B3654

Electrical Power Take Off Control Switch Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Inability to engage the power take-off mechanism
Spontaneous PTO shutdown during operation
Check Engine Light Illuminates

Causes

PTO control switch malfunction
Open or short circuit in wiring harness
Oxidation or poor contact in connectors
PTO circuit relay or fuse failure
Problems with the engine control module (ECM)

How to Fix

Check the condition of fuses and relays associated with the PTO system
Inspect the wiring harness for damage and corrosion.
Check the functionality of the PTO control switch
Scan the ECM for other related errors
If necessary, replace faulty components and clear the error

Related codes

B3655 B3656 P0500