Used 2021 GMC Yukon transmission control module from a salvage yard

Year-specific price guide

Used 2021 GMC Yukon Transmission Control Module prices

Year-specific used transmission control module pricing for the 2021 GMC Yukon, 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 28, 2026

Part overview

About the 2021 GMC Yukon transmission control module

A used 2021 GMC Yukon transmission control module costs between $25 and $405, with a median of $157 from 900 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 GMC Yukon transmission control module costs $25 to $405, with a median asking price of $157. Based on 900 priced salvage yard listings across the US, compatible across 2020–2025 (6 model years), updated Aug 28, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$155
Grade B (good)$159

2021 GMC Yukon transmission control module price snapshot

USD
Low
$25
Average
$150
High
$405
938 listings observed · 900 priced listings used · last updated Aug 28, 2026· How we price·

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Reporting price for 2021 GMC Yukon Transmission Control Module

Reason

Condition comparison

Price by part grade

Grade AClean / low wear$35–$359639 listings
Grade BStandard used$41–$405250 listings
Grade XUngraded$25–$15011 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $25–$405 overall range

Replacement cost

What is the 2021 GMC Yukon transmission control module replacement cost?

ESTIMATE
Used part
$157
2021 GMC Yukon median asking price
Labor
$95–$300
1–2 hours at $95–$150/hr
Estimated total
$250–$455
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

Body Control (BCM), (LH firewall)50 listingsInterchange 2021–2023$140$35 – $232
Driver Assist, park assist, (RH quarter panel)50 listingsInterchange 2021–2022$168$50 – $235
Network Gateway, (LH firewall)50 listingsInterchange 2021–2022$190$75 – $350
Suspension, suspension control, (rear center frame mounted)50 listingsInterchange 2021–2024$178$35 – $290
Theft-Locking, (theft deterrent, under floor console)50 listingsInterchange 2021–2025$145$35 – $210
Transmission, (on transmission)50 listingsInterchange 2021–2025$159$50 – $296
Air Bag, (below LH front seat)49 listingsInterchange 2020–2025$165$50 – $243
Door, hands free rear closer, (inside lifgate), ID 2341454449 listingsInterchange 2020–2023$146$25 – $280
Door, power liftgate, (inside LH quarter panel)49 listingsInterchange 2021–2022$156$35 – $264
Driver Assist, forward collision warning, (LH roof)49 listingsInterchange 2021–2022$190$86 – $275
Fuel Pump, (below LH pillar)49 listingsInterchange 2021–2025$195$51 – $232
Memory, (below driver seat), ID 1353604148 listingsInterchange 2020–2025$99$41 – $254
Towing Control, (RH rear frame)48 listingsInterchange 2021–2024$185$50 – $225
Differential Lock, (LH quarter panel)47 listings$175$75 – $235
Communication, telematics (OnStar, opt UE1), ID 8494615945 listingsInterchange 2021–2022$125$75 – $405
Memory, (below driver seat), ID 1353604044 listingsInterchange 2020–2024$80$41 – $257
Communication, wireless charger, (under console)43 listingsInterchange 2020–2024$100$50 – $216
Communication, telematics (OnStar, opt UE1), ID 8494616041 listingsInterchange 2021–2022$193$60 – $395
Suspension, air suspension (opt F47), suspension control (LH quarter panel)23 listingsInterchange 2021–2025$145$75 – $251
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 GMC Yukon compare?

The 2021 guide is based on 938 observed listings, including 900 with posted prices. Its $157 median is 26% above the GMC Yukon guide's $125 median.

Among the 11 model years with current price data, 2021 ranks #9 from lowest to highest median.

Interchange data shows this part is also listed under model years 2020, 2022, 2023, 2024, 2025. Shopping across all 6 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 GMC Yukon transmission control module cost in other years?

Keep browsing this vehicle

What other GMC Yukon parts are priced?

