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 getting a steady signal from a sensor that checks the power flow in the car's electrical system. It's like when a light bulb flickers because of a loose wire.
The code P0A8A indicates an intermittent issue with the current sensor circuit in the 14-volt power module. This sensor is responsible for monitoring the current flow and ensuring it is within the expected range.
The 14 Volt Power Module Current Sensor A Circuit Intermittent code is set when the Powertrain Control Module (PCM) detects an inconsistent or erratic signal from the current sensor in the 14-volt power module. This sensor helps the PCM manage the electrical load and charging system effectively. An intermittent circuit can cause fluctuations in the electrical system, leading to potential performance issues.
• Flickering dashboard lights
• Inconsistent electrical performance
• Possible battery charging issues
• Faulty current sensor
• Loose or corroded electrical connections
• Damaged wiring harness
PCM: Powertrain Control Module
OBD-II: On-Board Diagnostics, Second Generation
• Inspect the wiring and connectors for damage or corrosion.
• Test the current sensor for proper operation.
• Check for any loose connections in the power module circuit.
• Replace the faulty current sensor.
• Repair or replace damaged wiring or connectors.
• Ensure all connections are secure and free of corrosion.
• Multimeter
• OBD-II scanner
• Wiring repair kit
$100 - $300
Moderate
• Toyota Prius
• Chevrolet Volt
• Ford Fusion Hybrid
• Regularly inspect electrical connections for corrosion.
• Ensure wiring is not exposed to excessive heat or moisture.
• Perform routine maintenance checks on the electrical system.
Sensor Issue
• Have a professional inspect the vehicle if you notice flickering lights.
• Avoid using high electrical loads until the issue is resolved.
Check with your vehicle manufacturer for warranty coverage on electrical components.
This code has been more commonly reported in hybrid vehicles due to their complex electrical systems.
Moderate – While the vehicle may still operate, ignoring this issue could lead to more significant electrical problems.
Driving with an electrical system fault could lead to unexpected vehicle behavior. Address the issue promptly to ensure safety.
• Vehicle at operating temperature
• All electrical accessories turned off
The current sensor is typically located near the power distribution center or battery in the engine compartment.
Q: Can I drive with a P0A8A code?
A: While you may be able to drive, it's best to address the issue soon to avoid potential electrical problems.
Q: How do I reset the P0A8A code?
A: After repairs, use an OBD-II scanner to clear the code from the vehicle's computer.
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