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

P2806

Transmission Range Sensor Alignment

The TCM detects that the transmission range sensor mechanical alignment is outside the calibration window. Selector positions read with offset across the entire travel.

SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number8 / 06

Possible causes

  • Selector linkage shifted on the sensor shaft high
  • Sensor mounting bolts loose medium

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: 150–700 €
  • Estimated time: 0.5–3 h
  • Component: transmission range sensor
  • Component: selector linkage
  • 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