Used 2021 Lexus RX transmission control module from a salvage yard

Year-specific price guide

Used 2021 Lexus RX Transmission Control Module prices

Year-specific used transmission control module pricing for the 2021 Lexus RX, built from real salvage yard and junkyard listings with condition grade and fitment detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedSep 20, 2026

Part overview

About the 2021 Lexus RX transmission control module

A used 2021 Lexus RX transmission control module costs between $37 and $660, with a median of $140 from 827 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 2021 Lexus RX transmission control module costs $37 to $660, with a median asking price of $140. Based on 827 priced salvage yard listings across the US, compatible across 2004–2023 (20 model years), updated Sep 20, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$141
Grade B (good)$159

2021 Lexus RX transmission control module price snapshot

USD
Low
$37
Average
$151
High
$660
995 listings observed · 827 priced listings used · last updated Sep 20, 2026· How we price·

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Reporting price for 2021 Lexus RX Transmission Control Module

Reason

Condition comparison

Price by part grade

Grade AClean / low wear$40–$660670 listings
Grade BStandard used$37–$634129 listings
Grade XUngraded$50–$22528 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $37–$660 overall range

Replacement cost

What is the 2021 Lexus RX transmission control module replacement cost?

ESTIMATE
Used part
$140
2021 Lexus RX median asking price
Labor
$95–$300
1–2 hours at $95–$150/hr
Estimated total
$235–$440
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

Communication, (telematics, under floor console)50 listingsInterchange 2019–2023$171$100 – $270
Air Bag, occupant detection, (under passenger side front seat)49 listingsInterchange 2017–2021$175$68 – $233
Network Gateway, (RH dash)49 listingsInterchange 2016–2022$116$76 – $237
Transfer Case, (RH dash)49 listingsInterchange 2016–2022$139$40 – $405
Theft-Locking, immobilizer, ID 89784-0E07048 listingsInterchange 2018–2022$56$46 – $311
Theft-Locking, immobilizer, ID 89784-3302048 listingsInterchange 2018–2022$56$46 – $311
Fuel Pump, (LH inner quarter)47 listingsInterchange 2016–2021$132$50 – $405
Memory, (mirror, door mounted), LH, ID 89430-0E11146 listingsInterchange 2016–2022$123$37 – $226
Theft-Locking, immobilizer, ID 89784-0604041 listingsInterchange 2019–2023$76$49 – $305
Memory, (mirror, door mounted), RH, ID 89430-0E12138 listingsInterchange 2016–2022$126$37 – $226
Driver Assist, park assist, (RH dash), ID 89340-0E08032 listingsInterchange 2020–2022$205$72 – $445
Cooling Fan, (behind radiator), tow package31 listingsInterchange 2006–2019$51$40 – $201
Cooling Fan, (behind radiator), w/o tow package24 listingsInterchange 2004–2021$66$50 – $295
Multiplex Network, door control (trunk mounted), ID 89222-0E14023 listingsInterchange 2020–2022$258$106 – $660
Theft-Locking, keyless ignition, (Smart Key), (LH dash), ID 89990-0E24020 listingsInterchange 2021–2022$247$100 – $327
Temperature, (heater housing), ID 88650-0E65018 listingsInterchange 2020–2022$211$85 – $295
Memory, (mirror, door mounted), LH, ID 89430-4809110 listingsInterchange 2017–2018$166$50 – $201
Theft-Locking, keyless ignition, (Smart Key), (LH dash), ID 89990-0E19010 listingsInterchange 2020–2021$319$170 – $325
Driver Assist, steering wheel heater control, (steering wheel mounted)7 listingsInterchange 2016–2022$100$72 – $136
Multiplex Network, body control (LH side dash), ID 89220-0E5507 listingsInterchange 2018–2021$221$125 – $231
Memory, (mirror, door mounted), RH, ID 89430-481013 listingsInterchange 2018–2022$50$50 – $162
Multiplex Network, body control (LH side dash), ID 89220-0E5903 listingsInterchange 2020–2021$161$136 – $161
Air Bag, air bag, (under console), ID 89170-0E1002 listingsInterchange 2020–2023$337$150 – $337
Multiplex Network, body control (LH side dash), ID 89220-0EB102 listingsInterchange 2021–2022$256$125 – $256

Year-specific context

How does the 2021 Lexus RX compare?

The 2021 guide is based on 995 observed listings, including 827 with posted prices. Its $140 median is 7% below the Lexus RX guide's $150 median.

