Paccar

PACCAR MX (2004 Emissions) Fault Code: U1013 CAN Communication – Message (A1DOC) Out of Range, DOC Intake Gas Temperature from Aftertreatment 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: U1014 CAN – Hardware or Software Malfunction on V-CAN1 SET CONDITIONS:The PCI ECU detects a malfunction on V-CAN1. DIAGNOSTIC CONDITION:This diagnostic runs continuously after the ignition is switched on. CORRESPONDING OBD READINESS MONITOR:None RESET CONDITION:This DTC changes to inactive after the ignition is keyed off for at least 15 seconds and keyed on again, 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 come back?– No, repair successful– Yes, repair unsuccessful POSSIBLE CAUSES:1. V-CAN1...

PACCAR MX (2004 Emissions) Fault Code: U1015 CAN – Hardware or Software Malfunction on A-CAN SET CONDITIONS:The PCI ECU detects a malfunction on A-CAN. 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 ignition is keyed off for at least 15 seconds and keyed on again, 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 come back?– No, repair successful– Yes, repair unsuccessful POSSIBLE CAUSES:1. A-CAN...

PACCAR MX (2004 Emissions) Fault Code: U1016 CAN – Message (A1DOC) Time-Out from Aftertreatment System SET CONDITIONS:This DTC is set when the repetition rate of the received CAN message is lower than expected or when the message is not received at all. 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 the DTC come back?– No,...

PACCAR MX (2004 Emissions) Fault Code: U1048 VTG Turbocharger Actuator Position – Incorrect SET CONDITIONS:The VTG turbocharger actuator (L037) detects:1. a difference between the required and actual actuator motor position of more than 8.9% for more than 35 seconds with2. An actuator effort of more than 38% with3. An actuator temperature of more than 5°C DIAGNOSTIC CONDITION:This diagnostic runs continuously when the engine is in SCR heating mode. CORRESPONDING OBD READINESS MONITOR:None RESET CONDITION:This DTC will change to inactive immediately after the diagnostic runs and passes. REPAIR VERIFICATION:1. Clear all DTCs.2. Test drive or operate the vehicle to meet the...