Used 2021 Chevy Suburban transmission control module from a salvage yard

Year-specific price guide

Used 2021 Chevy Suburban Transmission Control Module prices

Year-specific used transmission control module pricing for the 2021 Chevy Suburban, 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 17, 2026

Part overview

About the 2021 Chevy Suburban transmission control module

A used 2021 Chevy Suburban transmission control module costs between $25 and $410, with a median of $112 from 888 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 Suburban transmission control module costs $25 to $410, with a median asking price of $112. Based on 888 priced salvage yard listings across the US, compatible across 2014–2026 (13 model years), updated Sep 17, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$125
Grade B (good)$105
Grade C (fair)$75

2021 Chevy Suburban transmission control module price snapshot

USD
Low
$25
Average
$126
High
$410
1,004 listings observed · 888 priced listings used · last updated Sep 17, 2026· How we price·

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Reporting price for 2021 Chevy Suburban Transmission Control Module

Reason

Condition comparison

Price by part grade

Grade AClean / low wear$25–$359585 listings
Grade BStandard used$35–$410261 listings
Grade CVisible wear$75–$751 listings
Grade XUngraded$25–$15041 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $25–$410 overall range

Replacement cost

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

ESTIMATE
Used part
$112
2021 Chevy Suburban median asking price
Labor
$95–$300
1–2 hours at $95–$150/hr
Estimated total
$205–$410
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 (OnStar, opt UE1), ID 8552881348 listingsInterchange 2022–2024$99$50 – $305
Theft-Locking, (theft deterrent, under floor console)48 listingsInterchange 2019–2024$93$41 – $305
Air Bag, (below LH front seat)46 listingsInterchange 2021–2025$124$50 – $321
Memory, (below driver seat), ID 1353604146 listingsInterchange 2020–2025$90$41 – $284
Communication, telematics (OnStar, opt UE1), ID 8494615945 listingsInterchange 2021–2022$125$70 – $405
Transmission, (on transmission)45 listingsInterchange 2017–2026$127$30 – $221
Body Control (BCM), (LH firewall), ID 1354180844 listingsInterchange 2021–2024$75$35 – $321
Body Control (BCM), (LH firewall), ID 1354697844 listingsInterchange 2021–2024$75$35 – $321
Differential Lock, (LH quarter panel)44 listings$175$75 – $275
Network Gateway, (LH firewall)43 listingsInterchange 2021–2023$125$50 – $295
Suspension, suspension control, (rear center frame mounted)43 listingsInterchange 2021–2024$128$65 – $209
Door, hands free rear closer, (inside lifgate), ID 2341454442 listingsInterchange 2020–2023$95$25 – $410
Door, power liftgate, (inside LH quarter panel)42 listingsInterchange 2021–2022$120$50 – $284
Memory, (below driver seat), ID 1353604042 listingsInterchange 2020–2024$51$40 – $260
Communication, telematics (OnStar, opt UE1), ID 8494616041 listingsInterchange 2021–2022$193$60 – $395
Communication, wireless charger, (under console)40 listingsInterchange 2020–2024$71$25 – $166
Driver Assist, forward collision warning, (LH roof)40 listingsInterchange 2020–2024$153$45 – $277
Driver Assist, park assist, (RH quarter panel)36 listingsInterchange 2021–2024$120$41 – $295
Fuel Pump, (LH frame rail)36 listingsInterchange 2014–2021$176$75 – $176
Towing Control, (RH rear frame)33 listingsInterchange 2021–2025$125$35 – $260
Suspension, air suspension (opt F47), suspension control (LH quarter panel)23 listingsInterchange 2021–2025$145$75 – $251
Communication, telematics (OnStar, opt UE1), ID 849461623 listingsInterchange 2021–2022$101$100 – $359
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 Suburban compare?

The 2021 guide is based on 1,004 observed listings, including 888 with posted prices. Its $112 median is 7% below the Chevy Suburban guide's $120 median.

Among the 11 model years with current price data, 2021 ranks #6 from lowest to highest median.

Interchange data shows this part is also listed under model years 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2022, 2023, 2024, 2025, 2026. Shopping across all 13 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 Suburban transmission control module cost in other years?

