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 a sensor in the car that helps manage the battery charging system. It's like if a part of your toy that tells you when the batteries are running low isn't working right.
The P1C4F code indicates an issue with the voltage sensor circuit related to the Universal Charger Extension Control Module. This sensor monitors the voltage levels to ensure they are within the expected range.
The Universal Charger Extension Control Module is responsible for managing the charging process of the vehicle's battery. The crash clamp voltage sensor is a component that ensures the voltage levels are within a safe and efficient range. If the circuit is not performing as expected, it can trigger the P1C4F code.
• Check engine light is on
• Battery charging issues
• Reduced vehicle performance
• Faulty voltage sensor
• Wiring issues or poor connections
• Malfunctioning Universal Charger Extension Control Module
Voltage Sensor: A device that measures the voltage level in a circuit.
Universal Charger Extension Control Module: A component that manages the charging of the vehicle's battery.
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connections to the voltage sensor.
• Test the voltage sensor for proper operation.
• Replace the faulty voltage sensor.
• Repair or replace damaged wiring.
• Replace the Universal Charger Extension Control Module if necessary.
• OBD-II scanner
• Multimeter
• Wrench set
$150 - $500
Moderate
• Vehicle 1
• Vehicle 2
• Vehicle 3
• Regularly inspect and maintain the charging system.
• Ensure all electrical connections are secure.
• Use the correct charger for your vehicle.
Sensor Issue
• Have the vehicle checked by a professional mechanic.
• Avoid using the vehicle's charging system until the issue is resolved.
Check your vehicle's warranty to see if the charging system components are covered.
This code is relatively uncommon and usually associated with modern vehicles equipped with advanced charging systems.
Moderate – It should be addressed soon to prevent battery issues.
Ignoring this code may lead to battery failure, which can affect vehicle safety and performance.
• Vehicle in 'On' position
• Battery fully charged
The voltage sensor is typically located near the battery or within the Universal Charger Extension Control Module.
Q: Can I drive with the P1C4F code?
A: It's not recommended to drive for long periods with this code active as it may lead to battery charging issues.
Q: How do I clear the P1C4F code?
A: After repairs, use an OBD-II scanner to clear the code. If the issue is resolved, it should not return.
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