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U3003 on the 2016 Mazda CX-9

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

Bulletins for this model year that name U3003
MT-003-202020-09-01. Service bulletin. Some customers may complain about an inoperative power liftgate (PLG) and the any of the following DTC's stored in memory: • U3003:16 (Power liftgate (PLG) control module power supply voltage low input) • U3003:17 (Power liftgate (PLG) control module power supply voltage high input). This may be caused by low or high vehicle battery voltage.
MT-006-182018-08-27. Service bulletin. POWER LIFTGATE INOPERATIVE WITH DTC U3003:16: Some customers may complain about an inoperative power liftgate (PLG) with DTC U3003:16 (Power liftgate (PLG) control module power supply voltage low input) is stored in memory. This may be caused by low vehicle battery voltage.
1104M2017-02-21. Service bulletin. SOME CUSTOMERS MAY COMPLAIN ABOUT AN INOPERATIVE POWER LIFTGATE (PLG). DTC U3003:16 (POWER LIFTGATE (PLG) CONTROL MODULE POWER SUPPLY VOLTAGE LOW INPUT) IS STORED IN MEMORY. THIS MAY BE CAUSED BY LOW BATTERY VOLTAGE.
SA2972017-02-15. Service bulletin. 2016 CX-9 TECH TIPS: - MAINTENANCE MONITOR ENGINE OIL DATA RESET - ENHANCED PDI STEP 1 - DO NOT UPDATE THE MAZDA CONNECT SOFTWARE - SPECIAL ATTENTION ITEMS TO REVIEW DURING PDI - DRIVEABILITY CONCERNS DUE TO LOW FUEL LEVEL - POWER LIFTGATE (PLG) OPERATION - POWER LIFTGATE INOPERATIVE WITH DTC U3003:16 - POWER LIFTGATE CONTACTS GARAGE CEILING
SA2972016-12-02. Service bulletin. 2016 CX-9 TECH TIPS: - REAR SUNSHADE WILL NOT RETRACT - MAINTENANCE MONITOR ENGINE OIL DATA RESET - ENHANCED PDI STEP 1 - DO NOT UPDATE THE MAZDA CONNECT SOFTWARE - SPECIAL ATTENTION ITEMS TO REVIEW DURING PDI - DRIVEABILITY CONCERNS DUE TO LOW FUEL LEVEL - POWER LIFTGATE (PLG) OPERATION - POWER LIFTGATE INOPERATIVE WITH DTC U3003:16 - POWER LIFTGATE CONTACTS GARAGE CEILING

5 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.