DTC U2101:57 [DSC HU/CM]
id040262012300
Outline
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System malfunction location |
Configuration data |
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Detection condition
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• The DSC HU/CM detects a check sum error in the internal configuration data.
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Fail-safe
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Refer to “DTC Table” and “Fail-safe Function Malfunction Contents Table”.(See DTC TABLE [DSC HU/CM (E)].)
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Possible cause
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• DSC HU/CM malfunction
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System wiring diagram
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Not applicable
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Connector diagram
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Not applicable
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Diagnostic Procedure
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Step |
Inspection |
Results |
Action |
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1
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INSPECT DSC HU/CM FOR MALFUNCTION DEPENDING ON REPEATABILITY
• Clear the DTC recorded in the memory.
(See CLEARING DTC.)
• Switch the ignition ON (engine off or on) and wait for 30 s or more.
• Perform the DTC inspection for the DSC HU/CM.
(See DTC INSPECTION.)
• Is the same Pending DTC present?
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Yes
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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.
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No
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Go to the next step.
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Repair completion verification
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VERIFY IF OTHER DTC IS DISPLAYED
• Perform the DTC inspection.
(See DTC INSPECTION.)
• Are any other DTCs displayed?
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Yes
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Repair the malfunctioning location according to the applicable DTC troubleshooting.
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No
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DTC troubleshooting completed.
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