Used 2018 Chevy Suburban transmission control module from a salvage yard

Year-specific price guide

Used 2018 Chevy Suburban Transmission Control Module prices

Year-specific used transmission control module pricing for the 2018 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 18, 2026

Part overview

About the 2018 Chevy Suburban transmission control module

A used 2018 Chevy Suburban transmission control module costs between $20 and $440, with a median of $100 from 1,183 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 Chevy Suburban transmission control module costs $20 to $440, with a median asking price of $100. Based on 1,183 priced salvage yard listings across the US, compatible across 2013–2025 (13 model years), updated Sep 18, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$100
Grade B (good)$125
Grade C (fair)$120

2018 Chevy Suburban transmission control module price snapshot

USD
Low
$20
Average
$118
High
$440
1,394 listings observed · 1,183 priced listings used · last updated Sep 18, 2026· How we price·

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Reporting price for 2018 Chevy Suburban Transmission Control Module

Reason

Condition comparison

Price by part grade

Grade AClean / low wear$20–$401681 listings
Grade BStandard used$46–$440356 listings
Grade CVisible wear$75–$1204 listings
Grade XUngraded$25–$340142 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $20–$440 overall range

Replacement cost

What is the 2018 Chevy Suburban transmission control module replacement cost?

ESTIMATE
Used part
$100
2018 Chevy Suburban 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

Communication, telematics, (center dash, behind radio)48 listingsInterchange 2018–2020$81$20 – $232
Driver Assist, park assist, (LH quarter panel), ID 84169043 (opt UD5)48 listingsInterchange 2017–2020$100$40 – $305
Air Bag, (below LH front seat), ID 1352423446 listingsInterchange 2018–2022$87$40 – $210
Air Bag, (below LH front seat), ID 1352423746 listingsInterchange 2017–2020$120$50 – $203
Driver Assist, park assist, (LH quarter panel), ID 84169044 (opt UFQ)46 listingsInterchange 2018–2020$125$39 – $310
Information-GPS-TV, RH dash, (human machine interface, HMI), ID 8433177646 listingsInterchange 2018–2021$145$40 – $350
Information-GPS-TV, RH dash, (human machine interface, HMI), ID 8451302746 listingsInterchange 2018–2021$145$40 – $350
Temperature, (RH dash), (ID 84335792)46 listingsInterchange 2017–2020$86$35 – $401
Transfer Case, (LH dash), (ID 84219971)46 listingsInterchange 2014–2019$176$20 – $308
Door, keyless entry, (left quarter panel)45 listingsInterchange 2017–2021$61$45 – $344
Door, power liftgate, (inside liftgate)44 listingsInterchange 2015–2024$176$51 – $339
Driver Assist, park assist, (LH quarter panel), ID 84169042 (opt UD7)44 listingsInterchange 2018–2025$61$25 – $309
Memory, below rear seat44 listingsInterchange 2015–2020$81$50 – $323
Information-GPS-TV, under console, (audio and video interface)43 listingsInterchange 2018–2020$110$46 – $405
Theft-Locking, (in console)43 listingsInterchange 2013–2020$46$25 – $232
Network Gateway, (LH rear engine compartment), (ID 13599318)42 listingsInterchange 2017–2022$176$50 – $232
Towing Control, (LH rear frame)42 listingsInterchange 2014–2019$176$33 – $182
Body Control (BCM), (under steering column)40 listingsInterchange 2018–2020$100$35 – $194
Information-GPS-TV, (LH dash), (human machine interface bypass)40 listingsInterchange 2018–2020$93$46 – $168
Information-GPS-TV, RH dash, (human machine interface, HMI), ID 8430692040 listingsInterchange 2018–2020$93$46 – $168
Memory, below driver seat40 listingsInterchange 2013–2022$176$41 – $232
Information-GPS-TV, RH dash, (human machine interface, HMI), ID 8433177539 listingsInterchange 2018–2021$110$56 – $305
Suspension, (left rear frame)39 listingsInterchange 2017–2020$56$51 – $159
Door, hands free rear closer, (center rear bumper)38 listingsInterchange 2015–2020$114$46 – $262
Driver Assist, surround view (mono vision 360, opt UVH), (LH dash)38 listingsInterchange 2015–2018$96$25 – $245
Communication, wireless charger, (under console)37 listingsInterchange 2018–2022$96$52 – $176
Fuel Pump, (LH frame rail)36 listingsInterchange 2014–2021$176$75 – $176
Information-GPS-TV, RH dash, (human machine interface, HMI), ID 8429648231 listingsInterchange 2016–2020$165$95 – $440

Year-specific context

How does the 2018 Chevy Suburban compare?

The 2018 guide is based on 1,394 observed listings, including 1,183 with posted prices. Its $100 median is 17% below the Chevy Suburban guide's $120 median.

Among the 11 model years with current price data, 2018 ranks #2 from lowest to highest median.

Interchange data shows this part is also listed under model years 2013, 2014, 2015, 2016, 2017, 2019, 2020, 2021, 2022, 2023, 2024, 2025. 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

2018 Chevy Suburban transmission control module FAQ

How much is a used 2018 Chevy Suburban transmission control module?

Based on 1,183 priced salvage-yard listings, a used 2018 Chevy Suburban transmission control module lists between $20 and $440, with a median asking price of $100.

How much does it cost to replace a 2018 Chevy Suburban transmission control module?

Using a used part, a 2018 Chevy Suburban 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 2018 Chevy Suburban transmission control module fit another year?

Based on salvage-yard interchange data, listings for the 2018 Chevy Suburban transmission control module also appear under model years 2013, 2014, 2015, 2016, 2017, 2019, 2020, 2021, 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 2018 Chevy Suburban tcm?

A tcm is another name for a transmission control module. The prices on this page cover the 2018 Chevy Suburban transmission control module — median $100, from 1,183 listings.

2018 Chevy Suburban Transmission Control Module Cost — Used From $20 to $440