Hino U0038 Fault Code
Technical description
Vehicle communication bus B (Diagnosis CAN line) is connected to diagnosis connector for the diagnostic tool.
Description of malfunction
Interruption in CAN communication is detected.
DTC set condition
DTC Detection Condition:
Starter switch ON.
Judgment Criteria:
DCU cannot receive all massage from CAN B (Diagnosis CAN line).
Reset condition
After having restored to the normal conditions.
Pre-inspection work
Check that the battery voltage is in the normal range.
After-inspection work
− Clear all past DTCs.
− Check that no DTC is detected after test drive.
Possible causes
Disconnection of CAN line.
Inspection procedure
Troubleshooting steps
Refer to the Diagnosis CAN Communication Line in the J08E CAN communication diagnostic information.
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