Dexcom G6 Transmitter 9445-24Recalls & reported problems

Summary

The FDA's MAUDE database contains 240,475 adverse event reports that list this exact device (DI 00386270001627), received between Dec 16, 2020 and Jan 28, 2026 — classified as 86 injuries, 240,389 malfunctions.

The most frequently reported specific device problem is “Wireless Communication Problem” (174,479 reports).

Reports come from manufacturers, hospitals and patients and are not verified by the FDA. A report does not prove the device caused the event, and counts can't be used to compare devices or estimate failure rates. How this data works · Data updated Oct 13, 2026.

Most reported problems

Recent adverse event reports

The 25 most recent of 240,475 reports, in the reporter's own words as published by the FDA.

• MalfunctionJan 28, 2026Wireless Communication Problem

  IT WAS REPORTED THAT SIGNAL LOSS OCCURRED. PRODUCT WAS PROVIDED FOR INVESTIGATION. AN EXTERNAL VISUAL INSPECTION WAS PERFORMED AND PASSED. VOLTAGE TEST WAS PERFORMED AND FAILED. PERFORMANCE DATA WAS REVIEWED. THE ALLEGATION WAS CONFIRMED DUE TO THE FINDING OF SIGNAL LOSS OVER AN HOUR WITHIN THE INVESTIGATION WINDOW. THE PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 24201055 ↗
• MalfunctionSep 19, 2025No Device Output; No Device Output

  IT WAS REPORTED THAT A TRANSMITTER BATTERY ISSUE OCCURRED. IT WAS INDICATED THE PATIENT STARTED THEIR TRANSMITTER PAST THE 'USE BY' DATE, WHICH IS MISUSE OF THE DEVICE. NO PRODUCT OR DATA WAS PROVIDED FOR EVALUATION. THE ALLEGATION AND A PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23101812 ↗
• MalfunctionSep 19, 2025No Device Output; No Device Output

  IT WAS REPORTED THAT A TRANSMITTER BATTERY ISSUE OCCURRED. IT WAS INDICATED THE PATIENT STARTED THEIR TRANSMITTER PAST THE 'USE BY' DATE, WHICH IS MISUSE OF THE DEVICE. THE PRODUCT WAS EVALUATED. AN EXTERNAL VISUAL INSPECTION WAS PERFORMED AND PASSED. VOLTAGE TESTING WAS PERFORMED AND FAILED. NO DATA WAS PROVIDED FOR EVALUATION. THE ALLEGATION AND A PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23099326 ↗
• MalfunctionSep 19, 2025No Device Output; No Device Output

  IT WAS REPORTED THAT A TRANSMITTER BATTERY ISSUE OCCURRED. NO PRODUCT OR DATA WAS PROVIDED FOR EVALUATION. THE ALLEGATION AND A PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23094820 ↗
• MalfunctionSep 19, 2025Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT A TRANSMITTER BATTERY ISSUE OCCURRED. PERFORMANCE DATA WAS REVIEWED. A TRANSMITTER BATTERY ISSUE WAS NOT FOUND WITHIN THE INVESTIGATION WINDOW. THE ALLEGATION WAS NOT CONFIRMED. HOWEVER, SIGNAL LOSS OVER ONE HOUR WAS FOUND IN CONNECTION TO THE REPORTED ALLEGATION. THE PROBABLE CAUSE OF THE SIGNAL LOSS COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23094818 ↗
• MalfunctionSep 19, 2025No Device Output; No Device Output

  IT WAS REPORTED THAT SENSOR FAILURE OCCURRED. THE SENSOR WAS INSERTED INTO THE THIGH, WHICH IS OFF-LABEL USAGE OF THE DEVICE. IT WAS INDICATED THE PATIENT STARTED THEIR TRANSMITTER PAST THE 'USE BY' DATE, WHICH IS MISUSE OF THE DEVICE. PERFORMANCE DATA WAS REVIEWED. A SENSOR FAILURE WAS NOT FOUND WITHIN THE INVESTIGATION WINDOW. THE ALLEGATION WAS NOT CONFIRMED. HOWEVER, A TRANSMITTER FAILURE WAS FOUND IN CONNECTION TO THE REPORTED ALLEGATION. THE PROBABLE CAUSE OF THE TRANSMITTER FAILURE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED. ALLEGATION CONFIRMED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23092966 ↗
• MalfunctionSep 19, 2025No Device Output; No Device Output

