OBD-II code · Powertrain (generic, extended)

P269A Exhaust Aftertreatment Fuel Injector A Circuit High

Voltage on the 7th injector control line is above the expected window. Typical causes are a short to battery or an open solenoid coil.

Is it safe to drive with P269A?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyControl wire shorted to B+
  • PossibleOpen injector coil
  • Less likelyConnector pins corroded - high contact resistance

Symptoms

  • Check engine light on
  • Misfire or rough idle on the affected cylinder
  • Increased fuel consumption
  • Possible fuel smell or smoke from exhaust

Repair at a glance

Difficulty
Medium
DIY friendly
Best left to a mechanic
Typical labour
1–4 h
Emissions test
Usually unaffected
Parts involved
Hc Dosing Injector, Injector Solenoid, Wiring Harness

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.