Buick Lacrosse 2012–2014 — technical service bulletin
Bulletin PIC5720B · NHTSA communication 10095525 · issued Feb 18, 2016
Technical service bulletin
communication type
Service Brakes, Air
component
2012–2014
model years
10
vehicle entries
Official summary
This preliminary information communication provides information to the technician on the steps needed to diagnose and repair vehicles that may have buzz or hum noise is heard in the right front at times. Also may have a antilock braking system malfunction indicator lamp, service brake assist message or service engine soon malfunction indicator lamp may be displayed. The following diagnostic trouble code may be set c027b, c0040 and p0cbe. The technician will inspect for the wire harness under the hood to be contacting the crank pulley, air conditioning compressor pulley or accessory drive belt
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.