Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the battery charger in your car is getting too hot. It's like when your phone charger gets really warm, but in this case, it's happening in your car.
The vehicle's onboard computer has detected that the temperature of Battery Charger B has exceeded the normal operating range.
P0E85 is a diagnostic trouble code (DTC) indicating that the temperature sensor associated with Battery Charger B has reported a temperature that is higher than the specified threshold. This could be due to a malfunction in the charger, a cooling system failure, or an environmental factor causing the charger to overheat.
• Warning light on dashboard
• Reduced charging efficiency
• Possible shutdown of charging system
• Faulty temperature sensor
• Cooling system failure
• Overloaded electrical system
OBD-II: On-Board Diagnostics, a standardized system for vehicles to self-diagnose and report issues.
DTC: Diagnostic Trouble Code, a code that indicates a specific problem within the vehicle.
• Check for any visible damage or obstruction in the cooling system.
• Inspect the temperature sensor and its connections.
• Use a diagnostic tool to read the temperature data and confirm the code.
• Replace the faulty temperature sensor.
• Repair or replace any damaged cooling system components.
• Ensure proper ventilation around the battery charger.
• OBD-II scanner
• Multimeter
• Thermal camera
$150 - $500
Moderate
• Toyota Prius
• Chevrolet Volt
• Nissan Leaf
• Regular maintenance of the cooling system
• Avoid overloading the vehicle's electrical system
• Ensure proper ventilation in the charging area
Temperature Sensor Issue
• Avoid charging in extremely hot environments.
• Have the vehicle inspected by a professional if the warning light appears.
• Monitor the vehicle's charging efficiency regularly.
Check your vehicle's warranty for coverage on electrical components and sensors.
This code has been more common in hybrid and electric vehicles due to their reliance on battery charging systems.
Moderate – While the vehicle may still operate, prolonged use without addressing the issue could lead to more severe damage.
Ignoring this code can lead to battery damage and reduced vehicle efficiency. Always address warning lights promptly.
• Vehicle in a safe and cool environment
• Battery charger in operation
Battery Charger B is typically located near the vehicle's battery pack, often in the rear of the vehicle.
Q: Can I drive my car with this code?
A: It's possible to drive, but it's not recommended as it could lead to further damage.
Q: How do I know if my charger is overheating?
A: You may notice a warning light on the dashboard or reduced charging efficiency.
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