DTC U300A-62: Ignition Switch Status Mismatch [Electric Parking Brake Control Module]: Notes

DTC U300A:62 (ELECTRIC PARKING BRAKE CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

Description	Ignition switch status mismatch
Detection condition	Electric parking brake control module detects the following mismatches. Condition of IG1 power supply supplied to instrument cluster Condition of IG1 power supply supplied to electric parking brake control module
Fail-safe	Not applicable
Possible cause	DTCs are stored in the instrument cluster. Instrument cluster power supply circuit malfunction Instrument cluster malfunction Electric parking brake control module connector or terminal malfunction Electric parking brake control module power supply circuit (IG1) malfunction Short to ground in wiring harness between IG1 relay terminal C and electric parking brake control module terminal 1AB C/U IG1 15 A fuse malfunction Open circuit in wiring harness between IG1 relay terminal C and electric parking brake control module terminal 1AB Electric parking brake control module malfunction
Courtesy of MAZDA MOTORS CORP.