2021 GMC Sierra 1500 transmission control module price snapshot
- Low
- $30
- Average
- $145
- High
- $450
Year-specific price guide
Used 2021 GMC Sierra 1500 Transmission Control Module prices
Year-specific used transmission control module pricing for the 2021 GMC Sierra 1500, built from real salvage yard and junkyard listings with condition grade and fitment detail.
Price summary
A used 2021 GMC Sierra 1500 transmission control module costs $30 to $450, with a median asking price of $133. Based on 1,507 priced salvage yard listings across the US, compatible across 1996–2025 (14 model years), updated Aug 24, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$136
Grade B (good)$125
Grade C (fair)$90
USD
Condition comparison
Price by part grade
Grade AClean / low wear$30–$435847 listings
Grade BStandard used$40–$450618 listings
Grade CVisible wear$60–$902 listings
Grade XUngraded$40–$16240 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $30–$435 | 847 | |
| Grade BStandard used | $40–$450 | 618 | |
| Grade CVisible wear | $60–$90 | 2 | |
| Grade XUngraded | $40–$162 | 40 |
Median by grade
Grade price comparison
Grade A$136
Grade B$125
Grade C$90
Ungraded$80
Median asking price by seller-reported condition grade · $30–$450 overall range
Replacement cost
What is the 2021 GMC Sierra 1500 transmission control module replacement cost?
- Used part
- $133
- 2021 GMC Sierra 1500 median asking price
- Labor
- $95–$300
- 1–2 hours at $95–$150/hr
- Estimated total
- $230–$435
- 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
Driver Assist, camera, (RH cab back panel), opt UVS (360 view, digital camera)50 listingsInterchange 2021–2023$365$250 – $435
Theft-Locking, door lock control (back glass LH frame)48 listingsInterchange 2014–2025$153$30 – $271
Towing Control, (behind LH bumper), trailer lamp control48 listingsInterchange 2021–2023$155$50 – $340
Driver Assist, camera, (RH cab back panel), opt UVN (bed view camera)47 listingsInterchange 2021–2025$149$65 – $297
Communication, (telematics, OnStar, LH dash), ID 8483305546 listingsInterchange 2021–2023$99$56 – $271
Communication, (telematics, OnStar, LH dash), ID 8496756846 listingsInterchange 2021–2023$99$56 – $271
Communication, (telematics, OnStar, LH dash), ID 8512954146 listingsInterchange 2021–2023$99$56 – $271
Communication, (telematics, OnStar, LH dash), ID 8552736646 listingsInterchange 2021–2023$99$56 – $271
Communication, (telematics, OnStar, LH dash), ID 8554326146 listingsInterchange 2021–2023$99$56 – $271
Communication, (telematics, OnStar, LH dash), ID 8681570146 listingsInterchange 2021–2023$99$56 – $271
Theft-Locking, theft deterrent, w/o remote start; (at top of steering column)46 listingsInterchange 2020–2025$65$35 – $335
Theft-Locking, theft deterrent, remote start (opt AVJ), (under floor console)44 listingsInterchange 2021–2024$110$35 – $271
Year-specific context
How does the 2021 GMC Sierra 1500 compare?
The 2021 guide is based on 1,619 observed listings, including 1,507 with posted prices. Its $133 median is 5% below the GMC Sierra 1500 guide's $140 median.
Among the 9 model years with current price data, 2021 ranks #5 from lowest to highest median.
Interchange data shows this part is also listed under model years 1996, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2022, 2023, 2024, 2025. Shopping across all 14 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 Sierra 1500 transmission control module cost in other years?
20251,260 listingsCompatible$120$25 – $47520241,246 listingsCompatible$190$25 – $47520231,200 listingsCompatible$135$30 – $4502022775 listingsCompatible$190$25 – $47520201,799 listingsCompatible$185$27 – $41020192,709 listingsCompatible$101$20 – $44020181,281 listingsCompatible$125$35 – $84220161,231 listingsCompatible$110$25 – $999
Keep browsing this vehicle
What other GMC Sierra 1500 parts are priced?
