Capacity of Texas, Inc.
80
3251
{3}
Aftertreatment Particulate
Filter Differential Pressure
Sensor Circuit - Voltage Above
Normal or Shorted to High
Source. High signal voltage
detected at the aftertreatment
differential pressure sensor
circuit.
Active aftertreatment diesel
particulate filter regeneration
will be disabled.
3251
{4}
Aftertreatment Particulate
Filter Differential Pressure
Sensor Circuit - Voltage Below
Normal or Shorted to Low
Source. Low signal voltage or
open circuit detected at the
aftertreatment differential
pressure sensor circuit.
Active aftertreatment diesel
particulate filter regeneration
will be disabled.
3251
{2}
Aftertreatment Particulate
Filter Differential Pressure
Sensor - Data Erratic,
Intermittent, or Incorrect. The
aftertreatment diesel
particulate filter differential
pressure sensor is reading an
erratic value at Initial key-on
or during engine operation.
Active aftertreatment diesel
particulate filter regeneration
will be disabled.
2791
{13}
EGR Valve Controller - Out of
Calibration. The EGR valve
has failed the automatic
calibration procedure at initial
key-on.
EGR valve actuation will be
disabled.
411
{18}
Exhaust Gas Re-circulation
Valve Delta Pressure - Data
Valid but Above Normal
Operational Range -
Moderately Severe Level. The
EGR differential pressure
sensor has detected low EGR
gas flow or the EGR
differential pressure reading is
not valid for engine operating
conditions.
EGR valve actuation will be
disabled.
Table 4-3 CM2150 System Fault Codes (Cont.)
Fault
Code Reason Effect
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