Paccar

PACCAR MX (2004 Emissions) Fault Code: P2459 CAN Communication – Message (CM1) Out of Range, DPF Regeneration Switch From Vehicle Control System SET CONDITIONS:This DTC is set when a CAN message is received correctly, but the content (signal value or status) is out of the expected range. DIAGNOSTIC CONDITION:The diagnostic runs continuously when the ignition is keyed on or when the engine is running. CORRESPONDING OBD READINESS MONITOR:None RESET CONDITION:The DTC changes to inactive after 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 conditions.3. Did...

PACCAR MX (2004 Emissions) Fault Code: P2507 Engine Off Time – Data Erratic, Intermittent or Incorrect SET CONDITIONS:The PCI ECU detects that the power-off duration is unlikely. DIAGNOSTIC CONDITION:This diagnostic runs when:1. The ignition is switched on and2. The temperature after BPV was more than 227°C [461°F] at the previous ignition switch off event CORRESPONDING OBD READINESS MONITOR:None RESET CONDITION:This DTC changes to inactive next time the ignition is keyed on and 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...

PACCAR MX (2004 Emissions) Fault Code: P2507 Engine Off Time – Data Erratic, Intermittent or Incorrect SET CONDITIONS:The PCI ECU detects that the power-off duration is unlikely. DIAGNOSTIC CONDITION:This diagnostic runs when the ignition is switched on, and the temperature after BPV was more than 227°C [461°F] at the previous ignition switch off event. CORRESPONDING OBD READINESS MONITOR:None RESET CONDITION:This DTC changes to inactive next time the ignition is keyed on and 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...

PACCAR MX (2004 Emissions) Fault Code: P250B Engine Oil Level – Data Erratic, Intermittent or Incorrect, at Ignition On SET CONDITIONS:The PCI ECU (D420) detects that the oil level startup is not possible. DIAGNOSTIC CONDITION:This diagnosis runs continuously when the ignition is keyed ON. CORRESPONDING OBD READINESS MONITOR:None RESET CONDITION:This DTC changes to INACTIVE after the diagnosis runs and passes. 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 POSSIBLE CAUSES:No repairs are necessary. ADDITIONAL INFORMATION:Do not troubleshoot this...

PACCAR MX (2004 Emissions) Fault Code: P250C Engine Oil Level – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (B35) SET CONDITIONS:This DTC is set when the ECU detects a lower voltage than expected on the signal or control circuit of the ECU. DIAGNOSTIC CONDITION:The diagnostic runs continuously when the ignition is keyed on. CORRESPONDING OBD READINESS MONITOR:None RESET CONDITION:The DTC changes to inactive after 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 conditions.3. Did the DTC come back?– No, repair...