OBD Codes List

Diagnostic reference · P0205

P0205

Cylinder 5 Injector A Circuit

System
Injector circuits (P code)
Lamp
Check Engine Light
Category
Powertrain - Fuel/Air Metering

What it means

P0205 means Cylinder 5 Injector A Circuit.

Where it lives

For P0205, the injector sits on the circuit this code reports. The description of P0205 puts it on cylinder 5.

Check these first

  • A clogged or failed fuel injector on cylinder 5
  • An open or short in the cylinder 5 injector harness
  • A blown injector circuit fuse
  • A faulty ECM injector driver for cylinder 5
  • A chafed or corroded injector connector

What to do next

  1. Read the cylinder 5 injector circuit on a scan tool
  2. Inspect the cylinder 5 injector harness and connector
  3. Check the injector circuit fuse
  4. Measure the injector resistance against spec
  5. Replace the cylinder 5 injector if it fails the balance test
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.