Used 2021 Chevy Tahoe transmission control module from a salvage yard

Year-specific price guide

Used 2021 Chevy Tahoe Transmission Control Module prices

Year-specific used transmission control module pricing for the 2021 Chevy Tahoe, 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 updatedAug 23, 2026

Part overview

About the 2021 Chevy Tahoe transmission control module

A used 2021 Chevy Tahoe transmission control module costs between $25 and $415, with a median of $100 from 580 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 Chevy Tahoe transmission control module costs $25 to $415, with a median asking price of $100. Based on 580 priced salvage yard listings across the US, compatible across 2017–2026 (9 model years), updated Aug 23, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$110
Grade B (good)$110

2021 Chevy Tahoe transmission control module price snapshot

USD
Low
$25
Average
$116
High
$415
662 listings observed · 580 priced listings used · last updated Aug 23, 2026· How we price·

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Reporting price for 2021 Chevy Tahoe Transmission Control Module

Reason

Condition comparison

Price by part grade

Grade AClean / low wear$25–$359362 listings
Grade BStandard used$35–$415180 listings
Grade XUngraded$25–$15038 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $25–$415 overall range

Replacement cost

What is the 2021 Chevy Tahoe transmission control module replacement cost?

ESTIMATE
Used part
$100
2021 Chevy Tahoe median asking price
Labor
$95–$300
1–2 hours at $95–$150/hr
Estimated total
$195–$400
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

Air Bag, (below LH front seat)39 listingsInterchange 2021–2025$111$50 – $172
Communication, telematics (OnStar, opt UE1), ID 8552881338 listingsInterchange 2022–2024$99$50 – $305
Body Control (BCM), (LH firewall), ID 1354697837 listingsInterchange 2021–2024$70$35 – $176
Fuel Pump, (LH frame rail)37 listingsInterchange 2021–2026$51$35 – $176
Body Control (BCM), (LH firewall), ID 1354180836 listingsInterchange 2021–2024$70$35 – $176
Communication, wireless charger, (under console)34 listingsInterchange 2020–2024$71$25 – $166
Theft-Locking, (theft deterrent, under floor console)34 listingsInterchange 2021–2024$100$41 – $305
Door, hands free rear closer, (inside lifgate), ID 2341454432 listingsInterchange 2020–2023$125$25 – $415
Memory, (below driver seat), ID 1353604031 listingsInterchange 2020–2024$51$41 – $260
Communication, telematics (OnStar, opt UE1), ID 8494616030 listingsInterchange 2021–2022$218$60 – $395
Lamps, (LH dash), ID 1354534929 listingsInterchange 2021–2023$147$78 – $305
Transmission, (on transmission)29 listingsInterchange 2017–2025$110$30 – $221
Door, power liftgate, (inside LH quarter panel)28 listingsInterchange 2021–2022$95$50 – $214
Driver Assist, park assist, (RH quarter panel)21 listingsInterchange 2021–2023$128$46 – $147
Towing Control, (RH rear frame)19 listingsInterchange 2021–2024$153$35 – $187
Memory, (below driver seat), ID 1353604115 listingsInterchange 2021–2024$51$41 – $147
Network Gateway, (LH firewall)11 listingsInterchange 2021–2023$125$85 – $145
Driver Assist, forward collision warning, (LH roof)10 listingsInterchange 2020–2023$153$95 – $164
Lamps, (LH dash), ID 1354136910 listings$153$61 – $268
Suspension, air suspension (opt F47), suspension control (LH quarter panel)10 listingsInterchange 2021–2025$153$100 – $240
Suspension, suspension control, (rear center frame mounted)9 listingsInterchange 2021–2024$111$111 – $128
Transfer Case, (LH inner fender)8 listingsInterchange 2019–2024$176$150 – $176
Differential Lock, (LH quarter panel)7 listings$153$131 – $187
Communication, telematics (OnStar, opt UE1), ID 849461632 listingsInterchange 2021–2022$190$100 – $190
Door, hands free rear closer, (inside lifgate), ID 867775512 listingsInterchange 2022–2024$225$46 – $225

Year-specific context

How does the 2021 Chevy Tahoe compare?

The 2021 guide is based on 662 observed listings, including 580 with posted prices. Its $100 median is 16% below the Chevy Tahoe guide's $119 median.

Among the 11 model years with current price data, 2021 ranks #2 from lowest to highest median.

