PTO Enable Switch Circuit High

Where it lives

For P251C, the switch sits on the circuit this code reports. The description of P251C reports a fault at the switch.

Check these first

• Short to power in the PTO enable switch wiring
• Failed PTO enable switch
• Corroded or worn PTO switch contacts
• Mismatched control module configuration for the PTO

What to do next

1. Inspect the PTO enable switch wiring for a short to power
2. Measure voltage at the PTO enable switch signal
3. Check the PTO switch contacts for wear or corrosion
4. Verify the PTO configuration matches the installed switch
5. Replace the PTO enable switch if it reads high
6. Clear the code and retest

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