B6.7 CM2450 B155B Fault Code: 3151 | SPN: 4794 | FMI: 31Aftertreatment 1 SCR Catalyst System Missing – Condition Exists

by DPFDELETE-TUNER | Feb 19, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 3151PID: SPN: 4794FMI: 11/31LAMP: AmberSRT:    The aftertreatment SCR catalyst in the exhaust system is not present.     Possible reduced engine performance. Circuit Description The engine control module...

B6.7 CM2450 B155B Fault Code: 3148 | SPN: 4363 | FMI: 2Aftertreatment 1 SCR Outlet Temperature Sensor – Data Erratic, Intermittent, or Incorrect

by DPFDELETE-TUNER | Feb 19, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 3148PID: SPN: 4363FMI: 2/2LAMP: AmberSRT:    The selective catalytic reduction (SCR) outlet temperature sensor is not changing with engine operating conditions.     Possible reduced engine performance....

B6.7 CM2450 B155B Fault Code: 3147 | SPN: 4363 | FMI: 4Aftertreatment 1 SCR Outlet Temperature Sensor Circuit – Voltage Below Normal or Shorted to Low Source

by DPFDELETE-TUNER | Feb 19, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 3147PID: SPN: 4363FMI: 4/4LAMP: AmberSRT:    Low signal voltage detected at the SCR outlet temperature sensor circuit.     Possible reduced engine performance. Circuit Description The aftertreatment exhaust...

B6.7 CM2450 B155B Fault Code: 3146 | SPN: 4363 | FMI: 3Aftertreatment 1 SCR Outlet Temperature Sensor Circuit – Voltage Above Normal or Shorted to High Source

by DPFDELETE-TUNER | Feb 19, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 3146PID: SPN: 4363FMI: 3/3LAMP: AmberSRT:    High signal voltage detected at the SCR outlet temperature sensor circuit.     Possible reduced engine performance. Circuit Description The aftertreatment...

B6.7 CM2450 B155B Fault Code: 3144 | SPN: 4360 | FMI: 2Aftertreatment 1 SCR Intake Temperature Sensor – Data Erratic, Intermittent, or Incorrect

by DPFDELETE-TUNER | Feb 19, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 3144PID: SPN: 4360FMI: 2/2LAMP: AmberSRT:    The SCR intake temperature sensor is not changing with engine operating conditions.     Possible reduced engine performance. Circuit Description The...

B6.7 CM2450 B155B Fault Code: 3135 | SPN: 3610 | FMI: 2Aftertreatment 1 Diesel Particulate Filter Outlet Pressure – Data Erratic, Intermittent, or Incorrect

by DPFDELETE-TUNER | Feb 19, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 3135PID: SPN: 3610FMI: 2/2LAMP: AmberSRT:    The aftertreatment diesel particulate filter outlet pressure sensor is reading an erratic value.     Possible reduced engine performance. Circuit Description The...