Ignition Input Accessory

Check these first

• A fault in the ignition input accessory circuit
• A failed ignition switch accessory contact
• Low battery voltage skewing the accessory signal
• Corrosion at the ignition input accessory connector

What to do next

1. Read ignition input accessory status on a scan tool
2. Test the accessory output at the ignition switch
3. Inspect the ignition input accessory wiring and connector
4. Check battery voltage and the charging system
5. Repair the circuit or replace the ignition switch if faulty
6. Clear the code and retest

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