PACCAR PX-6 CM2150 (2007-09) Fault Code: 2183 PID: SID 79 SPN: 1072 FMI: 4 Engine Brake Actuator Circuit #1 - Voltage Below Normal or Shorted to Low Source. Low voltage detected at the engine brake solenoid number 1 signal circuit.

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, recalibrate the ECM.

Possible causes:

1)A short circuit to ground in the engine harness, connector, or engine brake solenoids.

Possible repairs:

1)Replace the engine brake harness.
2)Replace the engine harness.
3)Replace the engine brake solenoid.
4)Replace the ECM.

PACCAR PX-6 CM2150 (2007-09) Fault Code: 2182 PID: SID 79 SPN: 1072 FMI: 3 Engine Brake Actuator Driver 1 Circuit - Voltage Above Normal or Shorted to High Source. High voltage or open circuit detected at the engine brake solenoid number 1 signal circuit.

PACCAR PX-6 CM2150 (2007-09) Fault Code: 1993 PID: SPN: 3064 FMI: 11 Aftertreatment Particulate Trap Missing - Condition Exists. The aftertreatment diesel particulate filter in the exhaust system is not present.

PACCAR PX-6 CM2150 (2007-09) Fault Code: 1981 PID: SID 324 SPN: 3926 FMI: 0 Aftertreatment Particulate Filter Differential Pressure - Data Valid but Above Normal Operational Range - Least Severe Level. The aftertreatment differential pressure has exceeded the maximum operating limits or the diesel particulate filter is plugged.

PACCAR PX-6 CM2150 (2007-09) Fault Code: 1974 PID: 101 SPN: 101 FMI: 0 Crankcase Pressure - Data Valid but Above Normal Operational Range - Least Severe Level. The crankcase breather filter requires maintenance.

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