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

P00A6

Intake Air Temperature Sensor 2 Circuit Range/Performance Bank 2

IAT sensor 2 reading on bank 2 is electrically valid but implausible — does not match other temperature sources or expected behavior.

SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number– / A6

Possible causes

  • Sensor reading drifted high
  • Sensor element aged beyond calibration window low
  • Sensor mounting loose - signal damping low

Inspection / repair

  • Difficulty: easy
  • DIY: possible
  • Estimated cost: 40–250 €
  • Estimated time: 0.3–1.5 h
  • Component: iat sensor 2
  • MIL / check engine light
  • emissions-relevant
  • drive cycle required

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