{"nhtsa_id":10112690,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-15","date":"2012-12-18","document_id":"PIT5128A","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)","mfr_system":null,"summary":"This Preliminary Information communication provides information to the technician about vehicles that have a compass that's not accurate or slow to update. Technician should check for a magnetic base roof mounted accessory interfering with the compass module.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10112690-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10112690-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10112690","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO","year_from":2009,"year_to":2013,"match":"exact","vehicle_ids":["2009_chevrolet_silverado","2010_chevrolet_silverado","2011_chevrolet_silverado","2012_chevrolet_silverado","2013_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA","year_from":2009,"year_to":2013,"match":"exact","vehicle_ids":["2009_gmc_sierra","2010_gmc_sierra","2011_gmc_sierra","2012_gmc_sierra","2013_gmc_sierra"]},{"make":"GMC","model":"SIERRA DENALI","year_from":2009,"year_to":2013,"match":"base","vehicle_ids":["2009_gmc_sierra","2010_gmc_sierra","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":[]}