PACCAR PX-6 CM2150 (2007-09) Fault Code: 115 PID: 190 SPN: 612 FMI: 2 Engine Magnetic Speed/Position Lost Both of Two Signals - Data Erratic, Intermittent, or Incorrect. The engine control module (ECM) has detected that the primary and backup speed sensor signals are connected backwards.

Verify the ECM calibration is correct. Check the calibration revision history found on QuickServe® Online for applicable fixes to the calibration stored in the ECM.

This fault code indicates that the camshaft position sensor and crankshaft position sensor wiring harness connectors are reversed.

Possible repairs:

1)If necessary, calibrate the ECM.
2)Replace the ECM.

PACCAR PX-6 CM2150 (2007-09) Fault Code: 111 PID: SID 254 SPN: 629 FMI: 12 Electronic Control Module Critical Internal Failure - Bad Intelligent Device or Component. Error internal to the electronic control module (ECM) related to memory hardware failures or internal ECM voltage supply circuits.

PACCAR PX-8 CM2150 (2007-09) Fault Code: 111 PID: SID 254 SPN: 629 FMI: 12 Electronic Control Module Critical Internal Failure - Bad Intelligent Device or Component. Error internal to the electronic control module (ECM) related to memory hardware failures or internal ECM voltage supply circuits.

PACCAR PX-8 CM2150 (2007-09) Fault Code: 3616 PID: SPN: 2633 FMI: VGT Actuator Position - Special Instructions.

PACCAR PX-8 CM2150 (2007-09) Fault Code: 2973 PID: 102 SPN: 102 FMI: 2 Intake Manifold 1 Pressure - Data Erratic, Intermittent, or Incorrect. The ECM has detected an intake manifold pressure signal that is too high or low for present engine operating conditions.

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