Mazda 2013 CX-5, Workshop Manual

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DTC U0401:00 [DYNAMIC STABILITY CONTROL (DSC)]
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2013 - CX-5 - Brakes
DTC U0401:00 [DYNAMIC STABILITY CONTROL (DSC)]
DTC U0401:00 Abnormal message from PCM
DETECTION
CONDITION
Correct data cannot be received from PCM
FAIL-SAFE
FUNCTION
Illuminates the TCS/DSC indicator light
*1
.
Tire pressure monitoring system warning light illuminates after flashes.
(Not illuminated/flashed depending on malfunction content.)
Inhibits the TCS
*2
, DSC
*2
, roll over mitigation (ROM)
*2
, hill launch assist
(HLA)
*2
, and TPMS
*2
controls.
*1
: Not illuminated depending on malfunction content.
*2
: Enabled depending on malfunction content.
POSSIBLE
CAUSE
PCM malfunction
SYSTEM
WIRING
DIAGRAM
—
Diagnostic procedure
STEP INSPECTION ACTION
1
INSPECT FOR PCM MALFUNCTION
Switch the ignition to off.
Using the M-MDS, perform the DTC
inspection for the PCM.
(See
ON-BOARD DIAGNOSTIC TEST
[SKYACTIV-G 2.0]
.)
Are any DTCs detected?
YesGo to applicable DTC inspection.
(See
DTC TABLE [SKYACTIV-G 2.0]
.)
No Go to the next step.
2
VERIFY THAT THE SAME DTC IS NOT PRESENT
YesRepeat the inspection from Step 1.