Cummins ISB CM850 (2003-06) Fault Code: 784 PID: SPN: 1590 FMI: 2 Loss of communication with adaptive cruise control. The ECM triggers this fault when the ?heartbeat? signal from the data bus is not received.

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  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.

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  Cummins ISB6.7 CM2150 (2007-09) Fault Code: 1667 PID: SPN: 3241 FMI: 2 Aftertreatment Exhaust Gas Temperature 1 – Data Erratic, Intermittent, or Incorrect. The aftertreatment diesel oxidation catalyst inlet temperature sensor is not changing with engine operating conditions.

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  PACCAR PX-8 CM2150 (2007-09) Fault Code: 334 PID: 110 SPN: 100 FMI: 2 Engine Coolant Temperature – Data Erratic, Intermittent, or Incorrect. The engine coolant temperature reading is not changing with engine operating conditions.

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  Cummins ISB6.7 CM2150 (2007-09) Fault Code: 1942 PID: 101 SPN: 101 FMI: 2 Crankcase Pressure – Data Erratic, Intermittent, or Incorrect. The ECM has detected that the crankcase pressure signal is not changing with engine operating conditions.

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  Cummins ISB6.7 CM2150 (2007-09) Fault Code: 334 PID: 110 SPN: 100 FMI: 2 Engine Coolant Temperature – Data Erratic, Intermittent, or Incorrect. The engine coolant temperature reading is not changing with engine operating conditions.

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  PACCAR PX-6 CM2150 (2007-09) Fault Code: 287 PID: 91 SPN: 91 FMI: 2 E J1939 Multiplexed Accelerator Pedal or Lever Sensor System – Received Network Data In Error. The OEM vehicle electronic control unit (VECU) detected a fault with its accelerator pedal.

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  PACCAR PX-8 CM2150 (2007-09) Fault Code: 784 PID: SID 145 SPN: 1590 FMI: 2 Adaptive Cruise Control Mode – Data Erratic, Intermittent, or Incorrect. Loss of communication with adaptive cruise control.

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  PACCAR PX-6 CM2150 (2007-09) Fault Code: 1942 PID: 101 SPN: 101 FMI: 2 Crankcase Pressure – Data Erratic, Intermittent, or Incorrect. The ECM has detected that the crankcase pressure signal is not changing with engine operating conditions.

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  PACCAR PX-6 CM2150 (2007-09) Fault Code: 2637 PID: SPN: 3050 FMI: 11 Catalyst Face Plugged – Root Cause Not Known. The front face of the aftertreatment diesel oxidation catalyst has been detected to be plugged with soot.

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  PACCAR PX-8 CM2150 (2007-09) Fault Code: 1942 PID: 101 SPN: 101 FMI: 2 Crankcase Pressure – Data Erratic, Intermittent, or Incorrect. The ECM has detected that the crankcase pressure signal is not changing with engine operating conditions.

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  PACCAR PX-8 CM2150 (2007-09) Fault Code: 1878 PID: SPN: 3245 FMI: 2 Aftertreatment Exhaust Gas Temperature 3 – Data Erratic, Intermittent, or Incorrect. The aftertreatment diesel particulate filter outlet temperature sensor is not changing with engine operating conditions.

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  PACCAR PX-6 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.

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  PACCAR PX-8 CM2150 (2007-09) Fault Code: 2637 PID: SPN: 3050 FMI: 11 Catalyst Face Plugged – Root Cause Not Known. The front face of the aftertreatment diesel oxidation catalyst has been detected to be plugged with soot.

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  PACCAR PX-6 CM2150 (2007-09) Fault Code: 1667 PID: SPN: 3241 FMI: 2 Aftertreatment Exhaust Gas Temperature 1 – Data Erratic, Intermittent, or Incorrect. The aftertreatment diesel oxidation catalyst inlet temperature sensor is not changing with engine operating conditions.

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  Cummins ISB4.5 CM2150 Fault Code: 1117 PID: SID 251 SPN: 627 FMI: 2 Power Supply Lost With Ignition On – Data Erratic, Intermittent, or Incorrect.

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