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

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Diagnostic procedure

STEP	INSPECTION		ACTION
1	VERIFY NO DSC HU/CM MALFUNCTION • Clear the DTCs from the memory. (See ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)].) • Are the same DTCs present?	Yes	Replace the DSC HU/CM, then go to the next step. (See DSC HU/CM REMOVAL/INSTALLATION.)
1		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. (See ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)].)
2		No	DTC troubleshooting completed.

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		—