2018 Lexus IS350 transmission control module price snapshot
- Low
- $40
- Average
- $155
- High
- $441
Year-specific price guide
Used 2018 Lexus IS350 Transmission Control Module prices
Year-specific used transmission control module pricing for the 2018 Lexus IS350, built from real salvage yard and junkyard listings with condition grade and fitment 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 updatedSep 28, 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.
Part overview
About the 2018 Lexus IS350 transmission control module
A used 2018 Lexus IS350 transmission control module costs between $40 and $441, with a median of $150 from 185 salvage yard listings.
What the transmission control module does, common failure signs, and prices across all vehicles: used transmission control module price guide →
Also known asTCMTransmission ComputerTransmission ModuleTCU
Price summary
A used 2018 Lexus IS350 transmission control module costs $40 to $441, with a median asking price of $150. Based on 185 priced salvage yard listings across the US, compatible across 2014–2021 (8 model years), updated Sep 28, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$150
Grade B (good)$161
USD
Condition comparison
Price by part grade
Grade AClean / low wear$40–$441161 listings
Grade BStandard used$75–$40516 listings
Grade XUngraded$45–$1508 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $40–$441 | 161 | |
| Grade BStandard used | $75–$405 | 16 | |
| Grade XUngraded | $45–$150 | 8 |
Median by grade
Grade price comparison
Grade A$150
Grade B$161
Ungraded$125
Median asking price by seller-reported condition grade · $40–$441 overall range
Replacement cost
What is the 2018 Lexus IS350 transmission control module replacement cost?
- Used part
- $150
- 2018 Lexus IS350 median asking price
- Labor
- $95–$300
- 1–2 hours at $95–$150/hr
- Estimated total
- $245–$450
- median used part + labor
Labor is a typical independent-shop range for transmission control module replacement, not a quote for your vehicle; it does not include programming and adaptive relearn procedure. The part price is the live median from the salvage-yard listings on this page. Full transmission control module replacement cost breakdown
Fitment matters
Price by trim & variant
Driver Assist, park assist (LH trunk), sport package (F Sport)20 listingsInterchange 2017–2020$120$75 – $405
Steering, (RH engine compartment), sport package (F Sport)17 listingsInterchange 2018–2020$161$75 – $261
Air Bag, occupant detection, (under passenger side front seat)13 listingsInterchange 2015–2021$136$99 – $241
Driver Assist, park assist (LH trunk), w/o sport package10 listingsInterchange 2017–2020$237$127 – $297
Theft-Locking, keyless ignition, (Smart Key), (RH rear quarter panel)6 listingsInterchange 2016–2019$197$75 – $441
Year-specific context
How does the 2018 Lexus IS350 compare?
The 2018 guide is based on 291 observed listings, including 185 with posted prices. Its $150 median is 15% above the Lexus IS350 guide's $131 median.
Among the 10 model years with current price data, 2018 ranks #7 from lowest to highest median.
Interchange data shows this part is also listed under model years 2014, 2015, 2016, 2017, 2019, 2020, 2021. Shopping across all 8 compatible years may surface better prices or condition grades.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Compare model years
What does a Lexus IS350 transmission control module cost in other years?
202562 listings$99$40 – $5252023100 listings$269$59 – $5642022100 listings$240$40 – $5532021100 listingsCompatible$220$49 – $4642020635 listingsCompatible$131$41 – $4412019667 listingsCompatible$131$35 – $4412017833 listingsCompatible$130$35 – $5002016846 listingsCompatible$121$35 – $4412015968 listingsCompatible$110$40 – $435
Keep browsing this vehicle
What other Lexus IS350 parts are priced?
