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 has detected a problem with the sensor that measures how much electricity is flowing through one part of the electric motor. It's like when a toy's battery checker isn't working right.
The P2E20 code is triggered when the vehicle's powertrain control module (PCM) detects an issue with the current sensor circuit for Phase Y of Drive Motor A. This means the sensor is not reading the current flow correctly, which can affect the motor's performance.
The P2E20 code indicates a range or performance problem with the current sensor circuit associated with Phase Y of Drive Motor A. This sensor is responsible for monitoring the current flow through one of the phases of the electric motor, and any discrepancies can lead to improper motor function.
• Reduced vehicle performance
• Warning light on the dashboard
• Unusual noises from the motor
• Faulty current sensor
• Damaged wiring or connectors
• Malfunctioning powertrain control module (PCM)
PCM: Powertrain Control Module
OBD-II: On-Board Diagnostics, Second Generation
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors for damage.
• Test the current sensor for proper operation.
• Replace the faulty current sensor.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the PCM if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$200 - $600
Moderate
• Chevrolet Volt
• Nissan Leaf
• Tesla Model S
• Regular maintenance checks
• Ensure proper electrical connections
• Avoid exposure to extreme temperatures
Sensor Issue
• Avoid driving the vehicle until repaired to prevent further damage.
• Consult a professional mechanic for accurate diagnosis and repair.
Check with your vehicle manufacturer for warranty coverage on powertrain components.
This code has become more common with the increased use of electric and hybrid vehicles, as they rely heavily on motor current sensors.
Moderate – It is recommended to address this issue soon to prevent potential motor damage.
Driving with a malfunctioning motor sensor can lead to reduced vehicle performance and safety risks.
• Vehicle must be in a safe, stationary position.
• Ensure the battery is fully charged.
The current sensor for Drive Motor A Phase Y is typically located near the electric motor or within the motor control unit.
Q: Can I drive with a P2E20 code?
A: It's not recommended to drive with this code active, as it can lead to reduced performance and potential damage.
Q: How do I reset the P2E20 code?
A: After repairs, use an OBD-II scanner to clear the code, but ensure the issue is fixed first.
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