DTC Guides

Cummins Fault Code 6648

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

Cummins Fault Code 6595

Engine Speed - Root Cause Not Known

Cummins Fault Code 6649

Aftertreatment 1 Diesel Particulate Filter Soot Temperature Sensor - Data Erratic, Intermittent, or Incorrect

Cummins Fault Code 6613

SCR Monitoring System Malfunction - Special Instructions

Cummins Fault Code 6651

Aftertreatment 1 Diesel Particulate Filter Soot Sensor Module - Voltage Above Normal or Shorted to High Source

Cummins Fault Code 6637

Estimated Engine Parasitic Losses - Percent Torque - Data Erratic, Intermittent, or Incorrect

Cummins Fault Code 6652

Aftertreatment 1 Diesel Particulate Filter Soot Sensor Module - Voltage Below Normal or Shorted to Low Source

Cummins Fault Code 6653

Aftertreatment 1 Diesel Particulate Filter Soot Sensor Module - Current Above Normal or Grounded Circuit

Cummins Fault Code 6656

SCR Monitoring System Malfunction - Special Instructions

Cummins Fault Code 6688

Aftertreatment 1 Particulate Sensor - Abnormal Update Rate

Cummins Fault Code 6725

Intake Manifold 1 Pressure - Data Valid But Above Normal Operating Range - Least Severe Level

Cummins Fault Code 6753

Navigation Control Module - Abnormal Update Rate