Interchange data shows this part is also listed under model years 2017, 2019, 2020, 2022, 2023, 2024, 2025, 2026. Shopping across all 9 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 Chevy Tahoe transmission control module cost in other years?

Keep browsing this vehicle

What other Chevy Tahoe parts are priced?

01wide ±115%

AC Compressor

$175median
$70$473
02wide ±135%

ABS Module

$168median
$40$494
03wide ±255%

Air Bag

$247median
$45$1,303
04wide ±135%

Alternator

$162median
$35$474
05wide ±143%

Axle Shaft

$155median
$50$493
06wide ±194%

Blower Motor

$99median
$20$405
07wide ±221%

Brake Caliper

$95median
$20$439
08wide ±106%

Rear Bumper Assembly

$780median
$189$1,839
09wide ±111%

Front Bumper

$375median
$67$900
10wide ±175%

Rear Bumper

$320median
$80$1,200
11wide ±221%

Car Radio

$125median
$30$582
12wide ±222%

Center Console

$209median
$45$975
13wide ±83%

AC Condenser

$195median
$50$373
14wide ±146%

Control Arm

$125median
$40$404
15

Differential

Price data updating

16wide ±101%

Door Assembly

$935median
$249$2,134
17wide ±196%

Drive Shaft

$195median
$57$823
18wide ±130%

Engine

$4,700median
$1,112$13,300
19wide ±133%

Engine Computer

$135median
$40$400
20wide ±343%

Exhaust Manifold

$75median
$31$545
21wide ±64%

Fender

$650median
$325$1,162
22wide ±196%

Fog Light

$77median
$14$316
23wide ±280%

Front Seat

$265median
$50$1,534
24wide ±192%

Fuel Pump

$190median
$40$770
25wide ±123%

Fuel Tank

$170median
$57$475
26wide ±168%

Grille

$350median
$58$1,235
27wide ±99%

Headlight Assembly

$750median
$175$1,660
28wide ±141%

Heater Core

$116median
$51$378
29wide ±79%

Hood

$729median
$320$1,474
30wide ±117%

Ignition Switch

$78median
$50$232
31

Instrument Cluster

Price data updating

32wide ±240%

Intake Manifold

$116median
$34$591
33wide ±141%

Master Cylinder

$55median
$46$201
34wide ±146%

Side Mirror

$240median
$50$750
35wide ±121%

Power Steering Pump

$148median
$35$394
36wide ±123%

Quarter Panel

$697median
$250$1,964
37wide ±152%

Radiator

$225median
$65$749
38wide ±287%

Rear View Mirror

$90median
$20$537
39wide ±131%

Starter

$105median
$30$306
40wide ±107%

Steering Column

$210median
$50$500
41wide ±140%

Steering Rack

$506median
$85$1,500
42wide ±147%

Steering Wheel

$174median
$45$555
43wide ±127%

Strut

$237median
$50$654
44wide ±181%

Sunroof

$525median
$126$2,024
45wide ±104%

Tail Light

$345median
$80$795
46wide ±172%

Tailgate

$768median
$195$2,840
47wide ±137%

Throttle Body

$110median
$29$330
48spread ±34%

Torque Converter

$450median
$142$450
49wide ±261%

Transfer Case

$300median
$65$1,633
50wide ±73%

Transmission

$2,595median
$1,350$5,144
51wide ±62%

Turbocharger

$947median
$516$1,690
52wide ±193%

Water Pump

$75median
$25$315
53wide ±235%

Wheels

$275median
$55$1,350
54wide ±83%

Window Regulator

$166median
$36$313

Common questions

2021 Chevy Tahoe transmission control module FAQ

How much is a used 2021 Chevy Tahoe transmission control module?

Based on 580 priced salvage-yard listings, a used 2021 Chevy Tahoe transmission control module lists between $25 and $415, with a median asking price of $100.

How much does it cost to replace a 2021 Chevy Tahoe transmission control module?

Using a used part, a 2021 Chevy Tahoe transmission control module replacement typically runs $195–$400 all-in: the median used transmission control module for this year lists at $100, 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 Chevy Tahoe transmission control module fit another year?

Based on salvage-yard interchange data, listings for the 2021 Chevy Tahoe transmission control module also appear under model years 2017, 2019, 2020, 2022, 2023, 2024, 2025, 2026, 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 Chevy Tahoe tcm?

A tcm is another name for a transmission control module. The prices on this page cover the 2021 Chevy Tahoe transmission control module — median $100, from 580 listings.

2021 Chevy Tahoe Transmission Control Module Cost — Used From $25 to $415