2021 Mazda 3 transmission control module — Body Control (BCM), (behind LH kick panel) price snapshot
- Low
- $25
- Average
- $82
- High
- $335

Year & trim-specific price guide
A used 2021 Mazda 3 transmission control module (Body Control (BCM), (behind LH kick panel)) costs $25 to $335, with a median asking price of $56. Based on 24 priced salvage yard listings across the US, updated Sep 5, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $25–$335 | 20 | |
| Grade BStandard used | $41–$51 | 4 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | Updating | — |
Median by grade
Median asking price by seller-reported condition grade · $25–$335 overall range
Trim-specific context
This pricing covers the Body Control (BCM), (behind LH kick panel) variant of the 2021 Mazda 3 transmission control module, based on 24 priced listings. Its $56 median is 42% below the 2021 Mazda 3 transmission control module overall median of $96.
There are 8 other transmission control module variants available for the 2021 Mazda 3.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
Same year, other trims
Back to full guide
Common questions
Based on 24 priced salvage-yard listings, a used 2021 Mazda 3 transmission control module in the Body Control (BCM), (behind LH kick panel) variant lists between $25 and $335, with a median asking price of $56.
The Body Control (BCM), (behind LH kick panel) variant appears in model years 2019, 2020, 2021, 2022. Prices and availability may differ by year.