Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 1678 (Multiplexed) PID: SPN: 3031 FMI: 3 Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature Sensor- Voltage Above Normal or Shorted to High Source
Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 1679 (HW) PID: SPN: 3031 FMI: 2 Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature- Data Erratic, Intermittent, or Incorrect
Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 1679 (Multiplexed) PID: SPN: 3031 FMI: 2 Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature- Data Erratic, Intermittent, or Incorrect
Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 1682 PID: SPN: 3362 FMI: 31 Aftertreatment 1 Diesel Exhaust Fluid Dosing Unit Input Lines- Condition Exists
Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 1683 PID: SPN: 3363 FMI: 3 Aftertreatment Diesel Exhaust Fluid Tank Heater- Voltage Above Normal or Shorted to High Source
Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 1684 PID: SPN: 3363 FMI: 4 Aftertreatment Diesel Exhaust Fluid Tank Heater- Voltage Below Normal or Shorted to Low Source
Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 1685 PID: SPN: 3364 FMI: 4 Aftertreatment Diesel Exhaust Fluid Quality Sensor Circuit- Voltage Below Normal or Shorted to Low Source
Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 1686 PID: SPN: 3364 FMI: 3 Aftertreatment Diesel Exhaust Fluid Quality Sensor Circuit- Voltage Above Normal or Shorted to High Source
Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 1691 PID: SID 380 SPN: 5298 FMI: 18 Aftertreatment Diesel Oxidation Catalyst Conversion Efficiency- Data Valid But Below Normal Operating Range- Moderately Severe Level
Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 1694 PID: PID 2201 SPN: 3226 FMI: 2 Aftertreatment 1 Outlet Nox Sensor- Data Erratic, Intermittent, or Incorrect