DTC 425

UnclassifiedFuel

What This Code Means

Malfunction Indicator Lamp (MIL) ON; Adaptive fuel control disabled for the remainder of the key-on cycle; Closed Loop operation disabled during an active fault

Possible Causes

  • •Injector coil open
  • •Driver circuit short
  • •Low feedback voltage on internal injector circuit while injector drive circuit is in off-state

Related General Motors Powertrain Fault Codes

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