U0117: Lost Communication With PTO Control Module

MediumNetwork/CommunicationCommunication Bus

What does U0117 mean?

U0117 is a diagnostic trouble code indicating "Lost Communication With PTO Control Module". The vehicle's main computer has lost its ability to communicate with a specific module over the data bus. This could be caused by a wiring fault, a blown fuse, or a failed control module.

Symptoms you may notice

  • Check engine light (MIL) illuminated on dashboard
  • Possible issues with communication bus operation
  • Vehicle may enter reduced power mode (limp mode)

Estimated repair cost

Typical range in Australia (parts + labour)

$200 – $1500 AUD

Common causes

  • Failed control module
  • CAN bus wiring fault or short
  • Blown fuse to the affected module
  • Water intrusion in a connector or module
  • Battery voltage too low

What should you do?

This code sits in an engine peripheral, typically emissions or forced induction. It will not take braking or steering away, but it can put the car into limp mode, cost you fuel and fail a roadworthy. Book it in rather than clearing it and hoping.

Get a diagnosis for YOUR car

Code U0117 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.

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Related codes

U0116Lost Communication With Coolant Temperature Control Module
U0118Lost Communication With Fuel Additive Control Module
U0115Lost Communication With ECM/PCM B
U0119Lost Communication With Fuel Cell Control Module