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 car's computer detected something strange with the sensor that measures the electricity going through a part of the car called the DC/DC converter. It thinks the electricity is too high, which might be a mistake.
The DC/DC converter is part of the car's electrical system that changes high voltage to a lower voltage. The sensor measures the current, and this code indicates that the sensor is reporting an unusually high current.
The P1CD6 code is triggered when the powertrain control module (PCM) detects an implausibly high current reading from the high voltage current sensor 'B' circuit in the DC/DC converter. This can indicate a sensor malfunction or a wiring issue.
• Check Engine Light is on
• Possible reduced fuel efficiency
• Potential issues with electrical components
• Faulty high voltage current sensor
• Wiring issues or poor connections in the sensor circuit
• Malfunctioning DC/DC converter
DC/DC Converter: A device that converts high voltage DC power to lower voltage DC power.
Current Sensor: A device that measures the flow of electrical current.
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connections to the high voltage current sensor.
• Test the sensor for proper operation.
• Replace the high voltage current sensor if faulty.
• Repair or replace damaged wiring or connectors.
• Replace the DC/DC converter if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $500
Moderate
• Chevrolet Volt
• Toyota Prius
• Nissan Leaf
• Regular maintenance checks of the electrical system
• Ensure proper installation of electrical components
• Monitor for any warning lights on the dashboard
Sensor Issue
• Have the vehicle inspected by a professional if the Check Engine Light is on.
• Avoid driving the vehicle if you notice electrical issues.
• Regularly check for recalls or service bulletins related to your vehicle.
Check with your vehicle manufacturer for specific warranty coverage related to the electrical system.
This code has been more frequently reported in hybrid and electric vehicles due to their complex electrical systems.
Moderate – It is recommended to address this issue soon to prevent potential electrical failures.
Driving with electrical issues can be unsafe and may lead to further damage. Always consult a professional mechanic.
• Vehicle must be on and running.
• Ensure the battery is fully charged.
The high voltage current sensor is typically located near the DC/DC converter, which is usually found in the engine compartment.
Q: What does a DC/DC converter do?
A: A DC/DC converter changes high voltage from the battery to a lower voltage to power the car's electrical systems.
Q: Can I drive with a P1CD6 code?
A: It's not recommended to drive for long periods with this code, as it may indicate electrical issues that could affect vehicle performance.
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