Is your Chevrolet Bolt experiencing battery issues? The team at Maxat Hybrid Repair in West Sacramento is here to get your electric vehicle back on the road! With over 10 years of experience in high-voltage systems, we understand the intricate details of EV performance and maintenance.
Don’t rush into buying a brand-new battery pack. Our advanced diagnostics allow us to pinpoint specific weak cells or modules. We offer targeted Chevrolet Bolt battery repairs, replacing only the faulty components. This is a reliable, field-tested way to avoid massive expenses while restoring your vehicle’s range and health.
Due to known manufacturing defects in certain year models, internal shorts can occur. Often, there are no early symptoms, making proactive diagnostics essential for your safety and the vehicle's longevity.
Extreme temperature fluctuations can cause cell imbalance in the Bolt. This often leads to "Propulsion Power is Reduced" errors and a noticeable loss in vehicle dynamics.
The Bolt uses a liquid-cooling system. Common failures include pump malfunctions, coolant leaks, or crystallization of the specialized Dex-Cool fluid, which can lead to overheating.
After 150,000–200,000 miles, you may notice "range shrink" or erratic jumps in the State of Charge (SOC) percentage, indicating a failing module.
Depending on the humidity and road conditions in your area, the high-voltage wiring and contacts can oxidize, leading to isolation faults and charging errors.

We begin with a deep-dive diagnostic of your Bolt’s high-voltage battery. We analyze every module’s status, monitoring temperature, voltage, and balance to identify the root cause of any error codes.

The Bolt battery consists of hundreds of cells grouped into modules. Our specialized equipment identifies modules with high internal resistance, reduced capacity, or significant voltage drift.

We isolate and remove only the faulty sections or modules, replacing them with tested, high-health units to keep your repair costs manageable.

Using external balancing chargers, we equalize the voltage of the new modules to match the rest of the pack exactly. This ensures the Battery Management System (BMS) accepts the repair seamlessly.

Before delivery, we perform a rigorous validation: testing charge/discharge cycles, checking thermal management, and verifying all electronic control systems.

You will receive a detailed report including "before and after" photos, voltage/resistance data, a summary of the work performed, and expert maintenance tips.

Faulty components are replaced with genuine Chevrolet/GM modules. This ensures compatibility and restores the reliable performance you expect from your Bolt.

We provide an industry-leading 4-year warranty covering manufacturing defects. We stand behind our work so you can drive with total confidence. (Warranty terms may vary—please contact us for specific details.)

Full battery replacements are a major investment. Our selective module replacement strategy offers a high-quality repair at a fraction of the cost of a new pack.

Faulty components are replaced with genuine Chevrolet/GM modules. This ensures compatibility and restores the reliable performance you expect from your Bolt.

We provide an industry-leading 4-year warranty covering manufacturing defects. We stand behind our work so you can drive with total confidence.

Full battery replacements are a major investment. Our selective module replacement strategy offers a high-quality repair at a fraction of the cost of a new pack.
Alex Tim2024-05-14 Lydia Lesnyakov2024-04-26 Very knowledgeable on hybrids I felt like the pricing was fair and they were thorough in the diagnostic. Definitely will be getting the necessary repairs done here. Roman Borodulin2024-04-12 Очень рекомендую! Профессионалы, и самое главное, не обманывают! Bashar Baz2024-03-14 Дмитрий Матвеев2024-03-13 Darrell King2024-03-05 Alex Kan2024-02-07 Great services fast turnaround within hours he will have you back on the road Lavonta2024-01-22 Kevin Packer2024-01-10 Polite clean professional and efficient. Natascha Lee2023-11-29 Eddie & his team know exactly what they are doing when it comes to car repairs!! I had to issues with my car, one seemed more severe, but I was reassured that everything was okay and they would be able to order the part and repair the other problem!! They were very quick and very responsive and courteous!! And I can’t forget how efficient!! Was able to pick up my car today after having the diagnostic done less then a week ago! Highly recommend and if I need anything else for my car I know my car is in greats hands at Maxat Hybrid!! Thank you To you Eddie & your team!Load moreGoogle rating score: 4.6 of 5, based on 154 reviews
The main concerns involve manufacturing-related short circuit risks, cooling system leaks, contact oxidation, and cell imbalance.
Most Bolt batteries can be repaired by replacing specific modules. We recommend a full diagnostic first; usually, a targeted repair is sufficient to restore the vehicle.
Regularly monitor your cooling system, avoid frequent deep discharges (below 10%), keep the vehicle out of extreme heat when possible, and ensure the software is updated for optimal cell balancing.
Costs vary based on the number of modules needing replacement. However, by focusing only on the faulty components, we significantly reduce the total price compared to a dealership’s full-pack replacement.
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