Paccar

PACCAR MX (2004 Emissions) Fault Code: U1161 CAN – Message (A1SCRAI2) 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: U1163 CAN Communication – Message (A1SCRAI2) Out of Range, SCR Intermediate NH3 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. RESET CONDITION:The DTC changes to inactive after the diagnostic runs and passes. POSSIBLE CAUSES:1. A corrupt or empty CAN message2. A malfunction in the system from which the message originates ADDITIONAL INFORMATION:1. A ‘message out of range’...

PACCAR MX (2004 Emissions) Fault Code: U1164 CAN Communication – Message (A1SCRAI2) Out of Range, SCR Intermediate NH3 Reading Stable 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....

PACCAR MX (2004 Emissions) Fault Code: U1165 CAN – Message (AT1S) 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: U1167 CAN Communication – Message (AT1S) Out of Range, Soot Load Percent 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 the...