Keep browsing this vehicle

What other Chevy Suburban parts are priced?

01wide ±79%

AC Compressor

$175median
$69$347
02wide ±116%

ABS Module

$179median
$65$480
03wide ±268%

Air Bag

$195median
$40$1,085
04wide ±104%

Alternator

$136median
$40$323
05wide ±121%

Axle Shaft

$128median
$50$360
06wide ±194%

Blower Motor

$99median
$25$409
07wide ±180%

Brake Caliper

$89median
$22$342
08wide ±109%

Rear Bumper Assembly

$795median
$136$1,869
09wide ±99%

Front Bumper

$415median
$80$900
10wide ±163%

Rear Bumper

$260median
$50$900
11wide ±210%

Car Radio

$124median
$28$550
12wide ±187%

Center Console

$201median
$50$800
13wide ±101%

AC Condenser

$150median
$40$342
14wide ±112%

Control Arm

$150median
$40$375
15

Differential

Price data updating

16wide ±119%

Door Assembly

$799median
$167$2,074
17wide ±175%

Drive Shaft

$175median
$61$675
18wide ±124%

Engine

$4,662median
$1,126$12,700
19wide ±123%

Engine Computer

$150median
$40$410
20wide ±252%

Exhaust Manifold

$75median
$30$408
21wide ±63%

Fender

$625median
$365$1,150
22wide ±157%

Fog Light

$85median
$15$282
23wide ±297%

Front Seat

$267median
$50$1,635
24wide ±212%

Fuel Pump

$193median
$50$869
25wide ±137%

Fuel Tank

$225median
$83$700
26wide ±163%

Grille

$350median
$60$1,200
27wide ±104%

Headlight Assembly

$720median
$162$1,660
28wide ±83%

Heater Core

$81median
$56$190
29wide ±79%

Hood

$682median
$275$1,350
30spread ±52%

Ignition Switch

$78median
$55$136
31

Instrument Cluster

Price data updating

32wide ±204%

Intake Manifold

$116median
$50$523
33wide ±158%

Master Cylinder

$55median
$46$220
34wide ±156%

Side Mirror

$248median
$45$817
35wide ±160%

Power Steering Pump

$145median
$35$500
36wide ±86%

Quarter Panel

$635median
$200$1,292
37wide ±187%

Radiator

$245median
$58$975
38wide ±265%

Rear View Mirror

$100median
$20$550
39wide ±165%

Starter

$85median
$30$310
40wide ±141%

Steering Column

$159median
$51$500
41wide ±98%

Steering Rack

$650median
$225$1,500
42wide ±135%

Steering Wheel

$174median
$49$520
43wide ±115%

Strut

$248median
$42$612
44wide ±185%

Sunroof

$512median
$126$2,024
45wide ±108%

Tail Light

$329median
$83$795
46wide ±142%

Tailgate

$750median
$268$2,392
47wide ±208%

Throttle Body

$83median
$29$375
48

Torque Converter

Price data updating

49wide ±208%

Transfer Case

$297median
$58$1,294
50spread ±56%

Transmission

$2,594median
$1,550$4,450
51wide ±61%

Turbocharger

$952median
$521$1,690
52wide ±210%

Water Pump

$75median
$25$340
53wide ±209%

Wheels

$300median
$55$1,310
54wide ±95%

Window Regulator

$150median
$29$313

Common questions

2021 Chevy Suburban transmission control module FAQ

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

Based on 888 priced salvage-yard listings, a used 2021 Chevy Suburban transmission control module lists between $25 and $410, with a median asking price of $112.

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

Using a used part, a 2021 Chevy Suburban transmission control module replacement typically runs $205–$410 all-in: the median used transmission control module for this year lists at $112, 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 Suburban transmission control module fit another year?

Based on salvage-yard interchange data, listings for the 2021 Chevy Suburban transmission control module also appear under model years 2014, 2015, 2016, 2017, 2018, 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 Suburban tcm?

A tcm is another name for a transmission control module. The prices on this page cover the 2021 Chevy Suburban transmission control module — median $112, from 888 listings.

2021 Chevy Suburban Transmission Control Module Cost — Used From $25 to $410