DTC P0942:46/P0942:49 [DYNAMIC STABILITY CONTROL (DSC)]
id0402b2893600
DTC
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P0942:46, P0942:49
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DSC unit mismatched installation
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DETECTION CONDITION
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• No match between DSC CM ID and DSC HU ID detected
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FAIL-SAFE FUNCTION
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• Illuminates the TCS/DSC indicator light and master warning light*1.
• Tire pressure monitoring system warning light illuminates after flashes.
• Inhibits the TCS, DSC, roll over mitigation (ROM), brake assist control, vehicle roll prevention function*2, hill launch assist (HLA), TPMS, smart city brake support (SCBS)*1, and secondary collision reduction (SCR) controls.
*1: Vehicles with smart city brake support (SCBS)
*2: ATX only
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POSSIBLE CAUSE
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• DSC CM ID and DSC HU ID do not match (DSC HU/CM internal malfunction)
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SYSTEM WIRING DIAGRAM
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—
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Diagnostic procedure
STEP |
INSPECTION |
ACTION |
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1
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VERIFY NO DSC HU/CM MALFUNCTION
• Clear the DTCs from the memory.
• Are the same DTCs present?
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Yes
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Replace the DSC HU/CM, then go to the next step.
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No
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Go to the next step.
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2
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VERIFY THAT NO OTHER DTCS ARE PRESENT
• Are any other DTCs output?
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Yes
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Go to the applicable DTC inspection.
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No
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DTC troubleshooting completed.
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