DTC U0452:86 [DYNAMIC STABILITY CONTROL (DSC)]

id0402b2893000

DTC
U0452:86
Abnormal message from SAS control module
DETECTION CONDITION
•  Correct data cannot be received from SAS control module
FAIL-SAFE FUNCTION
Refer to “DTC Table” and “Fail-safe function table”. (See DTC TABLE [DYNAMIC STABILITY CONTROL (DSC)].)
POSSIBLE CAUSE
•  SAS control module malfunction
SYSTEM WIRING DIAGRAM
Not applicable

Diagnostic procedure

STEP

INSPECTION

ACTION
1
INSPECT FOR SAS CONTROL MODULE MALFUNCTION
•  Switch the ignition to off.
•  Using the M-MDS, perform the DTC inspection for the SAS control module.
•  Are any DTCs detected?
Yes
Go to applicable DTC inspection.
(See DTC TABLE [SAS CONTROL MODULE (STANDARD DEPLOYMENT CONTROL SYSTEM)].)
(See DTC TABLE [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)].)
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 SAS control module, then go to the next step.
(See SAS CONTROL MODULE REMOVAL/INSTALLATION [STANDARD DEPLOYMENT CONTROL SYSTEM].)
(See SAS CONTROL MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM].)
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 DTC TABLE [DYNAMIC STABILITY CONTROL (DSC)].)
No
DTC troubleshooting completed.