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 that helps manage fuel has a memory problem. It's like when your computer at home has trouble remembering things it needs to work right.
The P0619 code is triggered when the vehicle's Powertrain Control Module (PCM) or Alternative Fuel Control Module detects an error in the Random Access Memory (RAM) or Read-Only Memory (ROM).
The Alternative Fuel Control Module is responsible for managing the fuel system in vehicles that use alternative fuels. This module relies on its RAM and ROM to store and retrieve data necessary for its operation. A P0619 code indicates a fault in these memory components, which can lead to improper fuel management.
• Check engine light is on
• Poor fuel economy
• Vehicle may run rough or stall
• Faulty Alternative Fuel Control Module
• Corrupted software in the module
• Electrical issues such as poor connections or damaged wiring
RAM: Random Access Memory, used for temporary data storage
ROM: Read-Only Memory, used for permanent data storage
• Use an OBD-II scanner to confirm the P0619 code
• Inspect the wiring and connections to the Alternative Fuel Control Module
• Check for any software updates for the module
• Repair or replace damaged wiring or connectors
• Reflash or update the module software
• Replace the Alternative Fuel Control Module if necessary
• OBD-II scanner
• Multimeter
• Basic hand tools
$200 - $800
Moderate
• Toyota Prius
• Chevrolet Volt
• Nissan Leaf
• Regularly update vehicle software
• Ensure all electrical connections are secure
• Avoid using incompatible fuel types
Memory Error
• Have the vehicle checked by a professional mechanic
• Do not ignore the check engine light
• Consider regular maintenance checks to prevent future issues
Check with the vehicle manufacturer for warranty coverage on control modules.
The P0619 code has been more prevalent in vehicles using alternative fuels due to the complexity of their control systems.
Moderate – While the vehicle may still operate, it could lead to increased fuel consumption and potential stalling.
Driving with a malfunctioning control module can lead to safety issues and may not comply with emissions regulations.
• Vehicle must be running
• Diagnostic tools should be connected to the OBD-II port
The Alternative Fuel Control Module is typically located near the engine or fuel system components.
Q: Can I drive with a P0619 code?
A: It's possible, but not recommended as it may lead to poor performance and increased fuel consumption.
Q: How do I reset the P0619 code?
A: After repairs, you can use an OBD-II scanner to clear the code, but ensure the issue is resolved first.
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