Winco

SPN 168 FMI 4

WarningCooling

What This Code Means

Error during a Write/Read EEPROM operation; Fuel temperature sensor defect recognition

Possible Causes

  • •Unintended datasets flashing attempt during SW upgrades in field
  • •Fuel temperature sensor electrical signal defect

Suggested Actions

  1. 1System substitutes a default value for the fuel temperature
  2. 2System substitutes a fixed value or the actual engine temperature depending on dataset configuration and sensor reliability

Related Winco Fault Codes

SPN 172 FMI 3SPN 172 FMI 4SPN 168 FMI 3SPN 174 FMI 3SPN 166 FMI 14SPN 174 FMI 4SPN 166 FMI 2SPN 4765 FMI 3OVERSPEEDSPN 4765 FMI 4GENERATOR UNDER VOLTAGEUNDERSPEED
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