01wide ±125%

AC Compressor

$165median
$60$473
02wide ±121%

ABS Module

$184median
$50$494
03wide ±135%

Air Bag

$270median
$48$776
04wide ±106%

Alternator

$136median
$35$323
05wide ±122%

Axle Shaft

$153median
$50$423
06wide ±234%

Blower Motor

$79median
$35$405
07wide ±213%

Brake Caliper

$100median
$22$449
08wide ±103%

Rear Bumper Assembly

$788median
$189$1,819
09wide ±160%

Front Bumper

$296median
$50$1,000
10wide ±203%

Rear Bumper

$351median
$71$1,495
11wide ±165%

Car Radio

$141median
$30$495
12wide ±171%

Center Console

$225median
$50$820
13wide ±241%

AC Condenser

$170median
$40$860
14wide ±116%

Control Arm

$155median
$45$404
15

Differential

Price data updating

16wide ±104%

Door Assembly

$1,000median
$200$2,278
17wide ±154%

Drive Shaft

$191median
$65$655
18wide ±126%

Engine

$4,523median
$1,250$12,637
19wide ±123%

Engine Computer

$150median
$40$410
20wide ±317%

Exhaust Manifold

$75median
$30$505
21wide ±80%

Fender

$650median
$228$1,269
22wide ±109%

Fog Light

$149median
$25$350
23wide ±274%

Front Seat

$221median
$50$1,260
24wide ±178%

Fuel Pump

$187median
$35$699
25wide ±90%

Fuel Tank

$210median
$75$451
26wide ±163%

Grille

$343median
$74$1,195
27wide ±66%

Headlight Assembly

$750median
$282$1,268
28wide ±187%

Heater Core

$116median
$51$485
29wide ±83%

Hood

$660median
$324$1,425
30wide ±176%

Ignition Switch

$78median
$25$300
31

Instrument Cluster

Price data updating

32wide ±223%

Intake Manifold

$125median
$34$591
33wide ±179%

Master Cylinder

$68median
$25$268
34wide ±165%

Side Mirror

$225median
$50$794
35wide ±120%

Power Steering Pump

$150median
$35$394
36wide ±117%

Quarter Panel

$700median
$321$1,964
37wide ±152%

Radiator

$225median
$68$754
38wide ±288%

Rear View Mirror

$92median
$20$550
39wide ±108%

Starter

$126median
$35$306
40wide ±113%

Steering Column

$200median
$50$500
41wide ±98%

Steering Rack

$650median
$225$1,500
42wide ±147%

Steering Wheel

$175median
$65$580
43wide ±231%

Strut

$265median
$50$1,272
44wide ±189%

Sunroof

$501median
$133$2,024
45wide ±123%

Tail Light

$309median
$59$822
46wide ±171%

Tailgate

$673median
$173$2,475
47wide ±211%

Throttle Body

$82median
$29$375
48

Torque Converter

Price data updating

49wide ±262%

Transfer Case

$287median
$61$1,563
50wide ±78%

Transmission

$2,595median
$1,295$5,342
51wide ±72%

Turbocharger

$947median
$445$1,800
52wide ±193%

Water Pump

$75median
$25$315
53wide ±198%

Wheels

$300median
$64$1,250
54wide ±76%

Window Regulator

$159median
$43$285

Common questions

2021 GMC Yukon transmission control module FAQ

How much is a used 2021 GMC Yukon transmission control module?

Based on 900 priced salvage-yard listings, a used 2021 GMC Yukon transmission control module lists between $25 and $405, with a median asking price of $157.

How much does it cost to replace a 2021 GMC Yukon transmission control module?

Using a used part, a 2021 GMC Yukon transmission control module replacement typically runs $250–$455 all-in: the median used transmission control module for this year lists at $157, 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 GMC Yukon transmission control module fit another year?

Based on salvage-yard interchange data, listings for the 2021 GMC Yukon transmission control module also appear under model years 2020, 2022, 2023, 2024, 2025, 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 GMC Yukon tcm?

A tcm is another name for a transmission control module. The prices on this page cover the 2021 GMC Yukon transmission control module — median $157, from 900 listings.

2021 GMC Yukon Transmission Control Module Cost — Used From $25 to $405