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DTC C1034:48 [DSC HU/CM]

DTC C1034:48 [DSC HU/CM]


 id040262006400


Outline

System malfunction location

DSC HU/CM (internal malfunction)

Detection condition
•  The DSC HU/CM rejects the electric parking brake control request for reasons of safety.
Fail-safe
Refer to “DTC Table” and “Fail-safe Function Malfunction Contents Table”.(See DTC TABLE [DSC HU/CM (E)].)
Possible cause
•  DSC HU/CM internal malfunction
System wiring diagram
Not applicable
Connector diagram
Not applicable


Diagnostic Procedure

Step

Inspection

Results

Action

1
INSPECT DSC HU/CM FOR MALFUNCTION DEPENDING ON REPEATABILITY
•  Clear the DTC recorded in the memory.
•  Perform the DTC inspection for the DSC HU/CM.
•  Is the same Pending DTC present?
Yes
Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
If the CAN communication is normal, replace the DSC HU/CM and perform the repair completion verification.
No
System is normal. (Explain to the customer that a DTC was displayed because the electric parking brake switch was operated while driving.)
Perform the repair completion verification.
Repair completion verification
VERIFY IF OTHER DTCs DISPLAYED
•  Perform the DTC inspection.
•  Are any DTCs displayed?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
No
DTC troubleshooting completed.