Generator Position Exceeding Learn Limit

Check these first

• A generator position that drifts past its learned limits
• A worn resolver or position sensor on the generator
• A loose generator coupling or mount allowing movement
• A rotor or stator fault that shifts the position signal

What to do next

1. Read the generator position on a scan tool and compare to the learned limit
2. Check the resolver and its wiring
3. Inspect the generator coupling and mounts for looseness
4. Run the generator position relearn procedure
5. Service the generator if it will not learn within limits
6. Clear the code and retest

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