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 computer in the car found a problem with the settings for one of the electric motors. It's like when a game console has the wrong settings and doesn't work right.
The P1E44 code indicates that the control module for the drive motor 'B' has detected an error in its calibration settings.
The Drive Motor 'B' Control Module is responsible for managing the operation of one of the electric motors in a hybrid or electric vehicle. A calibration error means that the module's settings or parameters are not aligned with the expected values, which can affect motor performance.
• Reduced vehicle performance
• Illuminated check engine light
• Unusual noises from the drive motor
• Software glitch in the control module
• Corrupted calibration data
• Faulty control module
Control Module: A computer in the vehicle that manages specific functions.
Calibration: The process of setting or correcting a device or system to ensure it operates correctly.
• Use an OBD-II scanner to confirm the code.
• Check for any software updates for the control module.
• Inspect the wiring and connections to the control module.
• Reprogram or update the control module software.
• Reset the control module to factory settings.
• Replace the control module if necessary.
• OBD-II scanner
• Multimeter
• Diagnostic software tool
$150 - $500
Moderate
• Chevrolet Volt
• Chevrolet Bolt
• Cadillac ELR
• Regularly update vehicle software.
• Perform routine maintenance checks.
• Avoid harsh driving conditions that stress the electric motor.
Control Module Issue
• Drive gently until the issue is resolved.
• Schedule a service appointment with a qualified technician.
Check with the vehicle manufacturer for warranty coverage on control module issues.
This code has been associated with early models of electric and hybrid vehicles where software updates were less frequent.
Moderate – It should be addressed soon to avoid potential damage to the electric motor.
Ignoring this code could lead to reduced vehicle performance and efficiency, which may not comply with emissions regulations.
• Vehicle at operating temperature
• Drive motor engaged
The Drive Motor 'B' Control Module is typically located near the drive motor assembly, often in the engine compartment or under the vehicle.
Q: Can I drive with a P1E44 code?
A: It's possible to drive, but it's not recommended as it may lead to reduced performance and efficiency.
Q: How do I fix a P1E44 code?
A: You may need to update or reset the control module software, or replace the module if it's faulty.
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