01wide ±332%
Engine
$4,330median
$60$28,825
02wide ±478%
Transmission
$2,528median
$350$24,500
03wide ±132%
Front Bumper
$250median
$20$680
04wide ±233%
Rear Bumper
$299median
$100$1,495
05wide ±85%
Hood
$734median
$26$1,275
06wide ±2659%
Fender
$473median
$20$25,175
07wide ±166%
Headlight Assembly
$830median
$48$2,800
08wide ±128%
Tail Light
$340median
$30$900
09wide ±157%
Alternator
$116median
$30$395
10wide ±160%
Starter
$86median
$30$305
11wide ±193%
Radiator
$214median
$20$845
12wide ±139%
AC Compressor
$150median
$30$447
13wide ±353%
Transfer Case
$358median
$10$2,539
14wide ±138%
Axle Shaft
$166median
$10$468
15wide ±818%
Strut
$150median
$45$2,500
16wide ±2012%
Steering Rack
$625median
$30$25,175
17wide ±3124%
Grille
$480median
$30$30,025
18wide ±16565%
Side Mirror
$272median
$16$90,128
19wide ±138%
Turbocharger
$675median
$190$2,054
20wide ±83%
AC Condenser
$170median
$40$321
21wide ±5660%
Wheels
$265median
$5$30,005
22wide ±306%
Fuel Pump
$127median
$10$787
23wide ±318%
Water Pump
$96median
$25$636
24wide ±105%
Power Steering Pump
$150median
$35$350
25wide ±112%
ABS Module
$201median
$50$500
26
Differential
Price data updating
27wide ±143%
Engine Computer
$150median
$10$440
28wide ±234%
Throttle Body
$78median
$10$375
29wide ±315%
Brake Caliper
$75median
$20$493
30wide ±11234%
Drive Shaft
$248median
$56$55,778
31wide ±209%
Tailgate
$945median
$50$3,995
32wide ±238%
Intake Manifold
$117median
$34$591
33wide ±99%
Control Arm
$145median
$40$327
34wide ±169%
Blower Motor
$75median
$40$294
35wide ±534%
Exhaust Manifold
$75median
$25$826
36wide ±112%
Steering Column
$201median
$50$500
37wide ±233%
Fuel Tank
$197median
$25$943
38wide ±131%
Window Regulator
$146median
$27$410
39
Instrument Cluster
Price data updating
40wide ±65%
Torque Converter
$250median
$175$500
41wide ±6249%
Steering Wheel
$200median
$25$25,020
42wide ±192%
Ignition Switch
$78median
$25$325
43wide ±491%
Car Radio
$140median
$20$1,394
44wide ±155%
Heater Core
$116median
$40$400
45wide ±257%
Rear View Mirror
$103median
$20$550
46wide ±335%
Sunroof
$439median
$102$3,045
47wide ±238%
Master Cylinder
$80median
$25$405
48wide ±138%
Fog Light
$150median
$20$435
49wide ±619%
Center Console
$199median
$35$2,500
50wide ±150%
Air Bag
$244median
$40$770
51spread ±58%
Door Assembly
$870median
$400$1,414
52wide ±116%
Quarter Panel
$500median
$25$1,185
53wide ±356%
Rear Bumper Assembly
$675median
$25$4,825
54wide ±1014%
Front Seat
$247median
$45$5,053
Common questions
2021 GMC Sierra 1500 transmission control module FAQ
How much is a used 2021 GMC Sierra 1500 transmission control module?
Based on 1,507 priced salvage-yard listings, a used 2021 GMC Sierra 1500 transmission control module lists between $30 and $450, with a median asking price of $133.
How much does it cost to replace a 2021 GMC Sierra 1500 transmission control module?
Using a used part, a 2021 GMC Sierra 1500 transmission control module replacement typically runs $230–$435 all-in: the median used transmission control module for this year lists at $133, 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 Sierra 1500 transmission control module fit another year?
Based on salvage-yard interchange data, listings for the 2021 GMC Sierra 1500 transmission control module also appear under model years 1996, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 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 Sierra 1500 tcm?
A tcm is another name for a transmission control module. The prices on this page cover the 2021 GMC Sierra 1500 transmission control module — median $133, from 1,507 listings.