01wide ±106%
AC Compressor
$172median
$50$414
02wide ±128%
ABS Module
$231median
$55$645
03wide ±264%
Air Bag
$235median
$75$1,318
04wide ±167%
Alternator
$106median
$45$400
05wide ±155%
Axle Shaft
$140median
$40$474
06wide ±146%
Blower Motor
$71median
$30$237
07wide ±265%
Brake Caliper
$65median
$18$362
08wide ±112%
Rear Bumper Assembly
$565median
$195$1,464
09wide ±76%
Front Bumper
$275median
$83$500
10wide ±118%
Rear Bumper
$264median
$75$700
11wide ±224%
Car Radio
$500median
$85$2,320
12wide ±205%
Center Console
$150median
$40$656
13wide ±133%
AC Condenser
$133median
$45$400
14wide ±284%
Control Arm
$80median
$28$483
15
Differential
Price data updating
16wide ±90%
Door Assembly
$600median
$240$1,321
17wide ±153%
Drive Shaft
$194median
$49$644
18wide ±188%
Engine
$3,000median
$500$11,800
19wide ±95%
Engine Computer
$399median
$70$828
20wide ±74%
Exhaust Manifold
$354median
$190$713
21wide ±109%
Fender
$250median
$66$611
22wide ±82%
Fog Light
$238median
$75$465
23wide ±126%
Front Seat
$225median
$85$650
24wide ±143%
Fuel Pump
$150median
$35$463
25wide ±158%
Fuel Tank
$150median
$50$525
26wide ±162%
Grille
$295median
$46$1,000
27wide ±128%
Headlight Assembly
$900median
$290$2,590
28wide ±207%
Heater Core
$111median
$50$510
29wide ±60%
Hood
$725median
$274$1,150
30wide ±197%
Ignition Switch
$75median
$40$335
31
Instrument Cluster
Price data updating
32wide ±114%
Intake Manifold
$110median
$50$300
33wide ±222%
Master Cylinder
$76median
$25$362
34wide ±200%
Side Mirror
$244median
$56$1,031
35
Power Steering Pump
Price data updating
36wide ±64%
Quarter Panel
$445median
$271$837
37wide ±227%
Radiator
$174median
$60$849
38wide ±77%
Rear View Mirror
$136median
$55$264
39wide ±132%
Starter
$111median
$35$328
40wide ±184%
Steering Column
$175median
$55$700
41wide ±112%
Steering Rack
$520median
$150$1,317
42wide ±112%
Steering Wheel
$324median
$97$824
43wide ±229%
Strut
$100median
$25$483
44wide ±68%
Sunroof
$326median
$175$620
45wide ±142%
Tail Light
$300median
$50$900
46wide ±88%
Tailgate
$675median
$240$1,426
47wide ±146%
Throttle Body
$110median
$29$350
48
Torque Converter
Price data updating
49
Transfer Case
Price data updating
50wide ±160%
Transmission
$750median
$200$2,600
51
Turbocharger
Price data updating
52wide ±165%
Water Pump
$100median
$35$364
53wide ±181%
Wheels
$261median
$50$995
54wide ±94%
Window Regulator
$100median
$50$237
Common questions
2018 Lexus IS350 transmission control module FAQ
How much is a used 2018 Lexus IS350 transmission control module?
Based on 185 priced salvage-yard listings, a used 2018 Lexus IS350 transmission control module lists between $40 and $441, with a median asking price of $150.
How much does it cost to replace a 2018 Lexus IS350 transmission control module?
Using a used part, a 2018 Lexus IS350 transmission control module replacement typically runs $245–$450 all-in: the median used transmission control module for this year lists at $150, and independent-shop labor for transmission control module replacement typically takes 1–2 hours at $95–$150/hr ($95–$300). The labor figure does not include programming and adaptive relearn procedure. Labor is a national part-level estimate, not a quote for your vehicle.
Will a 2018 Lexus IS350 transmission control module fit another year?
Based on salvage-yard interchange data, listings for the 2018 Lexus IS350 transmission control module also appear under model years 2014, 2015, 2016, 2017, 2019, 2020, 2021, suggesting these years share compatible fitments. Always verify the exact part number, drivetrain, trim, and your VIN before buying — interchange compatibility can vary by variant.
How much is a 2018 Lexus IS350 tcm?
A tcm is another name for a transmission control module. The prices on this page cover the 2018 Lexus IS350 transmission control module — median $150, from 185 listings.