DTC U2300:52/U2300:54/U2300:55/U2300:56/U2300:64 [DYNAMIC STABILITY CONTROL (DSC)]

id0402b2905800

DTC
U2101:00, U2300:52, U2300:54, U2300:55, U2300:56, U2300:64
Configuration data not recorded
DETECTION CONDITION
•  DSC CM detects configuration data not record or data error
FAIL-SAFE FUNCTION
•  Illuminates the ABS warning light, TCS/DSC indicator light, and master warning light*1.
•  Tire pressure monitoring system warning light illuminates after flashes*2.
•  Inhibits the ABS, TCS, DSC, brake assist control, vehicle roll prevention function*2, Hill Launch Assist (HLA), Smart City Brake Support (SCBS)*2, Secondary Collision Reduction (SCR)*2 and TPMS*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
•  Module configuration procedure is not done properly
•  Correct data cannot be received from instrument cluster
•  Another vehicles control modules been installed
SYSTEM WIRING DIAGRAM
Not applicable

Diagnostic procedure

STEP

INSPECTION

ACTION
1
RECORD THE CAR CONFIGURATION DATA
•  Switch the ignition to off.
•  Switch the ignition ON (engine off) and wait for 10 s or more.
•  Switch the ignition to off and wait for 3 s or more.
•  Switch the ignition ON (engine off) and wait for 3 s or more.
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, go to the next step.
No
Go to Step 6.
3
VERIFY IF PARTS FROM ANOTHER VEHICLE INSTALLED TO INSTRUMENT CLUSTER, PCM OR DSC HU/CM
•  Verify if an instrument cluster, PCM or DSC HU/CM from another vehicle is installed.
•  Has an instrument cluster, PCM, DSC HU/CM or other vehicle part been installed to vehicle?
Yes
Install the correct instrument cluster, PCM or DSC HU/CM, then go to Step 1.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)
(See PCM REMOVAL/INSTALLATION [SKYACTIV-G 2.0, SKYACTIV-G 2.5].)
(See PCM REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)
(See DSC HU/CM REMOVAL/INSTALLATION.)
No
Go to the next step.
4
INSPECT FOR INSTRUMENT CLUSTER/PCM MALFUNCTION
•  Switch the ignition to off.
•  Using the M-MDS, perform the DTC inspection for the instrument cluster and PCM.
•  Are any DTCs detected?
Yes
Go to applicable DTC inspection.
(See DTC TABLE [INSTRUMENT CLUSTER].)
(See DTC TABLE [SKYACTIV-G 2.0, SKYACTIV-G 2.5].)
(See DTC TABLE [SKYACTIV-D 2.2].)
No
Go to the next step.
5
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.
No
Go to the next step.
6
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.