PTO Speed Selector Sensor/Switch 2 Circuit/Open
The second PTO speed-selector switch input is open. Switch 2 typically encodes a binary or multi-bit code together with switch 1 — together they select one of several preset PTO speeds. With switch 2 broken, only the half of the bit pattern is available, so several presets cannot be reached.
Affected components
- Pto speed selector 2
- Wiring harness
Common causes
- High likelihood: Open wire or unplugged switch
- Low likelihood: Pin pushed back out of connector body
- Low likelihood: Cracked solder joint inside the module or sensor
Diagnostic notes
- The malfunction indicator lamp may illuminate
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.