P064B

Symptoms

• Check Engine light comes on
• COM does not turn on or is unstable
• Errors when trying to activate attachments
• PTO system warnings on the instrument panel
• Possible U codes (communication errors)

Causes

• Internal malfunction of the PTO control module
• Loss of communication between the ECU and the PTO module (CAN bus)
• Power supply or ground failure of the PTO module
• Damage to PTO circuit wiring
• Mechanical failure of the PTO itself

How to Fix

1. Check the power and ground of the PTO control module
2. Check the CAN bus communication between the ECU and the PTO module
3. Inspect the connectors and wiring of the PTO module
4. Try resetting the code and checking if it is a one-time thing
5. Diagnostics of the PTO module using specialized equipment
6. If necessary, replace the PTO module

Related codes

Error P064B by Vehicle Brand