DTC P0942:46/P0942:49 [DYNAMIC STABILITY CONTROL (DSC)]


id0402b2893600

DTC
P0942:46, P0942:49
DSC unit mismatched installation
DETECTION CONDITION
•  No match between DSC CM ID and DSC HU ID detected
FAIL-SAFE FUNCTION
•  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
POSSIBLE CAUSE
•  DSC CM ID and DSC HU ID do not match (DSC HU/CM internal malfunction)
SYSTEM WIRING DIAGRAM

Diagnostic procedure

STEP

INSPECTION

ACTION

1
VERIFY NO DSC HU/CM MALFUNCTION
•  Clear the DTCs from the memory.
•  Are the same DTCs present?
Yes
Replace the DSC HU/CM, then go to the next step.
No
Go to the next step.
2
VERIFY THAT NO OTHER DTCS ARE PRESENT
•  Are any other DTCs output?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.