Paccar

PACCAR MX (2004 Emissions) Fault Code: P0A1F PCI ECU Power Supply – Data Valid but Too Low SET CONDITIONS:The PCI ECU (D420) detects that the power supply is less than 10 V. DIAGNOSTIC CONDITION:This diagnostic runs continuously after starting and running the engine. 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 POSSIBLE CAUSES:1. Alternator malfunctioning2. PCI ECU power supply ADDITIONAL INFORMATION:For...

PACCAR MX (2004 Emissions) Fault Code: P101C BPV Position – Incorrect CORRESPONDING OBD READINESS MONITOR:None 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

PACCAR MX (2004 Emissions) Fault Code: P101D BPV Position – Incorrect CORRESPONDING OBD READINESS MONITOR:None 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

PACCAR MX (2004 Emissions) Fault Code: P101E BPV Actuator Position – Unable to Reach Target SET CONDITIONS:The BPV valve (L096) detects a difference between the actual shaft position and the required shaft position for greater than 5 seconds. DIAGNOSTIC CONDITION:This diagnostic runs continuously when the ignition is 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...

PACCAR MX (2004 Emissions) Fault Code: P101F BPV Actuator Current – Data Valid but Too High SET CONDITIONS:The BPV valve (L096) detects that the measured actuator current is greater than a temperature-dependent value for more than 6 seconds. DIAGNOSTIC CONDITION:This diagnostic runs continuously when the ignition is on. CORRESPONDING OBD READINESS MONITOR:None RESET CONDITION:This DTC changes to inactive as soon as the error 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. Sticking...