Life Insurance, Short- and Long-term Disability, and Family Medical Leave Act (FMLA)
Sun Life: Life, Disability, and FMLA Administrator
Effective January 1, 2026 DENSO's life, disability, and FMLA benefits are administered by Sun Life. Below are a few resources to learn about this vendor and how to navigate their system. If you need assistance with a claim, call the dedicated DENSO support line at 833-576-5146 Monday through Friday, 8AM to 8PM ET. You can also access your claims information at sunlife.com/account. There is no mobile app for Sun Life, however their website is mobile friendly.
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Link to Sun Life's Sun Connect Absence Management Site
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Video: How to Register for a Sun Life Account
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Sun Life Member Learning Center
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What to Expect During a Leave of Absence
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Sun Life: Account Registration (English)
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Sun Life: Account Registration (Spanish)
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Sun Life: Why Create a Sun Life Account? (English)
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Sun Life: Why Create a Sun Life Account? (Spanish)
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Sun Life: How to Submit a New FMLA or Disability Claim (English)
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Sun Life: How to Submit a New FMLA or Disability Claim (Spanish)
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Sun Life: How to Submit Evidence of Insurability (EOI) Form (English)
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Sun Life: How to Submit Evidence of Insurability (EOI) Form (Spanish)
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Sun Life: How to Submit a Life Insurance Claim (English)
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Flyer: How to File Your Claim Online
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Article: How to Report Intermittent Leave Online
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Article: How to Update Your Return to Work Date Online
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Video: Sun Life Absence and Disability Claims Experience
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Sun Life: How to File a Waiver of Premium Claim
Reliance Matrix: Former FMLA, Life, and Disability Administrator
Effective December 31, 2025 Reliance Matrix is no longer the administrator of DENSO's life, disability, and FMLA benefits. However, you may still need information from Reliance Matrix regarding your claims, or they may still administer your open claim.
FMLA claims without disability are now administered by Sun Life. Call the dedicated DENSO support line at 833-576-5146 for assistance on your claim or visit sunlife.com/account to log into your Sun Life account. See the flyer below for instructions on creating an online account.
FMLA claims with disability that began before December 31, 2025 will be administered by Reliance Matrix until the claim is closed.
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How to File Disability, FMLA, or Supplemental Health Claims with Reliance Matrix
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Reliance Matrix Beneficiary Form
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Reliance Matrix Mobile App Flyer
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Link to Reliance Matrix Absence Management
Resources for Associates
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About the Family and Medical Leave Act
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Quick Guide on Intermittent Leave for baby bonding
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Assist America: global travel assistance from Sun Life
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Wellthy: end of life planning support from Sun Life