t:slim X2 Insulin Pump (Tandem) – software defect (2025)
Hazard assessment based on recall description.
This AI-generated summary is provided for general informational purposes only and is derived from publicly available recall notices. It supplements but does not replace official agency classifications or safety instructions.
Check Your Product
According to the U.S. Food and Drug Administration (FDA)
Product
t: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
Brand
Tandem Diabetes Care, Inc.
Lot Codes / Batch Numbers
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
Products Sold
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
Tandem Diabetes Care, Inc. is recalling t:slim X2 insulin pump with Interoperable Technology, Control-IQ+ technology, REF: 1014070, 1014071, due to 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. Based on FDA medical device recall database.
Summary derived from FDA notice
Reason for Recall
As stated by FDA
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.
Recommended Action
Per FDA guidance
On 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.
Verify this information on the official source
For complete details and official instructions, check the U.S. Food and Drug Administration (FDA) directly.
View official FDA recall noticePage updated: Jan 10, 2026