PACCAR PX-6 CM2150 (2007-09) Fault Code: 599 PID: SID 025 SPN: 640 FMI: 14 Auxiliary Commanded Dual Output Shutdown – Special Instructions. The engine protection limit has been exceeded for the dual outputs calibrated limits.

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.

This fault code is activated when one of the OEM defined inputs has exceeded a calibratible limit. The triggers for shutdown are OEM dependent.

Possible repairs:

1)Replace the OEM harness.
2)If necessary, recalibrate the ECM.