Among the 11 model years with current price data, 2021 ranks #3 from lowest to highest median.

Interchange data shows this part is also listed under model years 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2022, 2023. Shopping across all 20 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 RX transmission control module cost in other years?

Keep browsing this vehicle

What other Lexus RX parts are priced?

01wide ±108%

AC Compressor

$150median
$50$375
02wide ±168%

ABS Module

$330median
$90$1,200
03wide ±226%

Air Bag

$306median
$65$1,450
04wide ±140%

Alternator

$127median
$35$390
05wide ±140%

Axle Shaft

$205median
$55$630
06wide ±194%

Blower Motor

$75median
$40$331
07wide ±136%

Brake Caliper

$170median
$30$493
08wide ±191%

Rear Bumper Assembly

$508median
$86$2,025
09wide ±119%

Front Bumper

$310median
$60$800
10wide ±168%

Rear Bumper

$280median
$53$995
11wide ±252%

Car Radio

$577median
$95$3,000
12wide ±114%

Center Console

$166median
$65$445
13wide ±210%

AC Condenser

$187median
$50$837
14wide ±222%

Control Arm

$82median
$45$409
15

Differential

Price data updating

16wide ±87%

Door Assembly

$1,215median
$390$2,500
17wide ±120%

Drive Shaft

$215median
$70$584
18wide ±133%

Engine

$2,563median
$833$7,644
19wide ±154%

Engine Computer

$285median
$85$962
20wide ±89%

Exhaust Manifold

$275median
$146$635
21wide ±112%

Fender

$290median
$64$715
22wide ±113%

Fog Light

$190median
$45$473
23wide ±90%

Front Seat

$294median
$120$650
24wide ±106%

Fuel Pump

$172median
$30$394
25wide ±100%

Fuel Tank

$175median
$50$400
26wide ±245%

Grille

$385median
$62$1,950
27wide ±131%

Headlight Assembly

$1,100median
$342$3,220
28

Heater Core

Price data updating

29wide ±169%

Hood

$380median
$80$1,364
30wide ±154%

Ignition Switch

$78median
$30$270
31

Instrument Cluster

Price data updating

32wide ±138%

Intake Manifold

$180median
$35$530
33wide ±152%

Master Cylinder

$99median
$30$331
34wide ±142%

Side Mirror

$645median
$165$2,000
35

Power Steering Pump

Price data updating

36wide ±73%

Quarter Panel

$631median
$316$1,240
37wide ±199%

Radiator

$289median
$53$1,202
38wide ±155%

Rear View Mirror

$136median
$55$476
39wide ±149%

Starter

$85median
$31$285
40wide ±144%

Steering Column

$250median
$80$800
41wide ±180%

Steering Rack

$218median
$80$865
42wide ±79%

Steering Wheel

$480median
$113$868
43wide ±123%

Strut

$200median
$65$558
44wide ±149%

Sunroof

$455median
$145$1,500
45wide ±161%

Tail Light

$255median
$60$880
46wide ±97%

Tailgate

$2,163median
$350$4,525
47wide ±118%

Throttle Body

$146median
$30$375
48tight ±17%

Torque Converter

$300median
$200$300
49wide ±187%

Transfer Case

$255median
$98$1,050
50wide ±91%

Transmission

$2,342median
$950$5,200
51spread ±33%

Turbocharger

$674median
$450$900
52wide ±113%

Water Pump

$150median
$25$364
53wide ±155%

Wheels

$275median
$50$900
54wide ±178%

Window Regulator

$82median
$40$332

Common questions

2021 Lexus RX transmission control module FAQ

How much is a used 2021 Lexus RX transmission control module?

Based on 827 priced salvage-yard listings, a used 2021 Lexus RX transmission control module lists between $37 and $660, with a median asking price of $140.

How much does it cost to replace a 2021 Lexus RX transmission control module?

Using a used part, a 2021 Lexus RX transmission control module replacement typically runs $235–$440 all-in: the median used transmission control module for this year lists at $140, 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 2021 Lexus RX transmission control module fit another year?

Based on salvage-yard interchange data, listings for the 2021 Lexus RX transmission control module also appear under model years 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2022, 2023, 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 2021 Lexus RX tcm?

A tcm is another name for a transmission control module. The prices on this page cover the 2021 Lexus RX transmission control module — median $140, from 827 listings.

2021 Lexus RX Transmission Control Module Cost — Used From $37 to $660