P1202: Injector Circuit Open / Shorted - Cylinder #2

MediumPowertrainEngine/Powertrain

What does P1202 mean?

P1202 is a diagnostic trouble code indicating "Injector Circuit Open / Shorted - Cylinder #2". This means there is an electrical break in the engine/powertrain wiring — a connector may be unplugged, a wire broken, or a component has failed internally. The ECU detected no signal where it expected one.

Symptoms you may notice

  • Check engine light (MIL) illuminated on dashboard
  • Intermittent warning lights
  • Erratic gauge readings

Common causes

  • Damaged or corroded wiring harness
  • Loose or disconnected electrical connector
  • Failed engine/powertrain sensor or actuator
  • Blown fuse in the related circuit
  • Poor ground connection

What should you do?

Schedule a diagnostic appointment at your earliest convenience. The vehicle is generally safe to drive short distances, but the underlying issue should be addressed to prevent it from worsening.

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