DTC U0323:00/U0443:00 [DYNAMIC STABILITY CONTROL (DSC)]

id0402b2860800

DTC
U0323:00/U0443:00
Abnormal message from instrument cluster
DETECTION CONDITION
•  Correct data cannot be received from instrument cluster
FAIL-SAFE FUNCTION
•  Illuminates the TCS/DSC indicator light and master warning light*1.
•  Inhibits the Hill Launch Assist (HLA) and Smart City Brake Support (SCBS)*2 controls.
*1: Vehicles with Smart City Brake Support (SCBS), Mazda Radar Cruise Control (MRCC) and/or Smart Brake Support (SBS).
*2: If equipped.
POSSIBLE CAUSE
•  Instrument cluster malfunction
SYSTEM WIRING DIAGRAM
Not applicable

Diagnostic procedure

STEP

INSPECTION

ACTION
1
PERFORM INSTRUMENT CLUSTER DTC INSPECTION
•  Switch the ignition to off.
•  Using the M-MDS, perform the DTC inspection for the instrument cluster.
•  Are any DTCs detected?
Yes
Go to applicable DTC inspection.
(See DTC TABLE [INSTRUMENT CLUSTER].)
No
Go to the next step.
2
VERIFY THAT THE SAME DTC IS NOT PRESENT
•  Clear the DTCs from the memory.
•  Are the same DTCs present?
Yes
Repeat the inspection from Step 1.
If the malfunction recurs, replace the instrument cluster, then go to the next step.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)
No
Go to the next step.
3
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)].)
No
DTC troubleshooting completed.