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 remembering important information. It's like when you forget where you put your toys, and you need to find them to play.
The car's control module is responsible for managing various functions and needs to store data correctly. This code indicates a problem with the memory check process.
The P1BFF code is triggered when the internal control module detects an issue with its memory check process. This could be due to corrupted data, memory failure, or a problem with the module itself.
• Check Engine Light is on
• Erratic vehicle behavior
• Difficulty starting the vehicle
• Corrupted memory data
• Faulty control module
• Software glitch
Control Module: A computer in the vehicle that manages various functions.
Memory Check: A process to ensure data stored in the module is correct and uncorrupted.
• Use an OBD-II scanner to confirm the code.
• Inspect the control module for physical damage.
• Check for any software updates or recalls.
• Reflash or update the control module software.
• Replace the control module if necessary.
• Clear the codes and test drive the vehicle.
• OBD-II scanner
• Multimeter
• Diagnostic software
$200 - $1000
Moderate
• Chevrolet Volt
• Cadillac ELR
• Buick LaCrosse
• Regularly update vehicle software.
• Avoid extreme temperature exposure.
• Perform routine vehicle diagnostics.
Control Module Issue
• Consult a professional mechanic if unsure.
• Do not ignore the Check Engine Light.
• Regularly maintain your vehicle.
Check with your vehicle manufacturer for warranty coverage on control module issues.
This code has been associated with vehicles that have complex control systems, often seen in hybrid or electric models.
Moderate – Addressing this issue promptly can prevent further complications.
Ignoring this code may lead to vehicle performance issues, which can be unsafe. Always follow manufacturer guidelines.
• Ensure the vehicle is on a level surface.
• Perform tests in a controlled environment.
The control module is typically located under the dashboard or near the engine bay.
Q: Can I drive with a P1BFF code?
A: It's possible, but not recommended as it may lead to further issues.
Q: Will disconnecting the battery fix the P1BFF code?
A: Disconnecting the battery may reset the code temporarily, but it will not fix the underlying issue.
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