Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This means that the car's big battery, which helps it run, isn't giving enough power. It's like when a toy's battery is running low and it doesn't work well.
The voltage from the hybrid or electric vehicle's main battery is lower than expected, which can affect the vehicle's performance.
The P0B25 code indicates that the Battery Energy Control Module has detected a low voltage condition in the main hybrid/EV battery pack. This could be due to a malfunction in the battery pack itself, the battery management system, or the connections and wiring associated with the battery.
• Reduced vehicle performance
• Warning light on the dashboard
• Increased fuel consumption
• Degraded or faulty battery cells
• Poor electrical connections
• Faulty battery management system
Hybrid Vehicle: A vehicle that uses both an internal combustion engine and an electric motor.
Battery Management System: A system that manages the charging and discharging of the battery pack.
• Check for any loose or corroded battery connections.
• Measure the voltage of the battery pack.
• Scan the vehicle for additional trouble codes.
• Tighten or clean battery connections.
• Replace faulty battery cells.
• Repair or replace the battery management system.
• Digital multimeter
• OBD-II scanner
• Insulated tools for battery work
$500 - $2000
Difficult
• Toyota Prius
• Chevrolet Volt
• Nissan Leaf
• Regularly check battery connections.
• Perform routine maintenance on the battery system.
• Avoid deep discharges of the battery pack.
Battery Performance Issue
• Do not ignore the warning light; seek professional help.
• Avoid driving the vehicle until the issue is resolved.
• Consider routine checks to prevent future issues.
Battery-related issues may be covered under the vehicle's battery warranty, which often extends beyond the standard vehicle warranty.
As hybrid and EV technology has advanced, codes like P0B25 have become more common as vehicles age and battery systems degrade.
High – This issue can lead to vehicle breakdown and should be addressed promptly.
Driving with a malfunctioning battery system can be dangerous and may result in further vehicle damage.
• Vehicle at operating temperature
• Battery fully charged
The main hybrid/EV battery is usually located beneath the vehicle's floor or in the trunk area.
Q: Can I drive my car with a P0B25 code?
A: It's not recommended as it can lead to more severe issues or leave you stranded.
Q: How long does a hybrid/EV battery last?
A: Typically, they last 8-10 years, but this can vary based on usage and maintenance.
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