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Home >> Mazda >> 2021 >> CX-3 AWD >> Repair and Diagnosis (Single Page) >> Drivelines & Axles >> Differentials & Drive Axles >> On-Board Diagnostics - AWD System >> DTC U2100-00: AWD Control Module Configuration (AWD System) >> Diagnostic procedure
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Diagnostic procedure

DTC U2100:00 (AWD SYSTEM) DIAGNOSTIC PROCEDURE

Step Inspection Action
1 ALLOW VEHICLE TO COOL DOWN
  • SWITCH THE IGNITION TO OFF AND ALLOW the vehicle TO COOL DOWN.
Go to the next Step.
2 VERIFY DTC TROUBLESHOOTING COMPLETED
Yes Replace the AWD control module.
(See AWD CONTROL MODULE REMOVAL/INSTALLATION .)
No Go to the next Step.
3 VERIFY NO DTC IS PRESENT
  • Are any DTCs present?
Yes Go to the applicable DTC inspection.
(See DTC TABLE [AWD CONTROL MODULE] .)
No DTC troubleshooting completed.