2003-04 Toyota Corolla Airbag Recall - DSB

OishiiJPN

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Background:

The original remedy for Safety Recall D0B announced in January, 2013, included the installation of a sub-wire harness (filter). Also, if certain conditions were found during system diagnosis, a new Supplemental Restraint System (SRS) Electronic Control Unit (ECU) was installed. Toyota has received some reports of inadvertent front airbag(s) and/or seat belt pretensioner(s) deployment involving vehicles in which only the filter was installed during the remedy procedure.

Condition:

The SRS ECU in these vehicles could have been manufactured with integrated circuits (ICs) that are susceptible to internal short circuiting when exposed to certain electrical noise from various vehicle electrical components. If internal short circuiting occurs, the front airbag(s) and/or seat belt pretensioner(s) could inadvertently deploy. An airbag that deploys inadvertently can, under some circumstances, increase the risk of injury and the possibility of a crash.

Involved Vehicles:
There are approximately 752,000 Corolla and Corolla Matrix vehicles (2003 and 2004 model year) covered by the original Safety Recall D0B in the U.S. Vehicles that previously received both a sub-wire harness and SRS ECU are not included in the Supplement Safety Recall DSB.
 
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