Paccar

PACCAR MX (2004 Emissions) Fault Code: U17B4 Water in Fuel Drain Control – Short Circuit to Ground on ECU (D420) Pin (A37) 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: U17B5 Water in Fuel Drain Control – Current Too Low or Open Circuit on ECU (D420) Pin (A37) SET CONDITIONS:The PCI ECU detects an open circuit on pin A37. DIAGNOSTIC CONDITION:This diagnostic runs only 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 POSSIBLE CAUSES:1. Interruption of the wiring on PCI...

PACCAR MX (2004 Emissions) Fault Code: U17B6 CAN Communication – Message (TSC1_AE) Data Error from Brake System SET CONDITIONS:This DTC is set if a fault is detected in the Torque Speed Control message coming from the Adaptive Cruise Control. DIAGNOSTIC CONDITION:This diagnostic runs continuously when the ignition is on. 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 diagnostic conditions and set conditions.3. Did the DTC come back?– No, repair successful– Yes, repair unsuccessful POSSIBLE CAUSES:1. External...

PACCAR MX (2004 Emissions) Fault Code: U17B7 CAN Communication – Message (TSC1_BE) Data Error from Brake System SET CONDITIONS:This DTC is set if a fault is detected in the Torque Speed Control message coming from the Adaptive Cruise Control. DIAGNOSTIC CONDITION:This diagnostic runs continuously when the ignition is on. 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 diagnostic conditions and set conditions.3. Did the DTC come back?– No, repair successful– Yes, repair unsuccessful POSSIBLE CAUSES:1. External...

PACCAR MX (2004 Emissions) Fault Code: U17B8 CAN Communication – Message (TSC1_HCE) Data Error from Aftertreatment System SET CONDITIONS:This DTC is set if a fault is detected in the Torque Speed Control message coming from the Adaptive Cruise Control. DIAGNOSTIC CONDITION:This diagnostic runs continuously when the ignition is on. 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 diagnostic conditions and set conditions.3. Did the DTC come back?– No, repair successful– Yes, repair unsuccessful POSSIBLE CAUSES:1. External...