Electronic Control System Signature, ISX and QSX15 Engines – FAULT CODE 419

Intake Manifold Pressure Sensor


Fault Code: 419
PID: P102
SPN: 1319
FMI: 2
LAMP: Yellow

An error in the intake manifold pressure sensor signal was detected by the ECM.

Engine is derated to no-air setting.

Component Location

The intake manifold pressure sensor is located in the air intake manifold toward the front of the engine.

Shop Talk

At key-on, the readings for ambient pressure from the ambient air pressure sensor, intake manifold pressure sensor, and oil pressure sensor are compared. This fault code occurs if the intake manifold pressure sensor reading is different from the other two.

Refer to Troubleshooting Fault Code t05-419.

Last Modified:  26-Oct-2010