ECU Tuning & Remapping Services in Bunbury

Unlock Your Vehicle’s Full Potential with Professional ECU & TCM Remapping

Want more power, sharper acceleration, and a smoother drive? At Protune Automotive Bunbury, our expert ECU and TCM remap services are designed to deliver the kind of performance and efficiency that makes your vehicle feel brand new—no matter what you drive.

Mechanic working on ECU mapping of a Landcruiser at Protune Bunbury with cars, one red and one black, on lifts.

ECU Tuning for Performance & Efficiency

Chasing more power, improved towing performance, or smoother drivability from your diesel? Our Diesel ECU Remapping starts from $1,500 and includes a custom calibration tailored to your vehicle, how it’s used, and Australian driving conditions. Using industry-leading tools and in-house dyno testing, we deliver safe, reliable performance gains without compromising engine longevity.

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What Is ECU & TCM Remapping

An ECU (Engine Control Unit) and TCM (Transmission Control Module) remap involves recalibrating your vehicle’s core control systems. In simple terms, we fine-tune the engine and transmission management to improve power delivery, throttle response, and overall drivability—safely and reliably.

  • The ECU manages critical engine functions including fuel delivery, ignition timing, air management, boost pressure, and torque control. Through custom remapping, we can:

    • Increase horsepower and torque for stronger, more responsive performance

    • Optimise boost control and torque delivery to suit your vehicle and how it’s used

    • Improve fuel efficiency, helping you get more kilometres from every tank

    • Enhance throttle response and acceleration for smoother, more controlled drivability

  • The TCM (Transmission Control Module) manages how and when your transmission shifts, including shift timing, shift pressure, torque reduction during gear changes, and overall gearbox behaviour. By remapping the TCM, we can:

    • Deliver faster, smoother gear changes with improved shift quality

    • Optimise shift points to better suit performance, towing, and everyday driving

    • Improve transmission response, reducing lag and unnecessary gear hunting

    • Better manage torque during shifts, enhancing drivability and protecting drivetrain components

    • Tailor transmission behaviour to your driving style, whether that’s daily use, towing, or spirited driving

Why Choose Protune Automotive Bunbury for ECU and TCM Remaps

Specialist Knowledge & Experience: Our technicians are remap specialists. We know exactly how to extract extra performance from your engine and transmission—without risking reliability.

Custom Solutions: Every remap is tailored to your vehicle’s make, model, and any mods you’ve already done. After more power? Chasing fuel savings? We’ll optimise to your needs.

Advanced Tools: Using only the best tuning software, precision tools, and our Mainline four-wheel drive dyno, we can remap your vehicle safely and accurately—no guesswork, no compromises.

Trusted Local Reputation: We’re known in Bunbury for our straight-talking advice and top-quality results. When you bring your vehicle to Protune, you get peace of mind.

Thorough Diagnostics: Before any remap, we run a full diagnostic health check—so you know your engine and transmission are in the right shape for tuning.

Remapping Process | How It Works

Diagnostics Check

We test drive & scan your ECU for existing issues.

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Read ECU Data

Using specialist tools, we extract your vehicle’s original software.

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Custom ECU Tune

Our technicians modify the data for optimal performance.

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Upload & Test

We upload the tuned map and road-test the vehicle for smoothness and responsiveness.

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Our ECU Tuning Services

We offer remapping and tuning for a wide range of vehicles and driving styles:

✪ CRD Tuning

✪ Turbo Engine Optimisation

✪ DPF, EGR & Torque Limiter Adjustments (where legal)

✪ Performance & Efficiency ECU Tunes

What’s in it for you?

✪ More power and torque for towing, overtaking, or just having a bit more fun

✪ Smoother acceleration and gear changes

✪ Potential fuel savings

✪ A noticeably better driving experience

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Supported Vehicle Types

We specialise in selected vehicle platforms, primarily modern turbo-diesel vehicles built for Australian conditions, including: •

✪ Turbo-diesel 4x4s (Touring, towing, work, and performance-focused builds)

✪ Large wagons and off-road vehicles Commonly used for heavy loads, long-distance travel, and remote touring

✪ Light commercial vehicles and small trucks Including cab-chassis and light-duty commercial platforms

✪ Performance-oriented diesel vehicles Where reliability and drivetrain integrity are critical •

*Vehicle suitability depends on make, model, engine, transmission, and current condition. Please contact us to confirm compatibility.*

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Why Local Drivers Choose Us

➞ Local expertise and years of hands-on experience

➞ All tunes are safe and within OEM tolerances—no risky black box hacks

➞ Honest, transparent service—no “smoke and mirrors”

➞ We fix known issues properly, the first time

FAQs | About ECU Tuning & Remapping

  • It may, depending on your manufacturer’s policies. We recommend checking with your vehicle provider first.

  • Absolutely. When done by experienced technicians, tuning is safe and reliable.

  • We typically allow a full day for an ECU and/or TCM remap. Every vehicle is different, and allowing adequate time ensures we can properly assess the vehicle, carry out the calibration, perform dyno testing and road testing, and make any required adjustments. This approach allows us to deliver safe, reliable results tailored to your vehicle rather than a rushed, one-size-fits-all tune.

  • Yes. We can restore your ECU to its factory settings if needed.

Ready to Boost Performance? Book your ECU or TCM tune today!

Whether you want more grunt for your ute or just a smoother city drive, Protune Automotive Bunbury is your go-to for safe, high-performance remapping.