Toyota Sienna Air Bag Problems


Introduced in 1998, the Toyota Sienna is the only minivan in its class to offer all-wheel drive. In addition to its features, the Sienna has consistently posted some of the best NHTSA crash scores in its class. Despite the safety accolades, some Sienna models suffer from airbag problems.

SRS Airbag Light

  • Technical Service Bulletins indicate the most commonly reported Sienna airbag issue is the SRS airbag light illuminating on the instrument panel. Abrupt illumination of the airbag light is heavily reported with the 2006 model. Some Sienna owners report the SRS light stayed on once it illuminated, while others indicate it goes off and on intermittently.

Potential Problems

  • An illuminated SRS light might indicate an improper electrical connection or that the airbag system is disabled. An improper electrical connection might result in the airbag not deploying in an accident. Additionally, an illuminated SRS light might lead to an airbag unintentionally deploying while driving. TSBs indicate SRS illumination often indicates a defective airbag harness or sensor.


  • The most common repair needed to remedy the Sienna's airbag trouble is replacing the air bag harness, which can cost between $2,800 and $4,000 according to About Automobile. Other drivers indicate their Sienna needed new airbag sensors, which costs approximately $995 for both the driver's and passenger's side combined.

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