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 charge of controlling the car's electric motor found a problem with its memory. It's like when a video game console can't save your game because there's an error with the memory card.
The control module for the drive motor has detected an error in its safety function memory, which could affect the motor's operation.
The P1C33 code indicates that the Drive Motor 'A' Control Module has encountered an error with its safety function memory. This memory is crucial for ensuring the motor operates safely and efficiently. The error could be due to a corrupted memory segment or a failure in the module's ability to read or write data correctly.
• Check engine light illuminated
• Reduced vehicle performance
• Inability to enter EV mode
• Faulty drive motor control module
• Corrupted memory in the control module
• Software or firmware issue
Control Module: An electronic device that manages the operation of a vehicle system.
Memory Error: A fault in the storage area where data is kept for processing.
• Use a diagnostic scanner to confirm the code
• Inspect the wiring and connections to the control module
• Check for software updates for the control module
• Reprogram or update the control module software
• Replace the drive motor control module if faulty
• Clear the code and test drive to verify repair
• OBD-II scanner
• Multimeter
• Diagnostic software
$300 - $1200
Moderate
• Chevrolet Volt
• Toyota Prius
• Nissan Leaf
• Regularly update vehicle software
• Perform routine maintenance checks
• Avoid excessive moisture exposure to electronic components
Control Module Error
• Have the vehicle inspected by a professional
• Avoid driving in extreme conditions until repaired
Check with manufacturer for control module warranty coverage.
This code has been associated with hybrid and electric vehicles as they rely heavily on control modules for motor operation.
Moderate – Addressing this issue promptly can prevent further complications.
Driving with this code can lead to reduced performance and safety concerns. It is advised to repair it as soon as possible.
• Vehicle in Park
• Ignition in ON position
The drive motor control module is typically located near the vehicle's electric motor or battery pack.
Q: Can I drive with a P1C33 code?
A: It's not recommended to drive for extended periods with this code active, as it may lead to reduced performance or safety issues.
Q: How can I prevent this code from appearing?
A: Regular maintenance and software updates can help prevent this issue.
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