{"nhtsa_id":10084681,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-11-23","date":"2012-10-29","document_id":"PI0339B","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM","mfr_system":null,"summary":"THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE TO REPLACE A TERMINAL FOR COMMENTS REGARDING INSTRUMENT PANEL CLUSTER (IPC) WARNING LAMPS AND/OR MIL ARE ILLUMINATED, DIESEL EXHAUST FLUID (DEF) MESSAGE DISPLAYED, VARIOUS DTCS SET, TRANSMISSION MAY NOT SHIFT OR DEFAULTS TO SECOND GEAR (INSPECT WIRING HARNESSES FOR CHAFING, CONNECTORS NOT FULLY SEATED, AND BACKED OUT OR DAMAGED TERMINALS, REPAIR AS NEEDED)","document":null,"url":"https://open.wenmarpro.com/bulletins/10084681","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2011,"year_to":2013,"match":"base","vehicle_ids":["2011_chevrolet_silverado","2012_chevrolet_silverado","2013_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 3500","year_from":2011,"year_to":2013,"match":"base","vehicle_ids":["2011_chevrolet_silverado","2012_chevrolet_silverado","2013_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 2500","year_from":2011,"year_to":2013,"match":"base","vehicle_ids":["2011_gmc_sierra","2012_gmc_sierra","2013_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2011,"year_to":2013,"match":"base","vehicle_ids":["2011_gmc_sierra","2012_gmc_sierra","2013_gmc_sierra"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}