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

P0183

Fuel Temperature Sensor A Circuit High Input

The fuel temperature sensor A signal exceeds the maximum threshold. Likely shorted to voltage, open ground or sensor open-circuit.

SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number1 / 83

Possible causes

  • Signal wire shorted to voltage high
  • Sensor open-circuit medium
  • Connector pins corroded - high contact resistance low

Inspection / repair

  • Difficulty: medium
  • DIY: possible
  • Estimated cost: 60–300 €
  • Estimated time: 0.5–2 h
  • Component: fuel temperature sensor a
  • Component: sensor wiring
  • MIL / check engine light
  • emissions-relevant

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