The P0619: Alternative Fuel Control Module RAM/ROM Error refers to an issue with the Random Access Memory (RAM) or Read Only Memory (ROM) in the alternative fuel control module. This error could result from faulty RAM/ROM, corrupted memory, or a malfunctioning alternative fuel control module, affecting the vehicle’s alternative fuel system performance.
P0619 – Quick Overview
| Code | Information |
|---|---|
| Meaning | P0619: Alternative Fuel Control Module RAM/ROM Error |
| Is it serious? | Yes, it can affect the alternative fuel system’s functionality. |
| Possible causes | – Faulty RAM/ROM – Corrupted memory – Faulty alternative fuel control module |
| How to diagnose? | – Test RAM/ROM – Reprogram or replace alternative fuel control module |
P0619 Meaning
The P0619 code indicates that there is a fault in the RAM or ROM of the alternative fuel control module. These memory components store and manage critical data for the operation of the alternative fuel system. If either of these components is faulty or the data becomes corrupted, the control module may not function properly, potentially disrupting the alternative fuel system’s performance.
Step-by-step diagnostic guide
| Action | Description | Tools Needed |
|---|---|---|
| Check for Other Codes | Use an OBD-II scanner to check for additional codes that may provide more details about the RAM/ROM error. | OBD-II Scanner |
| Test the RAM/ROM in the Control Module | Use a diagnostic tool to test the integrity of the RAM and ROM in the alternative fuel control module for errors or data corruption. | Diagnostic Tool |
| Inspect Wiring and Connectors | Inspect the wiring and connectors linked to the alternative fuel control module for signs of damage, loose connections, or corrosion. | Flashlight, Multimeter |
| Reprogram the Alternative Fuel Control Module | If the RAM/ROM error is related to corrupted memory, attempt to reprogram the module to restore proper functionality. | Diagnostic Tool, Programming Tool |
| Replace the Alternative Fuel Control Module | If reprogramming fails, replace the alternative fuel control module to resolve the issue. | Replacement Module, Tools |
| Clear the Code and Test | After repairs, clear the code using an OBD-II scanner and test the vehicle to ensure the alternative fuel system is functioning correctly. | OBD-II Scanner, Vehicle Manual |
OBD-II scanner Buyer’s Guide
- Scanner features explained
- Different types of scanners
- Scanners for coding/odometer/ECU/checks
- Best picks + discount codes
I test OBD-II scanners and make DIY Engine diagnostics guides to help you solve your car problems without having to depend on the mechanic. A lot of them will try to scam you or are just no help at all. About Juraj Lukacko