B6.7 CM2450 B155B Fault Code: 1694 | SPN: 3226 | FMI: 2Aftertreatment 1 Outlet NOx Sensor – Data Erratic, Intermittent, or Incorrect

by DPFDELETE-TUNER | Feb 19, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 1694PID: SPN: 3226FMI: 2/2LAMP: AmberSRT:    An incorrect NOx sensor reading has been detected by the aftertreatment outlet NOx sensor.     Possible reduced engine performance. Circuit Description The...

B6.7 CM2450 B155B Fault Code: 1691 | SPN: 5298 | FMI: 18Aftertreatment 1 Diesel Oxidation Catalyst Conversion Efficiency – Data Valid But Below Normal Operating Range – Moderately Severe Level

by DPFDELETE-TUNER | Feb 19, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 1691PID: S380SPN: 5298FMI: 1/18LAMP: AmberSRT:    The temperature increase across the aftertreatment diesel oxidation catalyst is lower than expected.     May cause frequent aftertreatment regeneration....

B6.7 CM2450 B155B Fault Code: 1686 | SPN: 3364 | FMI: 3Aftertreatment 1 Diesel Exhaust Fluid Quality Sensor Circuit – Voltage Above Normal or Shorted to High Source

by DPFDELETE-TUNER | Feb 19, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 1686PID: SPN: 3364FMI: 3/3LAMP: AmberSRT:    Aftertreatment Diesel Exhaust Fluid Quality Sensor Circuit – Voltage above normal, or shorted to high source     Possible reduced engine performance....

B6.7 CM2450 B155B Fault Code: 1685 | SPN: 3364 | FMI: 4Aftertreatment 1 Diesel Exhaust Fluid Quality Sensor Circuit – Voltage Below Normal or Shorted to Low Source

by DPFDELETE-TUNER | Feb 19, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 1685PID: SPN: 3364FMI: 4/4LAMP: AmberSRT:    Aftertreatment Diesel Exhaust Fluid Quality Sensor Circuit – Voltage above normal, or shorted to high source     Possible reduced engine performance....

B6.7 CM2450 B155B Fault Code: 1684 | SPN: 3363 | FMI: 4Aftertreatment 1 Diesel Exhaust Fluid Tank Heater – Voltage Below Normal or Shorted to Low Source

by DPFDELETE-TUNER | Feb 19, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 1684PID: SPN: 3363FMI: 4/4LAMP: AmberSRT:    Low signal voltage detected at the aftertreatment diesel exhaust fluid tank heater circuit.     Possible reduced engine performance. Circuit Description The...

B6.7 CM2450 B155B Fault Code: 1683 | SPN: 3363 | FMI: 3Aftertreatment 1 Diesel Exhaust Fluid Tank Heater – Voltage Above Normal or Shorted to High Source

by DPFDELETE-TUNER | Feb 19, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 1683PID: SPN: 3363FMI: 3/3LAMP: AmberSRT:    High signal voltage detected at the aftertreatment diesel exhaust fluid tank heater circuit.     Possible reduced engine performance. Circuit Description The...