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 there's a problem with the power supply to a part of the car that helps control the electric motor. It's like when a toy doesn't work because the batteries are too low.
The P1E4D code indicates a low voltage condition in the power supply circuit for the inverter transistor of Drive Motor 'B'.
The inverter transistor is a component within the drive motor inverter that helps convert DC power from the battery into AC power for the electric motor. A low power supply circuit condition suggests that the inverter is not receiving sufficient voltage to operate properly, which can affect the performance of the electric motor.
• Reduced vehicle performance
• Warning light on the dashboard
• Possible stalling or hesitation
• Faulty inverter transistor
• Poor electrical connections
• Battery or voltage supply issues
Inverter: A device that converts DC electricity from the battery to AC electricity for the motor.
Transistor: A semiconductor device used to amplify or switch electronic signals and electrical power.
• Check for any loose or corroded electrical connections.
• Test the battery voltage and charging system.
• Inspect the inverter transistor for any signs of damage.
• Tighten or repair any loose connections.
• Replace faulty inverter transistor.
• Ensure the battery and charging system are functioning properly.
• Multimeter
• OBD-II scanner
• Wrench set
$200 - $600
Moderate
• Chevrolet Volt
• Toyota Prius
• Nissan Leaf
• Regularly check and maintain electrical connections.
• Ensure the battery is in good condition.
• Schedule routine vehicle maintenance.
Electrical Circuit Issue
• Avoid driving the vehicle until the issue is diagnosed.
• Consult a professional mechanic for a thorough inspection.
Check with your vehicle manufacturer for specific warranty coverage related to the inverter and electrical components.
This code is more common in hybrid and electric vehicles due to their reliance on inverter systems.
Moderate – It should be addressed soon to prevent further issues with the vehicle's performance.
Driving with this issue may lead to reduced vehicle performance and potential safety risks.
• Vehicle must be in a safe, stationary position.
• Ensure the vehicle is powered on and in diagnostic mode.
The inverter is typically located near the electric motor or battery pack in hybrid and electric vehicles.
Q: Can I drive my car with a P1E4D code?
A: It's not recommended to drive with this code active, as it can affect vehicle performance and safety.
Q: Will a low battery cause a P1E4D code?
A: Yes, a low battery can contribute to this code if it affects the power supply to the inverter.
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