B6.7 CM2450 B155B Fault Code: 6767 | SPN: 3521 | FMI: 31Aftertreatment 1 Diesel Exhaust Fluid Property – Condition Exists

by DPFDELETE-TUNER | Mar 4, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 6767PID: SPN: 3521FMI: 11/31LAMP: NoneSRT:    The Urea Quality Sensor has been unable to generate a concentration value for a period of time.     Engine power derate. Circuit Description The DEF quality...

B6.7 CM2450 B155B Fault Code: 6771 | SPN: 521032 | FMI: 14Aftertreatment System Assembly – Special Instructions

by DPFDELETE-TUNER | Mar 4, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 6771PID: SPN: 521032FMI: 14/14LAMP: RedSRT:    Aftertreatment System Assembly – Special Instructions. The incorrect aftertreatment diesel particulate filter system has been installed with the engine  ...

B6.7 CM2450 B155B Fault Code: 6779 | SPN: 4765 | FMI: 20Aftertreatment 1 Diesel Oxidation Catalyst Intake Temperature Sensor – Data Not Rational – Drifted High

by DPFDELETE-TUNER | Mar 4, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 6779PID: SPN: 4765FMI: 2/20LAMP: NoneSRT:    An offset in the Diesel Oxidation Catalyst Intake Temperature Sensor reading has been detected.     Possible reduced engine performance. Circuit Description The...

B6.7 CM2450 B155B Fault Code: 6781 | SPN: 4765 | FMI: 21Aftertreatment 1 Diesel Oxidation Catalyst Intake Temperature Sensor – Data Not Rational – Drifted Low

by DPFDELETE-TUNER | Mar 4, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 6781PID: SPN: 4765FMI: 2/21LAMP: NoneSRT:    An offset in the Diesel Oxidation Catalyst Intake Temperature Sensor reading has been detected.     Possible reduced engine performance. Circuit Description The...

B6.7 CM2450 B155B Fault Code: 6782 | SPN: 4766 | FMI: 20Aftertreatment 1 Diesel Oxidation Catalyst Outlet Gas Temperature Sensor – Data Not Rational – Drifted High

by DPFDELETE-TUNER | Mar 4, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 6782PID:SPN: 4766FMI: 2/20LAMP: NoneSRT:   An offset in the Diesel Particulate Filter Intake Temperature Sensor reading has been detected.     Possible reduced engine performance. Circuit Description The...

B6.7 CM2450 B155B Fault Code: 6783 | SPN: 4766 | FMI: 21Aftertreatment 1 Diesel Oxidation Catalyst Outlet Gas Temperature Sensor – Data Not Rational – Drifted Low

by DPFDELETE-TUNER | Mar 4, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 6783PID: SPN: 4766FMI: 2/21LAMP: NoneSRT:    An offset in the Diesel Particulate Filter Intake Temperature Sensor reading has been detected.     Possible reduced engine performance. Circuit Description The...