LOW VOLTAGE ALARM

UnclassifiedCooling

What This Code Means

Misfire under load; Rough running; Hard starting; Unstable idle; Slow crank; Failed exercise; Regen warning; Power derate; Reduced power output; Power loss; Injector fouling; Black smoke under load; Excessive exhaust smoke; Oil at turbo seals; Overtemperature fault; Coolant loss; High EGT (Exhaust Gas Temperature); Low voltage alarm; High EGT; Overcooling at light load; Extended warmup time; Back-pressure fault

Possible Causes

  • •Spark plugs / ignition failure (typically around 500 hours)
  • •Fuel pressure regulator failure (typically around 6000 hours)
  • •Battery (starting) failure (typically around 8760 hours)
  • •Spark plugs / ignition failure
  • •Fuel pressure regulator failure
  • •Battery (starting) failure
  • •Starting battery failure
  • •DPF (Diesel Particulate Filter) issues
  • •Exhaust back-pressure fault
  • •Fuel quality issues
  • •Fuel degradation
  • •Injector fouling
  • •Turbocharger failure
  • •Fuel quality / degradation
  • •Cooling system failure (hoses / thermostat)
  • •Battery failure (starting)
  • •Fuel quality degradation
  • •Faulty cooling system hoses
  • •Faulty thermostat
  • •Battery failure

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