Error code

OBD2 P0286

OBD2P0286
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Cylinder 9 Injector Circuit High.

Severity

moderateCan drive but may experience poor performance and fuel inefficiency.

Summary

P0286 indicates that there is an issue with the high voltage circuit of cylinder 9's fuel injector, which could be due to wiring problems or issues within the ECM.

Common Causes

  • Wiring short to positive
  • Faulty injector
  • ECM malfunction

Fixes

  • Replace faulty wiring or ECM, repair or replace the injector.

FAQ

What does P0286 mean?

P0286 means there is a high voltage issue with cylinder 9's fuel injector circuit.

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.