GM to replace ignition keys on new trucks over design issue

Article by Christian Andrei, on December 8, 2014

General Motors is replacing ignition keys on its newest trucks due to a design issue that can make the shift lever to bump the key and shut off the engine. According to the carmaker, its investigators have concluded that the issue was not a safety defect as it only happens the driver is stepping on the brake and is shifting gears.

Thus, instead of issuing a safety recall, GM sent a technical service bulletin to its dealers early November, telling them to replace keys of customers complaining of a problem.

The bulletin covers MY2014-2015 Chevrolet Silverado and GMC Sierra 1500 pickups, and the MY2015 Chevrolet Suburban and Tahoe and GMC Yukon and Yukon XL SUVs, but excludes those with keyless start buttons.

According to the bulletin, some contact force may rotate the ignition key and shut the engine off. A GM spokesman told Automotive News in an email that this problem is a shifting issue -- with foot on brake – and not a running vehicle issue.

GM made a production change to the keys in February to fix the issue. For customers who purchased their vehicle before the February redesign and for those having some complains, dealers are instructed to issue a redesigned key.

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