P251B

PTO Enable Switch Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Additional equipment (PTO) does not work
Check Engine light comes on
Diagnostic system memory error
Reduced vehicle functionality

Causes

PTO switch failure
Open or short circuit in the circuit
Poor contact in connectors
Problems with the control unit
Wiring corrosion

How to Fix

Check PTO switch for serviceability
Inspect wiring and connectors for damage
Check the voltage in the circuit
Replace PTO switch if necessary
Clean contacts from corrosion

Related codes

P251A P251C P251D