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Code P1C64

Quick reference

P1C64 at a glance

Plain-language meaning
This code means that the car's computer has detected a problem with the part that helps manage electricity when charging. It's like when your phone charger isn't working right and your phone charges slowly.
Urgency
Moderate – It is important to address this issue to ensure efficient and safe charging.
Difficulty
Moderate
System
Sensor Issue
Tools mentioned
Multimeter, OBD-II scanner, Screwdriver set

This summary uses the existing diagnostic information shown in full below.

Laymans terms

This code means that the car's computer has detected a problem with the part that helps manage electricity when charging. It's like when your phone charger isn't working right and your phone charges slowly.

Explanation

The P1C64 code indicates an issue with the voltage sensor circuit in the power factor correction converter of the universal charger extension control module. This circuit is responsible for ensuring the correct voltage levels during charging.

Technical description

The P1C64 code is triggered when the voltage sensor circuit in the power factor correction converter of the universal charger extension control module detects a voltage level that is lower than expected. This can affect the efficiency and safety of the charging process.

Symptoms

• Slow charging

• Charging system warning light

• Increased charging time

Common Causes

• Faulty voltage sensor

• Damaged wiring or connectors

• Malfunctioning control module

Glossary

Voltage Sensor: A device that measures the voltage level in an electrical circuit.

Power Factor Correction: A technique used to improve the efficiency of electrical power usage.

Diagnosis steps

• Check for any visible damage to the wiring and connectors.

• Test the voltage sensor for proper operation.

• Inspect the control module for faults.

Repair procedures

• Replace the faulty voltage sensor.

• Repair or replace damaged wiring or connectors.

• Replace the malfunctioning control module.

Tools required

• Multimeter

• OBD-II scanner

• Screwdriver set

Estimated repair cost

$100 - $500

Difficulty level

Moderate

Commonly affected vehicles

• Electric Vehicle Model A

• Electric Vehicle Model B

• Hybrid Vehicle Model C

Preventive measures

• Regularly inspect charging system components.

• Ensure all electrical connections are secure.

• Use manufacturer-recommended charging equipment.

Error code type

Sensor Issue

User experience recommendations

• Have the vehicle inspected by a professional.

• Avoid using non-standard charging equipment.

Warranty information

Check with your vehicle manufacturer for warranty coverage related to the charging system.

Historical data

This code has been reported in newer electric and hybrid vehicles as charging systems become more complex.

Urgency level

Moderate – It is important to address this issue to ensure efficient and safe charging.

Testing conditions

• Vehicle in charging mode

• Ambient temperature within operational range

Component location

The universal charger extension control module is typically located near the vehicle's charging port.

FAQs

Q: Can I still drive my car with this code?
A: Yes, but it is recommended to have the issue addressed to ensure proper charging.

Q: Will this affect my battery life?
A: If left unresolved, it could potentially affect battery efficiency and lifespan.

Optional diagnostic gear

Tools that may help diagnose P1C64

THINKCAR ThinkScan Bidirectional diagnostic tool illustration

High-End · Full-system diagnostics

THINKCAR ThinkScan Bidirectional

A full-system bidirectional platform aimed at advanced DIY users and professional diagnostic workflows.

Network faults often require full-system access instead of a generic code reader alone.

View on Amazon
Klein Tools MM325 diagnostic tool illustration

Universal · Digital multimeter

Klein Tools MM325

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.

View on Amazon
WORKPRO Wiring Repair Kit diagnostic tool illustration

Universal · Wire connectors and repair kit

WORKPRO Wiring 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.

View on Amazon

These are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.

Source: ezOBD2 diagnostic database
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