Mazda 2013 CX-5, Workshop Manual

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DTC U0402:00 [DYNAMIC STABILITY CONTROL (DSC)]
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2013 - CX-5 - Brakes
DTC U0402:00 [DYNAMIC STABILITY CONTROL (DSC)]
DTC U0402:00 Abnormal message from transmission/transaxle
DETECTION
CONDITION
The DSC HU/CM received error signals from the transmission/transaxle
for 1 s or more with the ignition switched ON (engine off or on).
FAIL-SAFE
FUNCTION
Illuminates the TCS/DSC indicator light.
Tire pressure monitoring system warning light illuminates after flashes.
Inhibits the TCS, DSC, roll over mitigation (ROM), hill launch assist
(HLA), and TPMS controls.
POSSIBLE
CAUSE
The transmission/transaxle could not send a normal signal temporarily.
(DTCs are stored in the TCM.)
transmission/transaxle malfunction
DSC HU/CM malfunction
SYSTEM
WIRING
DIAGRAM
—
Diagnostic procedure
STEP INSPECTION ACTION
1
VERIFY DTCs FOR TCM
Switch the ignition to off.
Verify DTCs for the TCM using the M-
MDS.
(See
ON-BOARD DIAGNOSTIC SYSTEM
DTC INSPECTION [FW6A-EL, FW6AX-
EL]
.)
Is the DTC displayed?
YesRepair the malfunctioning part according to
the applicable DTC troubleshooting.
(See
ON-BOARD DIAGNOSTIC SYSTEM DTC
TABLE [FW6A-EL, FW6AX-EL]
.)
No Go to the next step.
2
VERIFY THAT THE SAME DTC IS NOT PRESENT
YesRepeat the inspection from Step 1.