Ebike & eScooter Controller Replacement

Q: What are the signs of a bad eBike or eScooter controller?

Common signs include jerky acceleration, delayed throttle response, error codes, inconsistent speed, or complete loss of motor function. A controller issue may also cause overheating or unexpected behavior under load.

Q: Can a damaged controller be repaired or does it need replacement?

That depends on the extent of the damage. Some controllers can be repaired by replacing components like MOSFETs, capacitors, or connectors. If repair isn’t possible, we install a new controller matched to your system.

Q: How long does controller replacement take?

Most controller replacements are completed within 1 to 2 business days. If we have the part in stock, same-day turnaround is often possible.

Q: Do you support aftermarket or DIY eBike controllers?

Yes. We work with a wide range of aftermarket and custom controller systems. If your build uses a programmable controller or a non-standard configuration, we’ll evaluate and recommend the right solution.

Q: Will a new controller improve my bike’s performance?

In many cases, yes. Modern controllers can offer smoother acceleration, better heat management, and more efficient power delivery. With proper tuning, they can also enhance torque, responsiveness, and ride feel.

Professional eBike and eScooter controller replacement and repair services available across the SF Bay Area. We specialize in diagnosing and fixing faulty controllers. As the central unit responsible for managing motor power, throttle input, and overall ride performance, a malfunctioning controller can severely affect your bike or scooter’s reliability. Our expert technicians use advanced diagnostic tools to accurately identify problems and either repair the controller or replace it with a high-quality, compatible unit. We ensure seamless integration with your existing motor and battery systems to restore smooth acceleration, responsive throttle control, and safe, efficient performance—so you can ride with confidence.

Electric bike controller being tested and replaced in a workshop for smooth throttle and motor performance.

Introduction

The controller is the brain of your electric bike or scooter—responsible for interpreting throttle input, managing motor output, and regulating battery power delivery for smooth, responsive rides. When it malfunctions, symptoms like poor acceleration, jerky movement, delayed throttle response, or total motor failure can occur. Our expert technicians specialize in diagnosing, repairing, and replacing faulty eBike and eScooter controllers across all major systems. Using high-performance, compatible components, we ensure seamless integration with your motor and battery setup to restore optimal speed control, power efficiency, and safe operation. Whether you’re facing inconsistent performance or complete power loss, we deliver precise repairs that get your electric ride back to peak condition with confidence.

Service Overview

1
High-Quality Controller Replacement: In most cases, controller issues are best addressed through replacement. We install premium, OEM-compatible controllers that are carefully selected to match or exceed the performance of your original unit. Each controller is bench-tested and calibrated for seamless integration and dependable operation.
2
Selective Repair Services: While some minor faults may be repairable, controller repair is typically reserved for specific cases. Our goal is long-term reliability and performance, which is why we prioritize replacement using tested, high-grade components over short-term fixes.
3
Full System Integration Testing: After installation, we rigorously test your entire drive system—including throttle, motor, battery, and display—to ensure everything works in harmony. Our integration process includes load testing, fine-tuning, and real-world test rides to validate smooth throttle response and safe, consistent power delivery.
4
Optional Performance Tuning: For compatible systems, we offer controller firmware tuning and parameter customization. Whether you're seeking enhanced torque, a smoother throttle curve, or optimized battery efficiency, we tailor controller behavior to suit your riding style and performance goals.

Explore Our Services

From repairs to upgrades, we offer comprehensive solutions for eBikes and eScooters.

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Why Choose Us?

Experienced Technicians: Our team is highly experienced in diagnosing and servicing complex eBike and eScooter electronics, including advanced controller systems and custom builds. We bring deep technical knowledge and hands-on expertise to every job.
Premium Replacement Controllers: We use only high-quality, OEM-grade or high-performance controllers that meet or exceed original specifications. Every unit is selected for compatibility, durability, and enhanced ride quality.
Transparent Pricing & Guaranteed Work: We provide clear, upfront estimates with no hidden fees. All parts and labor are backed by a warranty, so you can feel confident in the reliability and value of our service.

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Frequently Asked Questions

What are the signs of a bad eBike or eScooter controller?

Can a damaged controller be repaired or does it need replacement?

How long does controller replacement take?

Do you support aftermarket or DIY eBike controllers?

Will a new controller improve my bike’s performance?

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