PTO Enable Switch Circuit Low

Where it lives

For P251B, the circuit described runs through the switch. The description of P251B reports a fault at the switch.

Check these first

• A PTO enable switch wire shorted to ground
• A failed PTO enable switch
• Water damage at the switch connector
• A failed PTO switch that reads low

What to do next

1. Read the PTO enable switch status on a scan tool
2. Test the PTO enable switch wire for a short to ground
3. Inspect the switch connector for water damage
4. Check the PTO enable switch operation
5. Replace the PTO enable switch if the circuit tests good
6. Clear the code and retest

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