{"nhtsa_id":10190925,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-04-26","date":"2015-12-01","document_id":"PIE0349","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Engineering Information – Service 4WD Message Displayed and DTC C0398 Condition Important: If the customer did not bring their vehicle in for this concern, DO NOT proceed with this EI. Some customers may comment on a “Service 4WD” message displayed. During diagnosis a technician may find DTC C0398 (Range Actuator Position – Range Position Correlation). Cause GM Engineering is attempting to determine the root cause of the above condition. Engineering has a need to gather information on vehicles PRIOR to repair that may exhibit this condition. As a result, this information will be used to \"root cause\" the customer's concern and develop/validate a field fix.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10190925-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10190925-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10190925","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"instrument-cluster","name":"Instrument cluster","parent":"electrical"}],"codes":["C0398"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2016,"year_to":2016,"match":"base","vehicle_ids":["2016_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_chevrolet_tahoe"]},{"make":"GMC","model":"SIERRA 1500","year_from":2016,"year_to":2016,"match":"base","vehicle_ids":["2016_gmc_sierra"]},{"make":"GMC","model":"YUKON","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_gmc_yukon"]},{"make":"GMC","model":"YUKON XL","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_gmc_yukon-xl"]}],"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":[]}