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P0619 OBD2: Alternative Fuel Control Module RAM/ROM Error

P0619 OBD2: Alternative Fuel Control Module RAM/ROM Error

The P0619 code is an OBD-II diagnostic trouble code that indicates an error with the Alternative Fuel Control Module’s RAM/ROM. This error typically means that the module has detected an issue during its self-diagnostic checks, affecting the engine’s fuel supply and delivery.

What Does the P0619 Code Mean?

The P0619 code signifies that the Alternative Fuel Control Module has encountered a RAM/ROM error during its routine self-diagnosis. This can prevent the engine from starting and affect overall performance.

What Causes the P0619 Code?

Several factors can trigger the P0619 code, including:

  • Failure of the alternative fuel control module
  • Wiring issues, such as shorts or breaks in the wiring harness

What Are the Symptoms of the P0619 Code?

The most common symptom associated with the P0619 code is:

  • Engine may not start

Additionally, you may experience poor engine performance if the vehicle does start.

How Serious Is the P0619 Code?

The P0619 code is classified as urgent, meaning immediate action is necessary. Ignoring this code can lead to severe damage to the vehicle or pose safety risks to the driver and passengers.

How to Diagnose the P0619 Code

To diagnose the P0619 code, a mechanic should:

  • Use an OBD-II scanner to confirm the presence of the P0619 code
  • Inspect the wiring and connections to the Alternative Fuel Control Module for damage
  • Test the module itself for proper functionality

Common Repairs for the P0619 Code

Common repairs to address the P0619 code include:

  • Replacing the alternative fuel control module
  • Repairing or replacing damaged wiring or connectors

How Much Does It Cost to Fix the P0619 Code?

The cost to fix the P0619 code can vary widely depending on the specific issue. Replacement of the alternative fuel control module may cost between $500 and $1500, including parts and labor. Wiring repairs can range from $100 to $400, depending on the extent of the damage.

Can I Fix the P0619 Code Myself?

While some aspects of the P0619 code diagnosis and repair can be done by a knowledgeable DIYer, it is recommended to consult a professional mechanic for proper diagnosis and repair, particularly for module replacement.

About JC Landry

JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of TheMechanicDoctor.com, only to name a few. He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.

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