DTC P1224 GMC

Fuel Injector 1 Control Circuit Shorted

Fuel Injector 1 Control Circuit Shorted

Description

Engine speed is greater than 600 RPM. The charging system voltage is between 10-18 V.

Cause and Solution

The ECM injector output driver detects an incorrect current on a fuel injector circuit.The condition exists for less than 1 s.

Video Guide

Duration: PT3M59S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P1224
  • Brand: GMC
Back to Blog