This bulletin applies to 2008-2013 Buick Enclave, 2009-2013 Chevy Traverse, 2007-2013 GMC Acadia and 2007-2010 Saturn Outlook vehicles that require replacement of a power steering cooler. This bulletin outlines the procedure to prevent introducing a large amount of air into the system during service.
Some owners of 2007-2013 Chevy Avalanche, Silverado, Suburban and Tahoe models may complain about a buzz or rattle noise during light acceleration around 1,200-2,000 rpm. The noise may also sound like a squeak, creak or tap coming from behind the instrument panel. This could be caused by the fuel line or fuel line bracket above the transmission contacting the floor pan.
Input housing and shaft assemblies from transmissions have been incorrectly considered defective when air bubbles are observed coming from between the input shaft and the housing during an air check.
This bulletin applies to 2000-2012 GM passenger cars and light-duty trucks equipped with gasoline engines, where the SES light is on and any of the following fuel trim and/or O2 sensor-related codes are stored:
This bulletin applies to 2003-2014 Chevy Corvette and 2009-2014 Cadillac CTS models equipped with Magnaride (magnetically controlled suspension). The issue involves the Magnaride electrical connector not seated, along with DTCs C0575, C0580, C0585 or C0590. The customer may see a Service Suspension System message displayed on the driver’s information center (DIC).
In “rare” cases, some owners of 2014 Chevy Equinox vehicles equipped with a 3.6L engine may comment that the MIL is on, accompanied by poor performance and reduced power. Technicians may find DTC P0641 stored.
This bulletin applies to 2014 Chevy Malibu vehicles. A technician may find when performing a DTC check using a scan tool that the Multi-axis Acceleration Sensor Module has a DTC U0121 (loss of communication with the EBCM) set in history.
This bulletin applies to 2013 Chevy Tahoe 4WD vehicles equipped with Single Rear Video Screen or Dual Rear Video Screens, where customers complain that one or both of the roof mounted video screens will not turn on.
This bulletin applies to 2010-2012 Chevy Camaro models equipped with the 6L80 or 6L90 automatic transmission, where the MIL is on, with DTC P0796 is found as an active or history code set in the TCM. Symptoms include a slip or no 4th gear, slip or no 5th gear, and/or slip or no 6th gear.
This bulletin applies to 2014 Chevy Equinox vehicles. In “rare” cases, customers may comment that the MIL is on, accompanied by poor performance/reduced power. Technicians may find DTC P0641 or various other codes set.