P251E

PTO Engine Shutdown Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$6–56 (est.)

Symptoms

Inability to turn on PTO
Spontaneous PTO shutdown
Check Engine Light Is On
Engine power reduction during PTO operation

Causes

Open or short circuit in PTO circuit
Faulty PTO relay
Problems with the engine control unit
Corrosion of contacts in connectors
PTO position sensor malfunction

How to Fix

Check the integrity of the PTO circuit wiring and connectors
Test PTO relay for faults
Check the voltage at the control unit terminals
Clean contacts from corrosion
Replace PTO position sensor if necessary

Related codes

P251F P2520 P2521