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U.S. Department of Health and Human Services

Class 2 Device Recall t:slim X2 Insulin Pump; Mobi Insulin Pump

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 Class 2 Device Recall t:slim X2 Insulin Pump; Mobi Insulin Pumpsee related information
Date Initiated by FirmAugust 05, 2025
Date PostedOctober 23, 2025
Recall Status1 Open3, Classified
Recall NumberZ-0232-2026
Recall Event ID 97403
510(K)NumberK201214 K203234 K240309 K241078 
Product Classification Alternate controller enabled insulin infusion pump - Product Code QFG
Productt:slim X2 insulin pump with Interoperable Technology, Control-IQ+ technology, REF: 1014070, 1014071, 1014072, 1014073, and User Guide when using Dexcom G7 sensor; Tandem Mobi insulin pump with Interoperable Technology, Control-IQ+ technology, REF: 1014801, 1014811, 1014813, and User Guide when using Dexcom G7 sensor
Code Information t:slim X2, UDI-DI: 00389152407012, 00389152407111, 00389152407210, 00389152407319 with software versions 7.9.0.1 and 7.10.1, User Guide versions not including and prior to: AW-1014562 Revision D; Tandem Mobi, UDI-DI: 00389152480114, 00389152481111, 00389152481319 with software version 7.9.0.1, User Guide versions not including and prior to: AW-1014938 Revision C
Recalling Firm/
Manufacturer		 Tandem Diabetes Care, Inc.
12400 High Bluff Dr
San Diego CA 92130-3077
For Additional Information ContactMs. Susan Morrison
858-366-6880
Manufacturer Reason
for Recall		A software defect in versions 7.9.0.1 and 7.10.1 of the pump software for Tandem t:slim X2 and version 7.9.0.1 of the Tandem Mobi pump with Control-IQ+ technology that are paired with a G7 sensor may result in an unexpected automatic insulin correction bolus (autobolus ) which could result in hypoglycemia.
FDA Determined
Cause 2		Software change control
ActionOn 8/5/2025, Field Safety Notices were sent to customers informing them of the following: Actions to avoid the issue: - Wait until your G7 sensor session ends before inserting a new G7 sensor. - However, if you do insert a new G7 sensor before your last sensor session ends, wait to pair until at least 20 minutes after the last session ends. Firm is working on a software update to resolve this issue. If you have questions or need help, please call firm's Customer Support 1-877-801-6901 or email Techsupport@tandemdiabetes.com. Our team is available 24/7/365. On 9/16/2025, correction notices were emailed to customers who were informed the firm updated user guides to align with instructions in the correction notice. Also, the firm will notify impacted users via an updated Field Correction Notice when the software update is available. The notice will provide instructions on how to remotely update their software.
Quantity in Commerce122,958
DistributionUS nationwide distribution including Puerto Rico.
Total Product Life CycleTPLC Device Report
1 A record in this database is created when a firm initiates a correction or removal action. The record is updated if the FDA identifies a violation and classifies the action as a recall, and it is updated for a final time when the recall is terminated. Learn more about medical device recalls.
2 Per FDA policy, recall cause determinations are subject to modification up to the point of termination of the recall.
3 The manufacturer has initiated the recall and not all products have been corrected or removed. This record will be updated as the status changes.
510(K) Database510(K)s with Product Code = QFG
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