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B6.7 CM2450 B155B Fault Code: 7894 | SPN: 3246 | FMI: 10Aftertreatment 1 Diesel Particulate Filter Outlet Temperature – Abnormal Rate of Change
Overview CODE REASON EFFECT Fault Code: 7894PID: SPN: 3246FMI: 10/10LAMP: AmberSRT: The aftertreatment diesel particulate filter outlet temperature is not changing with engine operating conditions. Possible reduced engine performance....
B6.7 CM2450 B155B Fault Code: 7381 | SPN: 4374 | FMI: 20Aftertreatment Diesel Exhaust Fluid Pump 1 Motor Speed – Data Not Rational – Drifted High
verview CODE REASON EFFECT Fault Code: 7381PID: SPN: 4374FMI: 2/20LAMP: AmberSRT: The aftertreatment diesel exhaust fluid dosing unit is running erratically. Diesel exhaust fluid injection into the SCR aftertreatment system is disabled....
B6.7 CM2450 B155B Fault Code: 7325 | SPN: 4374 | FMI: 31Aftertreatment 1 Diesel Exhaust Fluid Pump Motor Speed – Condition Exists
Overview CODE REASON EFFECT Fault Code: 7325PID: SPN: 4374FMI: 11/31LAMP: NoneSRT: The aftertreatment diesel exhaust fluid dosing unit is running erratically. Diesel exhaust fluid injection into the SCR aftertreatment system is disabled....
B6.7 CM2450 B155B Fault Code: 7224 | SPN: 7332 | FMI: 18Aftertreatment Thermal Management Status – Data Valid But Below Normal Operating Range – Moderately Severe Level
Overview CODE REASON EFFECT Fault Code: 7224PID: SPN: 7332FMI: 1/18LAMP: AmberSRT: The ECM detected a failure of the engine system to achieve and/or maintain DEF dosing temperature conditions while operating in SCR Thermal Management. None...
B6.7 CM2450 B155B Fault Code: 7193 | SPN: 5749 | FMI: 18Engine Exhaust Pressure 2 – Data Valid But Below Normal Operating Range – Moderately Severe Level
Overview CODE REASON EFFECT Fault Code: 7193PID: SPN: 5749FMI: 1/18LAMP: AmberSRT: The commanded VGT position and exhaust pressure were not met. None on performance. Circuit Description The engine control module (ECM) provides a 5...
B6.7 CM2450 B155B Fault Code: 6649 | SPN: 6780 | FMI: 2Aftertreatment 1 Diesel Particulate Filter Soot Temperature Sensor – Data Erratic, Intermittent, or Incorrect
Overview CODE REASON EFFECT Fault Code: 6649PID: SPN: 6780FMI: 2/2LAMP: AmberSRT: The aftertreatment particulate matter sensor has detected a temperature that is incorrect for the conditions. Possible reduced engine performance. Circuit...
B6.7 CM2450 B155B Fault Code: 6651 | SPN: 7854 | FMI: 3Aftertreatment 1 Diesel Particulate Filter Soot Sensor Module – Voltage Above Normal or Shorted to High Source
Overview CODE REASON EFFECT Fault Code: 6651PID: SPN: 7854FMI: 3/3LAMP: AmberSRT: The aftertreatment particulate sensor has detected high supply voltage. Possible reduced engine performance. Circuit Description The aftertreatment...
B6.7 CM2450 B155B Fault Code: 6652 | SPN: 7854 | FMI: 4Aftertreatment 1 Diesel Particulate Filter Soot Sensor Module – Voltage Below Normal or Shorted to Low Source
Overview CODE REASON EFFECT Fault Code: 6652PID: SPN: 7854FMI: 4/4LAMP: AmberSRT: The aftertreatment particulate sensor has detected low supply voltage. Possible reduced engine performance. Circuit Description The aftertreatment...
B6.7 CM2450 B155B Fault Code: 6653 | SPN: 7854 | FMI: 6Aftertreatment 1 Diesel Particulate Filter Soot Sensor Module – Current Above Normal or Grounded Circuit
Overview CODE REASON EFFECT Fault Code: 6653PID: SPN: 7854FMI: 6/6LAMP: AmberSRT: The aftertreatment particulate sensor has detected high supply current. Possible reduced engine performance. Circuit Description The aftertreatment...
B6.7 CM2450 B155B Fault Code: 6688 | SPN: 5835 | FMI: 9Aftertreatment 1 Particulate Sensor – Abnormal Update Rate
Overview CODE REASON EFFECT Fault Code: 6688PID: SPN: 5835FMI: 9/9LAMP: AmberSRT: No communication or an invalid data transfer rate detected on the J1939 data link between the ECM and the aftertreatment particulate matter sensor. Possible...
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