General Motors Powertrain

DTC 424

UnclassifiedGeneral

What This Code Means

MIL-On during active fault (remains lit for 5 seconds after fault clears)

Possible Causes

  • •Injector coil shorted
  • •Injector low-side voltage/internal driver sense voltage over 4 volts for 10 injector firings while battery voltage at ECM is under 16 volts

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