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 is having trouble reading the position of a part of the electric motor. It's like when you can't tell where your toy car is because the remote control isn't working right.
The P0A47 code indicates that the vehicle's computer has detected a low voltage signal from the position sensor of Drive Motor B, which is responsible for determining the motor's position.
The Drive Motor B Position Sensor is responsible for providing the vehicle's control module with the position of the electric motor. A 'circuit low' condition means that the sensor is sending a signal that is below the expected voltage range, indicating a potential issue with the sensor or its wiring.
• Illuminated check engine light
• Reduced vehicle performance
• Possible issues with electric motor operation
• Faulty Drive Motor B Position Sensor
• Open or shorted wiring in the sensor circuit
• Poor electrical connection in the sensor circuit
OBD-II: On-Board Diagnostics, a standardized system in vehicles for self-diagnostics and reporting.
Sensor: A device that detects or measures a physical property and records, indicates, or otherwise responds to it.
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors for damage or corrosion.
• Test the Drive Motor B Position Sensor for proper operation.
• Replace the Drive Motor B Position Sensor if faulty.
• Repair or replace damaged wiring or connectors.
• Clear the code and test drive the vehicle to ensure the issue is resolved.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $400
Moderate
• Toyota Prius
• Chevrolet Volt
• Nissan Leaf
• Regularly inspect and maintain vehicle wiring.
• Ensure connectors are clean and secure.
• Schedule routine vehicle diagnostics.
Sensor Issue
• Do not ignore the check engine light.
• Seek professional diagnosis if unsure.
• Regular maintenance can prevent such issues.
Sensor-related repairs may be covered under powertrain warranty. Check with your vehicle manufacturer.
This code has been reported in hybrid and electric vehicles due to their reliance on electric motor sensors.
Moderate – While the vehicle may still operate, ignoring this issue can lead to reduced performance or further damage.
Driving with a malfunctioning sensor can lead to decreased vehicle performance and safety hazards. Address the issue promptly.
• Vehicle must be in operation.
• Engine control module must detect sensor signal outside normal range.
The Drive Motor B Position Sensor is typically located near the electric motor within the vehicle's powertrain assembly.
Q: Can I drive my car with a P0A47 code?
A: While the car may still be drivable, it's not recommended to ignore this issue as it can lead to reduced performance or further damage.
Q: How do I reset the P0A47 code?
A: After repairs, use an OBD-II scanner to clear the code. If the issue is resolved, the code should not return.
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