PACCAR PX-8 CM2150 (2007-09) Fault Code: 2349 PID: SID 146 SPN: 2791 FMI: 5 EGR Valve Control Circuit – Current Below Normal or Open Circuit. Motor terminal or motor coil open circuit has been detected by the ECM.
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)EGR motor circuit open circuit
2)Open circuit in the wiring harness
3)Fuel Injector wiring harness shorted to ground, open circuit, or shorted to power supply.
Possible repairs:
1)Replace the EGR valve.
2)Repair or replace the engine harness.
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