U0117Lost Communication With PTO Control Module
- Generic OBD-II code · Network
- How the car detects it
- U0117 points to a lost link with the power take-off (PTO) control module, which engages and governs an engine-driven output for auxiliary equipment such as a tipper body, aerial bucket or recovery winch. CARB defines such a PTO unit and lets the engine controller pause monitor counters while it runs, so dependable PTO status on the bus matters for OBD bookkeeping. Saab's 2011 9-5 and 9-4X U-code lists, both taken over from GM's global electrical architecture, carry the code as loss of the power take-off control module; neither these nor any other maker's documents give timing or lamp rules. U0465 stands for invalid PTO data, P064B for a PTO module fault. For the operator the attached equipment cannot be engaged or its engine-speed control drops out.
- What you may notice
- PTO cannot be engaged or disengages
- Elevated idle or remote engine speed control unavailable
- Warning message in the cluster
- Likely causes
- LikelyFaulty upfitter wiring or connector between chassis and PTO controller
- PossiblePTO module without power or ground
- PossibleVehicle configuration expects a PTO module that is missing or not programmed
- RarePTO control module internally faulty
- Repair
- Medium · Usually a job for a workshop.Typical cost: €60 – €1,000
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.