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PACCAR MX (2004 Emissions) Fault Code: U1892 CAN – Message (PROPB_SCD_1) Time-Out from Predictive Cruise Control

PACCAR MX (2004 Emissions) Fault Code: U1892 CAN – Message (PROPB_SCD_1) Time-Out from Predictive Cruise Control

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, repair successful
– Yes, repair unsuccessful

POSSIBLE CAUSES:
1. Wiring issues (interruption or contact resistance)
2. Defective components
3. Incorrect software configuration

PACCAR MX (2004 Emissions) Fault Code: U1891 CAN Communication – Message (EBC1) Data Not Correct of Available, Anti-Lock Brake System Active from Brake System
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PACCAR MX (2004 Emissions) Fault Code: U1880 CAN Communication – Message (VDC2) Out of Range, Longitudinal Acceleration from Brake System
PACCAR MX (2004 Emissions) Fault Code: U1879 CAN Communication – Message (A1SCREGT) Out of Range, Exhaust Gas Temperature before SCR Catalyst from Aftertreatment System
PACCAR MX (2004 Emissions) Fault Code: U1878 CAN Communication – Message (VEP4) Out of Range, Power Electronics Carrier Remaining Charge from Vehicle Control System
PACCAR MX (2004 Emissions) Fault Code: U1877 CAN Communication – Message (AIR1) Out of Range, Air Pressure Circuit 2 from Air Supply System