Mazda 3 transmission control module — Theft-Locking, (keyless entry), (LH door), ID BHN9-67-5U0A price snapshot
- Low
- $49
- Average
- $103
- High
- $271

Trim-specific price guide
A used Mazda 3 transmission control module (Theft-Locking, (keyless entry), (LH door), ID BHN9-67-5U0A) costs $49 to $271, with a median asking price of $95. Based on 41 priced salvage yard listings across the US, updated Sep 11, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $49–$271 | 27 | |
| Grade BStandard used | $49–$176 | 9 | |
| Grade CVisible wear | $95–$95 | 2 | |
| Grade XUngraded | $50–$95 | 3 |
Median by grade
Median asking price by seller-reported condition grade · $49–$271 overall range
Trim-specific context
This pricing covers the Theft-Locking, (keyless entry), (LH door), ID BHN9-67-5U0A variant of the Mazda 3 transmission control module, based on 41 priced listings across 2 model years (2017, 2018). Its $95 median is 6% below the Mazda 3 transmission control module overall median of $101.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Price by model year
Other trims
Common questions
Based on 41 priced salvage-yard listings across 2 model years, a used Mazda 3 transmission control module in the Theft-Locking, (keyless entry), (LH door), ID BHN9-67-5U0A variant lists between $49 and $271, with a median asking price of $95.
The Theft-Locking, (keyless entry), (LH door), ID BHN9-67-5U0A variant appears in model years 2017, 2018. Prices and availability differ by year.
Yes. Grade A has a median of $99, Grade B has a median of $95, Grade C has a median of $95. Grade A parts are in excellent condition, B is good, and C is fair.