Cummins ISB6.7 CM2150 (2007-09) Fault Code: 1676 PID: SPN: 3249 FMI: 2 Aftertreatment Exhaust Gas Temperature 2 – Data Erratic, Intermittent, or Incorrect. The aftertreatment diesel particulate filter inlet temperature sensor is not changing with engine operating conditions.
Verify the electronic control module (ECM) calibration is correct. Check the calibration revision history found on QuickServe™ Online for applicable fixes to the calibration stored in the ECM. If necessary, calibrate the ECM.
Possible causes:
1)Stuck in-range aftertreatment diesel particulate filter inlet temperature sensor
2)High resistance in the aftertreatment diesel particulate filter inlet temperature sensor signal or return wires.
Possible repairs:
1)If no short is found, replace the temperature sensor that is reading higher or lower than the other sensors.
2)Replace the aftertreatment diesel particulate filter inlet temperature sensor.
3)Replace the OEM harness.
4)Replace the aftertreatment harness.
5)Replace all interconnects.
Related products
-
-
-
-
Allison 1000 & 2000 Gen 4 Fault Codes: P1779 Engine Torque Delivered To TCM Signal
1000 & 2000 Gen 4 $50.00 -
-
-
Bendix ABS EC-30 Fault Code: SID 251 FMI 3
Bendix ABS -
Allison 1000 & 2000 Gen 4 Fault Codes: U1096 J1850 (Class 2) IPC Controller State of Health Failure
1000 & 2000 Gen 4 $50.00 -
Allison 1000 & 2000 Gen 4 Fault Codes: P0123 Pedal Position Sensor Circuit High Voltage
1000 & 2000 Gen 4 $50.00 -
-
Allison 1000 & 2000 Gen 4 Fault Codes: U1000 Class 2 Loss of Serial Data Communication
1000 & 2000 Gen 4 $50.00 -
-
Allison 1000 & 2000 Gen 4 Fault Codes: U0032 J1850 (Class 2) Serial Data Communication Link High
1000 & 2000 Gen 4 $50.00 -
-
