Paccar

PACCAR MX (2004 Emissions) Fault Code: P0046 VGT Turbocharger Actuator – Position Error or Internal Error SET CONDITIONS:The VTG turbocharger actuator (L037) detects that:1. The actuator reference point is not detected or2. The end stops are out of range or3. An internal actuator failure is present. DIAGNOSTIC CONDITION:This diagnostic runs continuously when the ignition is on. CORRESPONDING OBD READINESS MONITOR:None RESET CONDITION:This DTC will change to inactive after the ignition is keyed off and on again and the diagnostic runs and passes. REPAIR VERIFICATION:1. Clear all DTCs.2. Test drive or operate the vehicle to meet the diagnostic conditions and set...

PACCAR MX (2004 Emissions) Fault Code: P0049 Turbo Speed – Higher Than Overspeed Limit SET CONDITIONS:The PCI ECU (D420) detects that the turbo speed is above 115,000 rpm for more than 3 seconds. DIAGNOSTIC CONDITION:This diagnostic runs continuously when the engine is running. CORRESPONDING OBD READINESS MONITOR:None RESET CONDITION:This DTC changes to inactive when the fault is no longer detected. REPAIR VERIFICATION:1. Clear all DTCs.2. Test drive or operate the vehicle to meet the diagnostic conditions and set conditions.3. Did the DTC come back?– No, repair successful– Yes, repair unsuccessful ADDITIONAL INFORMATION:IMPORTANT: Do not troubleshoot this DTC when other VTG...

PACCAR MX (2004 Emissions) Fault Code: P0069 Inlet Air Pressure in Inlet Manifold – Data erratic, Intermittent or Incorrect, at Ignition On SET CONDITIONS:The PCI ECU (D420) detects that the measured boost pressure differs more than 0.17 bar [2.5 PSI] from the average of other engine pressure sensor readings for more than five seconds. DIAGNOSTIC CONDITION:This diagnostic runs:1. When the ignition is keyed on (NO engine start) and2. Ambient temperature is more than -20°C [-4°F] CORRESPONDING OBD READINESS MONITOR:None RESET CONDITION:This DTC changes to inactive when the fault is no longer detected. REPAIR VERIFICATION:1. Clear all DTCs.2. Test drive or...

PACCAR MX (2004 Emissions) Fault Code: P006B Exhaust Gas Pressure After BPV – Data Erratic, Intermittent or Incorrect, at Ignition On SET CONDITIONS:The PCI ECU (D420) detects that the measured pressure after BPV differs more than 0.07 bar [1 PSI] from the average of other engine pressure sensor readings for more than five seconds. DIAGNOSTIC CONDITION:This diagnostic runs:1. When the ignition is keyed on (NO engine start), and2. Ambient temperature is more than -20°C [-4°F] CORRESPONDING OBD READINESS MONITOR:None RESET CONDITION:This DTC changes to inactive when the fault is no longer detected. REPAIR VERIFICATION:1. Clear all DTCs.2. Test drive or...

PACCAR MX (2004 Emissions) Fault Code: P006C Inlet Air Pressure Before Compressor – Data Erratic, Intermittent or Incorrect, at Ignition On SET CONDITIONS:The PCI ECU (D420) detects that the measured pressure reading of the humidity sensor differs more than 0.06 bar [0.9 PSI] from the average of other engine pressure sensor readings for more than five seconds. DIAGNOSTIC CONDITION:This diagnostic runs:1. When the ignition is keyed on (NO engine start), and2. Ambient temperature is more than -20°C [-4°F] CORRESPONDING OBD READINESS MONITOR:None RESET CONDITION:To validate the repair, key on the ignition (NO engine start) and wait for 10 seconds to...