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 found a problem with how it's checking the power of the electric motor that helps the car move. It's like when a teacher checks if a student is doing their homework correctly, but finds something wrong.
The vehicle's control module is responsible for monitoring the torque output of the drive motor. This code indicates an issue with the safety function that monitors this torque, potentially affecting the motor's performance.
P328A is triggered when the control module detects an inconsistency or fault in the torque monitoring system of the drive motor 'A'. This could be due to a malfunction in the sensor or the control module itself, leading to incorrect torque calculations.
• Reduced vehicle performance
• Warning light on dashboard
• Unusual noises from the motor
• Inconsistent acceleration
• Vehicle may enter limp mode
• Faulty torque sensor
• Malfunctioning control module
• Wiring issues or poor connections
• Software glitch in the control module
• Mechanical issues in the drive motor
Torque: A measure of the force that can cause an object to rotate about an axis.
Control Module: An electronic device in the vehicle that manages various systems and functions.
• Use an OBD-II scanner to confirm the code
• Inspect the wiring and connections to the drive motor
• Check the torque sensor for faults
• Test the control module for software updates or errors
• Perform a mechanical inspection of the drive motor
• Replace or repair the torque sensor
• Fix any wiring or connection issues
• Update or reprogram the control module software
• Replace the control module if faulty
• Repair any mechanical issues in the drive motor
• OBD-II scanner
• Multimeter
• Torque sensor tester
• Screwdriver set
• Diagnostic software
$200 - $1000
Moderate
• Tesla Model S
• Chevrolet Bolt
• Nissan Leaf
• Regular maintenance of the drive motor
• Ensure software updates are installed
• Check for recalls related to the control module
Sensor Issue
• Avoid heavy acceleration until the issue is resolved
• Have the vehicle inspected by a professional
• Keep software up-to-date
Check with the vehicle manufacturer for warranty coverage on drive motor and control module issues.
This code has been increasingly reported in electric vehicles as they become more prevalent, highlighting the importance of reliable torque monitoring systems.
High – This issue can affect vehicle performance and safety, and should be addressed promptly.
Driving with this issue can lead to reduced vehicle performance and could be unsafe. It is recommended to address the issue as soon as possible.
• Vehicle in operation
• Under load conditions
The drive motor and associated sensors are typically located near the vehicle's axle or under the hood, depending on the vehicle design.
Q: Can I drive my car with a P328A code?
A: It's not recommended to drive with this code active, as it can affect the performance and safety of your vehicle.
Q: How can I prevent this issue from occurring?
A: Regular maintenance and ensuring all software updates are applied can help prevent this issue.
High-End · Full-system diagnostics
A full-system bidirectional platform aimed at advanced DIY users and professional diagnostic workflows.
Network faults often require full-system access instead of a generic code reader alone.
View on Amazon
Universal · Digital multimeter
A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.
Helpful for checking voltage drops, grounds, and basic circuit health when modules are not communicating.
View on Amazon
Universal · Wire connectors and repair kit
Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.
Useful if diagnosis points toward damaged connectors, wiring, or terminal repairs.
View on AmazonThese are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.