  IT WAS REPORTED THAT SENSOR FAILURE OCCURRED. THE SENSOR WAS INSERTED INTO THE THIGH, WHICH IS OFF-LABEL USAGE OF THE DEVICE. PERFORMANCE DATA WAS REVIEWED. IT WAS INDICATED THE PATIENT STARTED THEIR TRANSMITTER PAST THE 'USE BY' DATE, WHICH IS MISUSE OF THE DEVICE. A SENSOR FAILURE WAS NOT FOUND WITHIN THE INVESTIGATION WINDOW. THE ALLEGATION WAS NOT CONFIRMED. HOWEVER, A TRANSMITTER FAILURE WAS FOUND IN CONNECTION TO THE REPORTED ALLEGATION. THE PROBABLE CAUSE OF THE TRANSMITTER FAILURE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23092909 ↗
• MalfunctionSep 18, 2025No Device Output; No Device Output

  IT WAS REPORTED THAT A TRANSMITTER BATTERY ISSUE OCCURRED. IT WAS INDICATED THE PATIENT STARTED THEIR TRANSMITTER PAST THE 'USE BY' DATE, WHICH IS MISUSE OF THE DEVICE. NO PRODUCT OR DATA WAS PROVIDED FOR EVALUATION. THE ALLEGATION AND A PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23088671 ↗
• MalfunctionSep 18, 2025No Device Output; No Device Output

  IT WAS REPORTED THAT A TRANSMITTER BATTERY ISSUE OCCURRED. NO PRODUCT OR DATA WAS PROVIDED FOR EVALUATION. THE ALLEGATION AND A PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23086507 ↗
• MalfunctionSep 18, 2025No Device Output; No Device Output

  AFTER SUBMISSION OF THE INITIAL MDR PRODUCT WAS RECEIVED ON 9/4/2025 IT WAS DETERMINED THIS COMPLAINT IS NOT REPORTABLE PER (B)(4).

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23086007 ↗
• MalfunctionSep 17, 2025Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT SIGNAL LOSS OCCURRED. PERFORMANCE DATA WAS REVIEWED. THE ALLEGATION WAS UNDETERMINED. THE PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23079953 ↗
• MalfunctionSep 17, 2025Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT A SIGNAL LOSS OCCURRED. IT WAS INDICATED THE PATIENT STARTED THEIR TRANSMITTER PAST THE 'USE BY' DATE, WHICH IS MISUSE OF THE DEVICE. NO PRODUCT OR DATA WAS PROVIDED FOR EVALUATION. THE ALLEGATION AND A PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23077740 ↗
• MalfunctionSep 17, 2025No Device Output; No Device Output

  IT WAS REPORTED THAT A TRANSMITTER BATTERY ISSUE OCCURRED. IT WAS INDICATED THE PATIENT STARTED THEIR TRANSMITTER PAST THE 'USE BY' DATE, WHICH IS MISUSE OF THE DEVICE. NO PRODUCT OR DATA WAS PROVIDED FOR EVALUATION. THE ALLEGATION AND A PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23076693 ↗
• MalfunctionSep 17, 2025No Device Output; No Device Output

  IT WAS REPORTED THAT SENSOR FAILURE OCCURRED. IT WAS INDICATED THE PATIENT STARTED THEIR TRANSMITTER PAST THE 'USE BY' DATE, WHICH IS MISUSE OF THE DEVICE. PERFORMANCE DATA WAS REVIEWED. A SENSOR FAILURE WAS NOT FOUND WITHIN THE INVESTIGATION WINDOW. THE ALLEGATION WAS NOT CONFIRMED. HOWEVER, A TRANSMITTER FAILURE WAS FOUND IN CONNECTION TO THE REPORTED ALLEGATION. THE PROBABLE CAUSE WAS DETERMINED TO BE A LOW TRANSMITTER BATTERY. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23076124 ↗
• MalfunctionSep 17, 2025No Device Output; No Device Output

  IT WAS REPORTED THAT A PAIRING ISSUE OCCURRED. IT WAS INDICATED THE PATIENT STARTED THEIR TRANSMITTER PAST THE 'USE BY' DATE, WHICH IS MISUSE OF THE DEVICE. PERFORMANCE DATA WAS REVIEWED. A PAIRING FAILURE WAS NOT FOUND WITHIN THE INVESTIGATION WINDOW. THE ALLEGATION WAS NOT CONFIRMED. HOWEVER, A TRANSMITTER FAILURE WAS FOUND IN CONNECTION TO THE REPORTED ALLEGATION. THE PROBABLE CAUSE OF THE TRANSMITTER FAILURE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23076098 ↗
• MalfunctionSep 17, 2025No Device Output; No Device Output

