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Home >> Mazda >> 2023 >> CX-5 Turbo >> Repair and Diagnosis >> Brakes >> Parking Brake System >> On-Board Diagnostic - Electric Parking Brake >> DTC U3000-04: Electric Parking Brake Control Module Internal Malfunction [Electric Parking Brake Control Module] >> Diagnostic Procedure

Diagnostic Procedure

DTC U3000:04 (ELECTRIC PARKING BRAKE CONTROL MODULE) DIAGNOSTIC PROCEDURE

Step Inspection Results Action
1 INSPECT BATTERY  Yes Go to the next step.
No Recharge or replace the battery, then go to the next step. (See BATTERY RECHARGING .) (See BATTERY REMOVAL/INSTALLATION [SKYACTIV-G 2.5 (VIN M)] .) (See BATTERY REMOVAL/INSTALLATION [VIN Y] .)
2 VERIFY THAT REPAIRS HAVE BEEN COMPLETED  Yes Replace the electric parking brake control module, then go to the next step. (See ELECTRIC PARKING BRAKE CONTROL MODULE REMOVAL/INSTALLATION .)
No Go to the next step.
3 VERIFY IF OTHER DTCs DISPLAYED 
  • Are any other DTCs displayed?
Yes Repair or replace the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [ELECTRIC PARKING BRAKE CONTROL MODULE] .)
No DTC troubleshooting completed.