DTC Guides

Cummins Fault Code 6268

Aftertreatment 1 SCR Outlet Temperature Sensor - Bad Intelligent Device or Component

Cummins Fault Code 629

Turbocharger 1 Compressor Intake Pressure - Data Valid But Below Normal Operating Range - Moderately Severe Level

Cummins Fault Code 6336

Crankcase Breather Filter Heater Circuit - Voltage Above Normal or Shorted to High Source

Cummins Fault Code 6337

Crankcase Breather Filter Heater Circuit - Voltage Below Normal or Shorted to Low Source

Cummins Fault Code 6642

Aftertreatment 1 Diesel Particulate Filter 1 Soot Sensor ECU Internal Temperature 1 Circuit - Voltage Below Normal or Shorted to Low Source

Cummins Fault Code 6339

Fuel Level 1 - Abnormal Update Rate