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Home >> Mazda >> 2021 >> 3 Base >> Repair and Diagnosis (Single Page) >> Brakes >> Anti-Lock Brakes >> On-Board Diagnostics - Dynamic Stability Control (DSC) >> DTC C1020-68: DSC HU/Cm (Internal Or External Malfunction) [DSC HU/Cm] >> Diagnostic Procedure

Diagnostic Procedure

DTC C1020:68 (DSC HU/CM) DIAGNOSTIC PROCEDURE

Step Inspection Results Action
1 INSPECT DSC HU/CM FOR MALFUNCTION DEPENDING ON REPEATABILITY
  • Clear the DTC recorded in the memory. (See CLEARING DTC .)
  • Start the engine and drive the vehicle.
  • Gradually slow down and stop vehicle.
  • Perform the DTC inspection for the DSC HU/CM. (See DTC INSPECTION .)
  • Is the same Pending DTC present?
 Yes Replace the DSC HU/CM and perform the repair completion verification.
(See DSC HU/CM REMOVAL/INSTALLATION [L.H.D. (US)] .)
No Go to the next step.
Repair completion verification VERIFY IF OTHER DTCs DISPLAYED
  • Perform the DTC inspection. (See DTC INSPECTION .)
  • Are any DTCs displayed?
 Yes Repair the malfunctioning location according to the applicable DTC troubleshooting.
No DTC troubleshooting completed.
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