Paccar

PACCAR MX (2004 Emissions) Fault Code: P1751 Malfunction Indicator Lamp (MIL) – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (B23) SET CONDITIONSThis DTC is set when the ECU detects a higher 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? (Can...

PACCAR MX (2004 Emissions) Fault Code: P1863 CAN Communication – Message (PROPB_AST) Out of Range, Maneuvering Mode From Transmission 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 the DTC...

PACCAR MX (2004 Emissions) Fault Code: P1866 Exhaust Gas Pressure Before Turbine – Data Valid but Too High SET CONDITIONS:The PCI ECU (D420) detects that the pressure before turbine is more than 9 bar. 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? (Can be pending, inactive or active)– No, repair successful– Yes, repair unsuccessful POSSIBLE CAUSES:1. Clogging...

PACCAR MX (2004 Emissions) Fault Code: P1867 Exhaust Gas Temperature After BPV – Data Valid but Too High 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? (Can be pending, inactive or active)– No, repair successful– Yes, repair unsuccessful

PACCAR MX (2004 Emissions) Fault Code: P1869 Fuel Temperature – Data Valid but Too Low 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? (Can be pending, inactive or active)– No, repair successful– Yes, repair unsuccessful