563

UnclassifiedGeneral

What This Code Means

MIL (Malfunction Indicator Lamp) ON during active fault; Adaptive learn disabled

Possible Causes

  • Battery voltage exceeds 33V for 3 seconds while the engine is running or cranking
  • Faulty ECM
  • Faulty battery
  • Faulty charging system
  • Intermittent fault

Suggested Actions

  1. 1Check battery voltage in DST
  2. 2Key ON, Engine On, System Mode = 'Running', Operate engine at Idle
  3. 3Key Off, disconnect wire harness header from ECM, and using a DMM measure the voltage potential across battery (+) and (-)
  4. 4Perform On-Board (OBD) System Check
  5. 5Using a DVM measure the voltage potential across battery (+) and (-)

Related Power Solutions International, Inc. Fault Codes

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