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PACCAR PX-8 CM2150 (2007-09) Fault Code: 598 PID: 167 SPN: 167 FMI: 1 Electrical Charging System Voltage – Data Valid But Below Normal Operating Range – Most Severe Level. Very low battery voltage detected by the battery voltage monitor feature.
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. Use the corresponding service manual for the engine bening serviced.
This fault code is part of the Alternator Failure Warning feature. The ECM can increase idle speed and deactivate the idle decrement switch if Idle Speedup is enabled. View the Alternator Failure Warning feature settings with INSITE™ electronic service tool. Disabling the Alternator Failure Warning feature will also disable this fault code.
Make sure the ECM battery supply (+) is coming directly from the battery and not the starter.
Possible causes:
1)Undercharged batteries caused by a malfunctioning alternator or regulator.
Possible repairs:
1)Tighten the battery connections and clean the battery terminals.
2)Charge or replace the battery.
3)Repair or replace the alternator and/or OEM wiring to the alternator.
4)Repair the battery power connector.
5)Repair or replace the OEM harness.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 597 PID: 167 SPN: 167 FMI: 1 Electrical Charging System Voltage – Data Valid But Below Normal Operating Range – Moderately Severe Level. Low battery voltage detected by the battery voltage monitor feature.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 596 PID: 167 SPN: 167 FMI: 0 Electrical Charging System Voltage – Data Valid But Above Normal Operating Range – Moderately Severe Level. High battery voltage detected by the battery voltage monitor feature.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 585 PID: SID 039 SPN: 677 FMI: 4 Starter Relay Driver Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at starter lockout circuit.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 584 PID: SID 39 SPN: 677 FMI: 3 Starter Relay Driver Circuit – Voltage Above Normal or Shorted to High Source. Open circuit or high voltage detected at starter lockout circuit.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 559 (ISC/ISL) PID: 157 SPN: 157 FMI: 18 Injector Metering Rail 1 Pressure – Data Valid But Below Normal Operating Range – Moderately Severe Level. The engine control module (ECM) has detected that fuel pressure is lower than commanded pressure.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 559 (ISB/QSB3.3) PID: 157 SPN: 157 FMI: 18 Injector Metering Rail 1 Pressure – Data Valid but Below Normal Operational Range – Moderately Severe Level. The ECM has detected that the fuel pressure is lower than commanded pressure.