69-3 105 4

UnclassifiedCooling

What This Code Means

Defect recognized in air temperature sensor upstream engine Inlet Valve; Coolant temperature voltage below low source; Coolant temperature voltage shorted to low source; High engine temperature pre-warning; High engine temperature warning; Software reset; Failure only visible for manufacturer specific testers

Possible Causes

  • Faulty electrical signal of the air temperature sensor upstream engine Inlet Valve
  • Coolant temperature sensor electrical signal range check failure
  • Engine temperature > 101,96°C
  • Engine temperature > 105,96°C
  • Internal software failure

Suggested Actions

  1. 1A substitute value is taken

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