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

P269C

Exhaust Aftertreatment Glow Plug Control Performance

The aftertreatment glow plug control responds to commands but the resulting current draw is out of tolerance. Worn glow plug or high-resistance contact.

SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / 9C

Possible causes

  • Worn glow plug element raises resistance high
  • Corroded connector at glow plug 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: medium
  • DIY: shop recommended
  • Estimated cost: 120–700 €
  • Estimated time: 0.8–3 h
  • Component: aftertreatment glow plug
  • Component: relay
  • 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