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

P263F

Glow Plug Control Module 2 Over Temperature

The second glow plug control module reports over-temperature. Sustained current draw or insufficient cooling has driven the module above its rated temperature.

SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / 3F

Possible causes

  • One glow plug shorted to ground forces module overcurrent high
  • Cooling air channel blocked by debris medium

Symptoms

  • Glow plug warning light on (often orange coil symbol)
  • Hard cold start or no start in cold weather
  • White smoke from exhaust during warm-up

Inspection / repair

  • Difficulty: hard
  • DIY: shop recommended
  • Estimated cost: 300–1800 €
  • Estimated time: 1.5–4.5 h
  • Component: glow plug module 2
  • Component: glow plugs
  • 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