PACCAR MX (2004 Emissions) Fault Code: U17B8 CAN Communication – Message (TSC1_HCE) Data Error from Aftertreatment System
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 interference of the CAN communication
2. Defective component
3. Software incorrect or incompatible
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