OBD-II reference

All 9.533 generic OBD-II codes, explained in detail.

Causes, inspection steps and sources — a comprehensive DIY archive. Created and maintained with love for the detail. Good luck and have fun!

Powertrain generic / SAE

P0795

Pressure Control Solenoid C

General fault on pressure control solenoid C — third pressure regulator in transmissions with multiple independently regulated hydraulic circuits (line pressure, clutch C, torque converter clutch). The TCM detects an electrical or hydraulic anomaly that has not yet been pinned to a specific failure mode.

SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number7 / 95

Possible causes

  • Solenoid electrical or hydraulic fault high

Symptoms

  • Check engine or transmission warning light on
  • Harsh, delayed, or missing shifts
  • Possible limp mode (locked in one gear)
  • Slipping or shuddering during gear changes

Inspection / repair

  • Difficulty: hard
  • DIY: shop recommended
  • Estimated cost: 400–2500 €
  • Estimated time: 2–8 h
  • Component: pressure control solenoid c
  • Component: valve body
  • MIL / check engine light

Sources

References

How to read OBD-II codes

The first letter names the vehicle system, the second digit distinguishes generic from manufacturer-specific, the remaining digits group fault area and number.

PPowertrain: engine, transmission, emissions
BBody: chassis trim, comfort, interior
CChassis: suspension, brakes, steering
UNetwork: CAN, control modules, communication