Paccar

PACCAR MX (2004 Emissions) Fault Code: P0198 Engine Oil Temperature – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (C16) SET CONDITIONS:This 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?– No, repair...

PACCAR MX (2004 Emissions) Fault Code: P0201 Common Rail Pump Unit 1 – Current Too Low or Open Circuit on ECU (D420) Pin (A26) or Pin (A25) DIAGNOSTIC CONDITION:This diagnostic runs continuously when the ignition is on. 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 ADDITIONAL INFORMATION:When this DTC is active:1. The engine torque is reduced.2. The engine runs in protection mode.3. The maximum rail pressure is limited to 1300 bar.

PACCAR MX (2004 Emissions) Fault Code: P0205 Common Rail Pump Unit 2 – Current Too Low or Open Circuit on ECU (D420) Pin (A27) or Pin (A28) DIAGNOSTIC CONDITION:This diagnostic runs continuously when the ignition is on. 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 ADDITIONAL INFORMATION:When this DTC is active:1. The engine torque is reduced.2. The engine runs in protection mode.3. The maximum rail pressure is limited to 1300 bar.

PACCAR MX (2004 Emissions) Fault Code: P0216 Fuel Injection Control – Malfunction Detected SET CONDITIONS:The PCI ECU (D420) detects that the fuel injection timing calculation is incorrect. DIAGNOSTIC CONDITION:This diagnostic runs continuously when the engine is running. RESET CONDITION:This DTC changes to inactive when the fault is no longer detected. POSSIBLE CAUSES:1. Incorrect fuel injection control caused by a malfunction on a high-pressure fuel system component.2. Faulty software. Reprogram ECU. ADDITIONAL INFORMATION:This DTC can become active if other fuel-system-related DTCs are active. Therefore, troubleshoot any other fuel-system-related DTCs first.

PACCAR MX (2004 Emissions) Fault Code: P0217 Engine Coolant Temperature – Data Valid but Too High, Most Severe SET CONDITIONS:The PCI ECU (D420) detects that the coolant temperature is above 114°C [237°F] for more than 10 seconds. DIAGNOSTIC CONDITION:This diagnostic runs continuously when the ignition is on. CORRESPONDING OBD READINESS MONITOR:None RESET CONDITION:1. This DTC changes to inactive when the fault is no longer detected.2. This fault cannot be cleared from the ECU memory. REPAIR VERIFICATION:1. Contact your engine field service representative for authorization to clear the warranty DTC.2. Clear all DTCs.3. Test drive or operate the vehicle to meet...