Ford Focus airbag light stays on, requires dielectric lube on yellow plug on Ford Focus

Submitted by Lorri-h · Jun 23, 2025
Published by RepairPal

Problem overview

Some Ford Focus owners report experiencing persistent airbag light illumination, which may indicate several underlying issues requiring attention. Common reasons include the need for seat belt repairs following an accident, which can cause the airbag light to remain on until the system is properly fixed. Additionally, a defective airbag control module may trigger the warning light, as can loose connections between the airbag module and its sensors or other components. While some owners consider using dielectric lube on the yellow plug to improve connections, it is crucial to diagnose the root cause of the airbag light issue before attempting any fixes. Given the safety implications of airbag systems, it is recommended that owners consult a professional or certified mechanic for effective and safe resolution of these concerns.

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