HIGH

Tandem Diabetes Care Recalls 122,958 t:slim X2 and Tandem Mobi Pumps Over Autobolus Risk (2025)

Tandem Diabetes Care recalled 122,958 insulin pumps nationwide in the United States, including Puerto Rico. A software defect in versions 7.9.0.1 and 7.10.1 for the t:slim X2 and version 7.9.0.1 for the Tandem Mobi paired with a Dexcom G7 sensor can trigger an unexpected automatic insulin correction bolus, raising the risk of hypoglycemia. Users should stop using the affected devices and follow a)

Quick Facts at a Glance

Recall Date
August 5, 2025
Hazard Level
HIGH
Brand
Tandem Diabetes Care
Category
Health & Personal Care
Sold At
Multiple Retailers
Geographic Scope
1 states
At-Risk Groups
GENERAL

Hazard Information

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.

What You Should Do

Patients and healthcare providers should stop using this device immediately. Follow the recall instructions provided by the manufacturer. Contact Tandem Diabetes Care, Inc. or your healthcare provider for instructions. Notification method: Letter

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About This Product

Insulin pumps like the t:slim X2 and Tandem Mobi are CGM-integrated devices used to deliver insulin with automated features. They are widely used by adults with diabetes to manage glucose levels.

Why This Is Dangerous

A software defect can cause an unexpected automatic insulin correction bolus, potentially driving insulin too high or too low and risking hypoglycemia.

Industry Context

This recall is not part of a broader industry pattern.

Real-World Impact

The defect could lead to unexpected hypoglycemia, which can be dangerous if not promptly addressed. Users may need to switch to alternative insulin delivery methods during remediation.

Practical Guidance

How to identify if yours is affected

  1. 1. Check device model: t:slim X2 or Tandem Mobi.
  2. 2. Verify software version: 7.9.0.1 or 7.10.1 for X2; 7.9.0.1 for Mobi.
  3. 3. Confirm Dexcom G7 pairing.

Where to find product info

Recall letter and manufacturer guidance. The FDA enforcement page provides official details.

What timeline to expect

Typically 4-8 weeks for refunds or replacements after submission of a claim.

If the manufacturer is unresponsive

  • Document all communications with the manufacturer.
  • Escalate to FDA recall processes if the company delays resolution.
  • Consult your healthcare provider for interim management options.

How to prevent similar issues

  • Keep software updated when updates are released by manufacturers.
  • Periodically verify sensor-device pairings.
  • Follow all recall communications and avoid relying on corrective boluses from recalled firmware.

Documentation advice

Keep the recall notice, device serial numbers, software versions, dates of purchase, and all correspondence with the manufacturer.

Product Details

Brand: Tandem Diabetes Care Products: t:slim X2 insulin pump with Interoperable Technology and Control-IQ+ technology; Tandem Mobi insulin pump with Interoperable Technology and Control-IQ+ technology REF numbers: 1014070, 1014071, 1014072, 1014073 (t:slim X2); 1014801, 1014811, 1014813 (Tandem Mobi) Software versions: t:slim X2 7.9.0.1 and 7.10.1; Mobi 7.9.0.1 UDI-DI: 00389152407012, 00389152407111, 00389152407210, 00389152407319 (t:slim X2); 00389152480114, 00389152481111, 00389152481319 (Mobi) User Guide: AW-1014562 Revision D; AW-1014938 Revision C Distribution: US nationwide includingPR N

Reported Incidents

No injuries or incidents have been reported.

Key Facts

  • 122,958 units recalled
  • Software versions 7.9.0.1 and 7.10.1 (t:slim X2) and 7.9.0.1 (Mobi)
  • Dexcom G7 sensor pairing involved
  • Distribution: US nationwide including Puerto Rico
  • Recall status: Active

Safety Guide

Not sure what to do next? Our guide walks you through the process step by step.

Read: What to Do When You Find a Recalled Product

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Safety Assessment

Risk LevelHIGH
Severity Score
8/ 10
Affected Groups
GENERAL
Injury Types
OTHER

Product Details

Model Numbers
t:slim X2
Tandem Mobi
Affected States
ALL
Report Date
October 29, 2025
Recall Status
ACTIVE

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