200307
19 listings$130$50 – $250Communication, wireless charger (opt K4C), ID 84490388
15 listings$75$50 – $191Communication, vehicle-to-vehicle (V2V), (rear package shelf), ID 84360587
13 listings$130$60 – $335Information-GPS-TV, ID 84296804
13 listings$141$96 – $315Back to full guide
2018 Cadillac CTS transmission control module — all trims
Common questions
2018 Cadillac CTS transmission control module (Theft-Locking, keyless entry, (RH rear quarter)) FAQ
How much is a used 2018 Cadillac CTS transmission control module (Theft-Locking, keyless entry, (RH rear quarter))?
Based on 43 priced salvage-yard listings, a used 2018 Cadillac CTS transmission control module in the Theft-Locking, keyless entry, (RH rear quarter) variant lists between $35 and $241, with a median asking price of $75.
Which years use the Theft-Locking, keyless entry, (RH rear quarter) transmission control module?
The Theft-Locking, keyless entry, (RH rear quarter) variant appears in model years 2017, 2018, 2019. Prices and availability may differ by year.