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 power supply for a sensor that helps control the electric motor. It's like when a toy doesn't work because its battery is too strong.
The vehicle's control module has detected that the voltage level in the 5V sensor power supply circuit for Drive Motor 'A' is higher than expected.
The P1A98 code is triggered when the control module identifies an abnormally high voltage level in the 5V sensor power supply circuit for Drive Motor 'A'. This could indicate a fault in the power supply circuit, wiring issues, or a malfunctioning sensor.
• Check Engine Light is on
• Reduced vehicle performance
• Unusual driving behavior
• Faulty sensor
• Wiring issues or short circuits
• Malfunctioning control module
OBD-II: On-Board Diagnostics, a system that monitors vehicle performance and emissions.
Control Module: A computer in the vehicle that manages various functions.
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors for damage.
• Test the sensor and control module for proper operation.
• Repair or replace damaged wiring.
• Replace the faulty sensor.
• Replace or reprogram the control module if necessary.
• OBD-II scanner
• Multimeter
• Wiring repair tools
$150 - $500
Moderate
• Chevrolet Volt
• Nissan Leaf
• Toyota Prius
• Regular maintenance checks
• Inspect wiring for wear and tear
• Ensure sensors are functioning properly
Sensor Issue
• Do not ignore the Check Engine Light.
• Have the vehicle inspected by a professional.
• Avoid driving the vehicle until it is repaired.
Check with your vehicle manufacturer for warranty coverage on control module and sensor issues.
This code has been reported in hybrid and electric vehicles, often related to sensor or wiring issues.
Moderate – It is advisable to address this issue promptly to avoid potential damage to the vehicle's electric motor system.
Driving with a malfunctioning sensor can lead to reduced vehicle performance and potentially unsafe driving conditions.
• Vehicle at operating temperature
• Engine running
The sensor and control module are typically located near the drive motor, often in the engine compartment.
Q: Can I drive with a P1A98 code?
A: It's not recommended to drive with this code active as it can affect vehicle performance and safety.
Q: How do I clear a P1A98 code?
A: After repairs, use an OBD-II scanner to clear the code. If the issue is resolved, it should not return.
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