Fuel Additive Control Module Requested MIL Illumination

Where it lives

For P2584, the description names the module as the part involved.

Check these first

• The fuel additive control module is requesting the lamp for a fault it detected
• A low fuel additive level
• A blockage or leak in the fuel additive system
• A fault in the fuel additive system wiring

What to do next

1. Scan the fuel additive control module for its own codes
2. Check the fuel additive level
3. Inspect the fuel additive system for blockages or leaks
4. Check the fuel additive system wiring and connectors
5. Replace the fuel additive control module if the level and system test good
6. Clear the code and retest

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