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B6.7 CM2450 B155B Fault Code: 4144 | SPN: 5835 | FMI: 4Aftertreatment 1 Particulate Sensor Circuit – Voltage Below Normal or Shorted to Low Source
Overview CODE REASON EFFECT Fault Code: 4144PID: SPN: 5835FMI: 4/4LAMP: AmberSRT: An internal circuit error has been detected by the aftertreatment particulate matter sensor. Possible reduced engine performance. Circuit Description The...
B6.7 CM2450 B155B Fault Code: 4143 | SPN: 5835 | FMI: 3Aftertreatment 1 Particulate Sensor Circuit – Voltage Above Normal or Shorted to High Source
Overview CODE REASON EFFECT Fault Code: 4143PID: SPN: 5835FMI: 3/3LAMP: AmberSRT: An internal circuit error has been detected by the aftertreatment particulate matter sensor. Possible reduced engine performance. Circuit Description The...
B6.7 CM2450 B155B Fault Code: 3878 | SPN: 3364 | FMI: 2Aftertreatment 1 Diesel Exhaust Fluid Quality – Data Erratic, Intermittent, or Incorrect
Overview CODE REASON EFFECT Fault Code: 3878PID: SPN: 3364FMI: 2/2LAMP: AmberSRT: The diesel exhaust fluid quality sensor has reported a reading too high or low for the operating conditions. Engine power derate. Circuit Description The DEF...
B6.7 CM2450 B155B Fault Code: 3868 | SPN: 3364 | FMI: 9Aftertreatment 1 Diesel Exhaust Fluid Quality – Abnormal Update Rate
Overview CODE REASON EFFECT Fault Code: 3868PID: SPN: 3364FMI: 9/9LAMP: AmberSRT: 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: 3867 | SPN: 3364 | FMI: 18Aftertreatment Diesel Exhaust Fluid Quality – Data Valid But Below Normal Operating Range – Moderately Severe Level
Overview CODE REASON EFFECT Fault Code: 3867PID: SPN: 3364FMI: 1/18LAMP: AmberSRT: The diesel exhaust fluid (DEF) quality has been detected to be below a critical threshold. Possible reduced engine performance. Circuit Description The...
B6.7 CM2450 B155B Fault Code: 3749 | SPN: 3226 | FMI: 20Aftertreatment 1 Outlet NOx Sensor – Data Not Rational – Drifted High
Overview CODE REASON EFFECT Fault Code: 3749PID: SPN: 3226FMI: 2/20LAMP: AmberSRT: An offset in the outlet NOx sensor reading has been detected. None on performance. Circuit Description The aftertreatment outlet NOx (nitrogen oxides)...
B6.7 CM2450 B155B Fault Code: 3748 | SPN: 3216 | FMI: 20Aftertreatment 1 Intake NOx Sensor – Data Not Rational – Drifted High
Overview CODE REASON EFFECT Fault Code: 3748PID: SPN: 3216FMI: 2/20LAMP: AmberSRT: An offset in the intake NOx sensor reading has been detected. None on performance. Circuit Description The aftertreatment intake NOx (nitrogen oxides)...
B6.7 CM2450 B155B Fault Code: 3725 | SPN: 3216 | FMI: 10Aftertreatment 1 Intake NOx Sensor – Abnormal Rate of Change
Overview CODE REASON EFFECT Fault Code: 3725PID: SPN: 3216FMI: 10/10LAMP: AmberSRT: The aftertreatment intake NOx sensor reading is not valid. None on performance. Circuit Description The aftertreatment intake NOx (nitrogen oxides) sensor...
B6.7 CM2450 B155B Fault Code: 3718 | SPN: 3216 | FMI: 13Aftertreatment 1 Intake NOx – Out of Calibration
Overview CODE REASON EFFECT Fault Code: 3718PID: SPN: 3216FMI: 13/13LAMP: AmberSRT: A nominal system voltage mismatch has been detected by the aftertreatment intake NOx sensor. None on performance. Circuit Description The aftertreatment...
B6.7 CM2450 B155B Fault Code: 3717 | SPN: 3226 | FMI: 13Aftertreatment 1 Outlet NOx Sensor – Out of Calibration
Overview CODE REASON EFFECT Fault Code: 3717PID: SPN: 3226FMI: 13/13LAMP: AmberSRT: A nominal system voltage mismatch has been detected by the aftertreatment outlet NOx sensor. None on performance. Circuit Description The aftertreatment...
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