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July 24, 2013 Service bulletin

13240

Chevrolet technical service bulletin G-171474 for 2014 Chevrolet Silverado 1500 and 2014 GMC Sierra 1500.

Bulletin number
G-171474
Component
Steering
Summary
13240 - Service Update. Reprogram the power steering control module. The power steering control module may disable the power steering assist feature. This is most likely to occur when the vehicle is first started and when the underhood temperature is extremely low, although in very rare instances, it may occur if the underhood temperature is extremely high. This could result in increased steering effort at low vehicle speeds, the display of a Service Power Steering DIC message, and the setting of DTC C056D. Power steering assist will return on subsequent ignition cycles if the underhood temperatures are no longer in these ranges.

Owners of these vehicles have filed 564 complaints in the steering category.

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