2021 GMC Terrain transmission control module — Information-GPS-TV, human machine interface, (center dash), ID 84546902 price snapshot
- Low
- $46
- Average
- $146
- High
- $305
Year & trim-specific price guide
Used 2021 GMC Terrain Transmission Control Module — Information-GPS-TV, human machine interface, (center dash), ID 84546902 prices
Trim-specific pricing for the Information-GPS-TV, human machine interface, (center dash), ID 84546902 variant of the 2021 GMC Terrain transmission control module, built from 38 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
SK
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedSep 21, 2026AS
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
Price summary
A used 2021 GMC Terrain transmission control module (Information-GPS-TV, human machine interface, (center dash), ID 84546902) costs $46 to $305, with a median asking price of $103. Based on 38 priced salvage yard listings across the US, updated Sep 21, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$103
Grade B (good)$185
USD
Condition comparison
Price by part grade
Grade AClean / low wear$55–$30020 listings
Grade BStandard used$46–$30517 listings
Grade XUngraded$125–$1251 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $55–$300 | 20 | |
| Grade BStandard used | $46–$305 | 17 | |
| Grade XUngraded | $125–$125 | 1 |
Median by grade
Grade price comparison
Grade A$103
Grade B$185
Ungraded$125
Median asking price by seller-reported condition grade · $46–$305 overall range
Trim-specific context
How does the Information-GPS-TV, human machine interface, (center dash), ID 84546902 compare?
This pricing covers the Information-GPS-TV, human machine interface, (center dash), ID 84546902 variant of the 2021 GMC Terrain transmission control module, based on 38 priced listings. Its $103 median is 2% below the 2021 GMC Terrain transmission control module overall median of $105.
There are 29 other transmission control module variants available for the 2021 GMC Terrain.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
Information-GPS-TV, human machine interface, (center dash), ID 84546902 in other model years
Same year, other trims
What other 2021 GMC Terrain transmission control module variants are available?
Body Control (BCM), (center console), active noise control (opt NKC)
49 listings$99$71 – $295Communication, telematics (opt UE1), (center dash), ID 84932506
49 listings$105$54 – $305Communication, telematics (opt UE1), (center dash), ID 84957464
49 listings$105$54 – $305Driver Assist, rear park assist (opt UD7)
49 listings$103$46 – $295Temperature, ID 84692739
49 listings$51$41 – $295Communication, telematics (opt UE1), (center dash), ID 84644344
48 listings$172$81 – $172Information-GPS-TV, human machine interface, (center dash), ID 84331776
48 listings$185$81 – $305Theft-Locking, theft deterrent, (in console)
48 listings$46$30 – $310Network Gateway, (center dash)
47 listings$177$88 – $181Communication, wireless charger, (center dash)
46 listings$60$56 – $213Driver Assist, front and rear park assist (opt UD5)
46 listings$140$40 – $350Information-GPS-TV, bypass module, (center dash)
46 listings$100$50 – $305Theft-Locking, keyless entry, (RH quarter panel), ID 13518772
46 listings$61$40 – $295Theft-Locking, keyless entry, (RH quarter panel), ID 84182981
46 listings$125$60 – $295Driver Assist, automatic park assist (opt UFQ)
45 listings$105$40 – $405Door, hands free rear closer, (in tailgate), ID 23275430
44 listings$171$55 – $405Temperature, ID 84692737
43 listings$103$41 – $295Air Bag, (below center console)
41 listings$190$81 – $218Differential Lock, (carrier housing)
41 listings$86$40 – $405Door, liftgate, (LH quarter panel)
41 listings$55$41 – $268Seat, (below LH seat), ID 13507640
40 listings$65$39 – $335Information-GPS-TV, human machine interface, (center dash), ID 84331775
38 listings$103$46 – $305Seat, (below LH seat), ID 13510515
38 listings$65$40 – $335Fuel Pump, (LH center frame)
37 listings$177$60 – $201Transmission, (on transaxle)
32 listings$96$55 – $201Body Control (BCM), (center console), body control
25 listings$100$67 – $104Seat, (below LH seat), ID 13521013
7 listings$105$30 – $260Seat, (below LH seat), ID 13523746
6 listings$145$35 – $145Seat, (below LH seat), ID 13521011
3 listings$46$41 – $50Back to full guide
2021 GMC Terrain transmission control module — all trims
Common questions
2021 GMC Terrain transmission control module (Information-GPS-TV, human machine interface, (center dash), ID 84546902) FAQ
How much is a used 2021 GMC Terrain transmission control module (Information-GPS-TV, human machine interface, (center dash), ID 84546902)?
Based on 38 priced salvage-yard listings, a used 2021 GMC Terrain transmission control module in the Information-GPS-TV, human machine interface, (center dash), ID 84546902 variant lists between $46 and $305, with a median asking price of $103.
Which years use the Information-GPS-TV, human machine interface, (center dash), ID 84546902 transmission control module?
The Information-GPS-TV, human machine interface, (center dash), ID 84546902 variant appears in model years 2018, 2019, 2020, 2021. Prices and availability may differ by year.