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April 23, 2026 Service bulletin

Door handle discharge logic improvement (SA646)

Kia technical service bulletin TSB_ELE421 for 2027 Kia Telluride and 2027 Kia Telluride Hybrid.

Bulletin number
TSB_ELE421 (SA646)
Component
Electrical system
Summary
TECHNICAL SERVICE BULLETIN: SERVICE ACTION: DOOR HANDLE DISCHARGE LOGIC IMPROVEMENT (SA646) - This bulletin provides information to upgrade the Door Handle Sensor Module ‘DHS’ system software on certain 2027MY Telluride (LQ2a, LQ2 HEV) vehicles produced from December 03, 2025 through April 10, 2026, which may experience excessive discharging of the 12V battery while parked, potentially resulting in a no-start condition

Owners of these vehicles have filed 7 complaints in the electrical category.

Vehicles covered

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