Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there's a problem with the car's charging system. It's like when your phone charger is loose and doesn't always charge your phone properly.
The P0CFC code indicates an issue with the control pilot charging switch, which is part of the vehicle's charging system. The signal from this switch is inconsistent or erratic.
The control pilot charging switch A is responsible for managing the communication between the electric vehicle and the charging station. An intermittent or erratic signal can disrupt the charging process, leading to incomplete or failed charging sessions.
• Inconsistent charging
• Charging interruptions
• Charging system warning light on the dashboard
• Faulty control pilot charging switch
• Damaged wiring or connectors
• Software or firmware issues in the charging system
Control Pilot: A communication line between the electric vehicle and charging station.
Charging Switch: A component that manages the flow of electricity during charging.
• Check for any diagnostic trouble codes related to the charging system.
• Inspect the control pilot charging switch and its connections for damage or corrosion.
• Test the wiring and connectors for continuity and proper connection.
• Replace the faulty control pilot charging switch.
• Repair or replace damaged wiring or connectors.
• Update the vehicle's charging system software or firmware.
• OBD-II scanner
• Multimeter
• Screwdriver set
$150 - $500
Moderate
• Chevrolet Volt
• Nissan Leaf
• Tesla Model S
• Regularly inspect charging cables and connectors.
• Ensure charging software is up to date.
• Avoid using damaged charging equipment.
Charging System Issue
• Avoid using the vehicle's charging system until the issue is resolved.
• Consult with a professional mechanic for a proper diagnosis.
Check if the vehicle's warranty covers charging system components.
This code has been more prevalent with the increase in electric and hybrid vehicles, highlighting the importance of reliable charging systems.
Moderate – While the vehicle may still operate, charging issues can lead to inconvenience and potential battery damage.
Ensure all repairs are conducted by a qualified technician to prevent safety hazards.
• Vehicle parked and connected to a charging station
• Charging system activated
The control pilot charging switch is typically located near the vehicle's charging port.
Q: Can I drive my car with this code?
A: Yes, but you may experience charging issues. It's best to get it fixed soon.
Q: Will this code affect my car's performance?
A: It won't affect driving performance, but it can cause charging problems.
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Universal · Digital multimeter
A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.
Helpful for checking voltage drops, grounds, and basic circuit health when modules are not communicating.
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Universal · Wire connectors and repair kit
Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.
Useful if diagnosis points toward damaged connectors, wiring, or terminal repairs.
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