  IT WAS REPORTED THAT A PAIRING ISSUE OCCURRED. IT WAS INDICATED THE PATIENT STARTED THEIR TRANSMITTER PAST THE 'USE BY' DATE, WHICH IS MISUSE OF THE DEVICE. PERFORMANCE DATA WAS REVIEWED. A PAIRING FAILURE WAS NOT FOUND WITHIN THE INVESTIGATION WINDOW. THE ALLEGATION WAS NOT CONFIRMED. HOWEVER, A TRANSMITTER FAILURE WAS FOUND IN CONNECTION TO THE REPORTED ALLEGATION. THE PROBABLE CAUSE OF THE TRANSMITTER FAILURE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23075560 ↗
• MalfunctionSep 17, 2025No Device Output; Wireless Communication Problem; No Device Output; Wireless Communication Problem

  IT WAS REPORTED THAT A TRANSMITTER BATTERY ISSUE WAS OCCURRED. IT WAS INDICATED THE PATIENT STARTED THEIR TRANSMITTER PAST THE 'USE BY' DATE, WHICH IS MISUSE OF THE DEVICE.PRODUCT HAS BEEN RECEIVED BUT IS PENDING EVALUATION. A FOLLOW UP REPORT WILL BE SUBMITTED UPON COMPLETION. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23075541 ↗
• MalfunctionSep 17, 2025Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT A SIGNAL LOSS OCCURRED. NO PRODUCT OR DATA WAS PROVIDED FOR EVALUATION. THE ALLEGATION AND A PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23075405 ↗
• MalfunctionSep 17, 2025No Device Output; No Device Output

  IT WAS REPORTED THAT A TRANSMITTER BATTERY ISSUE OCCURRED. IT WAS INDICATED THE PATIENT STARTED THEIR TRANSMITTER PAST THE 'USE BY' DATE, WHICH IS MISUSE OF THE DEVICE. NO PRODUCT OR DATA WAS PROVIDED FOR EVALUATION. THE ALLEGATION AND A PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23072872 ↗
• MalfunctionSep 17, 2025Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT SIGNAL LOSS OCCURRED IT WAS INDICATED THE PATIENT STARTED THEIR TRANSMITTER PAST THE 'USE BY' DATE, WHICH IS MISUSE OF THE DEVICE. DATA WAS RECEIVED BUT DOES NOT REFLECT FULL INVESTIGATION WINDOW. THE ALLEGATION AND A PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23072588 ↗
• MalfunctionSep 16, 2025Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT SIGNAL LOSS OCCURRED. IT WAS INDICATED THE PATIENT STARTED THEIR TRANSMITTER PAST THE 'USE BY' DATE, WHICH IS MISUSE OF THE DEVICE. DATA WAS RECEIVED BUT DOES NOT REFLECT FULL INVESTIGATION WINDOW. THE ALLEGATION AND A PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23069039 ↗
• MalfunctionSep 16, 2025Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT A SIGNAL LOSS OCCURRED. IT WAS INDICATED THE PATIENT STARTED THEIR TRANSMITTER PAST THE 'USE BY' DATE, WHICH IS MISUSE OF THE DEVICE. NO PRODUCT OR DATA WAS PROVIDED FOR EVALUATION. THE ALLEGATION AND A PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23068446 ↗
• MalfunctionSep 16, 2025Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT A SIGNAL LOSS OCCURRED. IT WAS INDICATED THE PATIENT STARTED THEIR TRANSMITTER PAST THE 'USE BY' DATE, WHICH IS MISUSE OF THE DEVICE. NO PRODUCT OR DATA WAS PROVIDED FOR EVALUATION. THE ALLEGATION AND A PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23067117 ↗
• MalfunctionSep 16, 2025Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT SIGNAL LOSS OCCURRED. PERFORMANCE DATA WAS REVIEWED. THE ALLEGATION WAS CONFIRMED DUE TO THE FINDING OF SIGNAL LOSS OVER AN HOUR WITHIN THE INVESTIGATION WINDOW. THE PROBABLE CAUSE WAS THE TRANSMITTER AND APP WERE UNABLE TO RESTORE THE CONNECTION. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23066683 ↗
• MalfunctionSep 16, 2025Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT A SIGNAL LOSS OCCURRED. IT WAS INDICATED THE PATIENT STARTED THEIR TRANSMITTER PAST THE 'USE BY' DATE, WHICH IS MISUSE OF THE DEVICE. NO PRODUCT OR DATA WAS PROVIDED FOR EVALUATION. THE ALLEGATION AND A PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 23063887 ↗