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 the sensor that checks how much electricity is flowing through a part of the car. It's like a thermometer for electricity, and it's not working right.
The P0A87 code indicates an issue with the performance or range of the current sensor in the 14 Volt Power Module. This sensor is responsible for monitoring the current flowing through the power module.
The 14 Volt Power Module Current Sensor A is part of the vehicle's electrical system, which helps manage the distribution of electrical power. When the sensor's readings are outside the expected range, it triggers the P0A87 code. This could be due to a malfunctioning sensor, wiring issues, or a problem with the power module itself.
• Check Engine Light is on
• Electrical components may not work properly
• Possible battery charging issues
• Faulty current sensor
• Damaged or corroded wiring
• Malfunctioning 14 Volt Power Module
OBD-II: On-Board Diagnostics, a system that monitors vehicle performance.
Current Sensor: A device that measures the flow of electrical current.
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connections to the current sensor.
• Test the current sensor for proper operation.
• Replace the faulty current sensor.
• Repair or replace damaged wiring.
• Replace the 14 Volt Power Module if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$200 - $500
Moderate
• Toyota Prius
• Chevrolet Volt
• Ford Fusion Hybrid
• Regularly inspect electrical connections.
• Ensure proper maintenance of the vehicle's electrical system.
• Avoid overloading the electrical system.
Sensor Issue
• Do not ignore the Check Engine Light.
• Have the vehicle inspected by a professional if unsure.
• Avoid using high electrical loads until the issue is resolved.
Check with the vehicle manufacturer for specific warranty coverage on electrical components.
This code has been associated with hybrid and electric vehicles due to their complex electrical systems.
Moderate – It should be addressed soon to avoid potential electrical system failures.
Driving with a malfunctioning electrical system can be unsafe and may lead to further damage.
• Vehicle must be running.
• Electrical load should be applied to the system.
The 14 Volt Power Module is typically located near the vehicle's battery or under the hood in the engine compartment.
Q: Can I drive with a P0A87 code?
A: It's not recommended to drive for long periods with this code, as it could lead to electrical system failures.
Q: How do I reset the P0A87 code?
A: After repairs, use an OBD-II scanner to clear the code. If the issue is fixed, it should not return.
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