P0817
Starter Disable Circuit/Open
What it means
P0817 means Starter Disable Circuit/Open.
Check these first
- An open in the starter disable circuit
- A failed starter disable relay
- A blown starter disable fuse
- A faulty ignition switch
- A faulty neutral safety switch
What to do next
- Read the starter disable circuit state on a scan tool
- Test the starter disable circuit for an open
- Check the starter disable relay and fuse
- Check the ignition and neutral safety switches
- Replace the relay if the circuit tests good
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.