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 a part in the car that helps change electricity from one form to another is getting too hot. It's like when your phone charger gets really warm when it's plugged in for a long time.
The code indicates that the temperature of the high voltage side diode 'B' in the DC/DC converter is outside the expected range, affecting its performance.
The DC/DC converter is responsible for converting high voltage from the battery to a lower voltage suitable for the vehicle's electrical systems. The diode 'B' on the high voltage side is crucial for this process, and its temperature is monitored to ensure optimal performance. If the temperature is too high, it may indicate a fault in the diode or the cooling system.
• Warning light on the dashboard
• Reduced electrical performance
• Overheating of the DC/DC converter
• Faulty diode 'B' in the DC/DC converter
• Cooling system malfunction
• Electrical overload or short circuit
DC/DC Converter: A device that converts direct current (DC) from one voltage level to another.
Diode: An electronic component that allows current to flow in one direction only.
• Check for any warning lights or error messages
• Inspect the DC/DC converter for signs of overheating
• Test the diode 'B' for proper function and temperature
• Replace the faulty diode
• Repair or replace the cooling system components
• Check and repair any electrical faults
• Multimeter
• Infrared thermometer
• Screwdriver set
$200 - $500
Moderate
• Toyota Prius
• Chevrolet Volt
• Nissan Leaf
• Regular maintenance of the cooling system
• Avoid electrical overloads
• Routine checks of the DC/DC converter
Electrical System Issue
• Do not ignore warning lights on the dashboard
• Regularly check the vehicle's electrical system
• Consult a professional mechanic if unsure
Check with your vehicle manufacturer for warranty coverage on electrical components.
This code has been more common in hybrid and electric vehicles due to their reliance on DC/DC converters.
Moderate – Addressing this issue promptly can prevent further electrical problems.
Driving with electrical issues can lead to safety hazards. It is advisable to address this code as soon as possible.
• Engine running
• Vehicle in a safe, stationary position
The DC/DC converter is typically located in the engine compartment near the battery.
Q: Can I drive my car with this code?
A: It's not recommended to drive with this code as it may lead to further electrical issues.
Q: How can I prevent this code from appearing?
A: Regular maintenance and avoiding electrical overloads can help prevent this code.
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