The P0618: Alternative Fuel Control Module KAM Error refers to a malfunction in the Keep Alive Memory (KAM) of the Alternative Fuel Control Module. This error can result from a faulty KAM, corrupted data, or a failing alternative fuel control module, leading to issues with data retention and alternative fuel system operation.
P0618 – Quick Overview
| Code | Information |
|---|---|
| Meaning | P0618: Alternative Fuel Control Module KAM Error |
| Is it serious? | Yes, it can affect the alternative fuel system’s operation. |
| Possible causes | – Faulty KAM – Corrupted data – Faulty alternative fuel control module |
| How to diagnose? | – Test KAM – Reprogram or replace alternative fuel control module |
P0618 Meaning
The P0618 code indicates a problem with the Keep Alive Memory (KAM) in the alternative fuel control module. KAM stores important system data that helps the control module remember learned parameters. If KAM is faulty or corrupted, the vehicle may experience problems with the alternative fuel system’s efficiency or functionality.
Step-by-step diagnostic guide
| Action | Description | Tools Needed |
|---|---|---|
| Check for Other Codes | Use an OBD-II scanner to check for additional related codes that might provide more information on the alternative fuel system. | OBD-II Scanner |
| Test the Keep Alive Memory (KAM) | Use a diagnostic tool to check the performance and integrity of the KAM in the alternative fuel control module. | Diagnostic Tool |
| Inspect Wiring and Connectors | Inspect the wiring and connectors related to the alternative fuel control module for damage, loose connections, or corrosion. | Flashlight, Multimeter |
| Reprogram the Alternative Fuel Control Module | If the KAM is faulty or the data is corrupted, attempt to reprogram the module to resolve the issue. | Diagnostic Tool, Programming Tool |
| Replace the Alternative Fuel Control Module | If reprogramming doesn’t resolve the issue, replace the alternative fuel control module to restore proper operation. | Replacement Module, Tools |
| Clear the Code and Test | After completing the repair or replacement, clear the code using an OBD-II scanner and test the vehicle to ensure the alternative fuel system is working properly. | OBD-II Scanner, Vehicle Manual |
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