What Does P2149 Code Mean?

OBD-II Code P2149 is defined as a Fuel Injector Group "B" Supply Voltage Circuit/Open

The engine computer (PCM) controls the signal to the fuel injectors in groups of two. If the PCM detects one or both of the fuel injectors in that group are not functioning properly, the PCM will set code P2149. The two injectors in that group will be disabled to prevent damage to additional components.

P2149 Symptoms

  • Engine may run rough

Common Problems That Trigger the P2149 Code

  • Fuel injector failure
  • Powertrain Control Module (PCM) failure
  • Wiring issue
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