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November 1, 2013 Service bulletin

Buick/chevrolet: the multi-axis acceleration sensor module has diagnostic trouble code (DTC) U0121 (loss...

Chevrolet technical service bulletin PIC-5652-B for 2013-2014 Chevrolet Malibu, 2013-2014 Buick Regal and 2013 Buick Lacrosse.

Bulletin number
PIC-5652-B
Component
Vehicle speed control: accelerator pedal
Summary
Buick/chevrolet: the multi-axis acceleration sensor module has diagnostic trouble code (dtc) u0121 (loss of communication with ebcm) set, when performing dtc check using scan tool by technician and components of this condition need not be replaced. Model 2013-2013 malibu, regal, lacrosse.

Owners of these vehicles have filed 55 complaints in the acceleration category.

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