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

P0792

Intermediate Shaft Speed Sensor A Circuit Range/Performance

The intermediate shaft speed sensor (between input and output, used in CVT and dual-clutch boxes for slip detection between gear elements) is electrically intact, but its readings drift away from the model. The TCM cannot reliably detect slip in this stage.

SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number7 / 92

Possible causes

  • Aged Hall element with reduced amplitude high
  • Sensor element aged beyond calibration window low
  • Sensor mounting loose - signal damping low

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: medium
  • DIY: shop recommended
  • Estimated cost: 200–800 €
  • Estimated time: 0.6–2.5 h
  • Component: intermediate shaft speed sensor a
  • 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