General Motors Powertrain

413

UnclassifiedGeneral

What This Code Means

MIL turns on; Adaptive control is disabled; Closed Loop operation is disabled

Possible Causes

  • •Low feedback voltage on internal injector circuit (< 4V low-side for 10 firings) while drive circuit is off and system voltage is above 9V
  • •Open injector coil
  • •Shorted driver circuit for the second cylinder in the engine firing order

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