Ignition Output Accessory/On/Start

Check these first

• A fault in the ignition output accessory on start circuit
• A failed module that drives the ignition output
• A short or open in the ignition output wiring
• A failed component that ignores the ignition output

What to do next

1. Read ignition output accessory on start status on a scan tool
2. Test the ignition output wire for open and short faults
3. Check the module output at the ignition output pin
4. Verify the affected component responds to the output
5. Repair the circuit or replace the module if the output stays wrong
6. Clear the code and retest

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