DTC U0420:00 [DYNAMIC STABILITY CONTROL (DSC)]
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2013 - CX-5 - Brakes
DTC U0420:00 [DYNAMIC STABILITY CONTROL (DSC)]
DTC U0420:00 Abnormal message from EPS CM
DETECTION
CONDITION
Correct data cannot be received from EPS CM
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), and TPMS
controls.
POSSIBLE CAUSE
EPS CM malfunction
SYSTEM WIRING
DIAGRAM
—
Diagnostic procedure
STEP INSPECTION ACTION
1
INSPECT FOR EPS CM MALFUNCTION
Switch the ignition to off.
Using the M-MDS, perform the DTC
inspection for the EPS CM.
(See
ELECTRIC POWER STEERING
(EPS) ON-BOARD DIAGNOSIS
.)
Are any DTCs detected?
Yes Go to applicable DTC inspection.
(See
ELECTRIC POWER STEERING (EPS) ON-
BOARD DIAGNOSIS
.)
No Go to the next step.
2
VERIFY THAT THE SAME DTC IS NOT PRESENT
Clear the DTCs from the memory.
(See
ON-BOARD DIAGNOSIS
[DYNAMIC STABILITY CONTROL
(DSC)]
.)
Yes Repeat the inspection from Step 1.
If the malfunction recurs, replace the EPS
CM, then go to the next step.
(See
STEERING WHEEL AND COLUMN
REMOVAL/INSTALLATION
.)