{"vehicle":{"id":"2016_gmc_yukon-xl","year":2016,"make":"GMC","model":"Yukon XL"},"code":"C0398","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":5,"bulletins":[{"nhtsa_id":10201135,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-09-07","date":"2015-12-01","document_id":"PIE0349A","mfr_campaign":null,"component":"POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); ELECTRICAL SYSTEM","summary":"Engineering Information - Service 4WD Messange Displayed and DTC C0398 - Equipped with Switch activated transfer case (RPO NQH)","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10201135-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10201135-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10201135"},{"nhtsa_id":10201134,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-09-07","date":"2015-12-01","document_id":"PIE0349","mfr_campaign":null,"component":"POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); ELECTRICAL SYSTEM","summary":"Engineering Information - Service 4WD Messange Displayed and DTC C0398 - Equipped with Switch activated transfer case (RPO NQH)","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10201134-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10201134-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10201134"},{"nhtsa_id":10190929,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-04-26","date":"2015-12-01","document_id":"PIE0349A","mfr_campaign":null,"component":"POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); EQUIPMENT","summary":"Engineering Information – Service 4WD Message Displayed and DTC C0398","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10190929-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10190929-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10190929"},{"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,"component":"ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM","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"},{"nhtsa_id":10078562,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-08-10","date":"2016-04-25","document_id":"PIE-0362","mfr_campaign":null,"component":"POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)","summary":"THIS ENGINEERING INFORMATION BULLETIN IS REQUESTING INFORMATION FROM THE DEALERS ON A CUSTOMER CONCERN THAT A SERVICE 4WD MESSAGE DISPLAYED ON THE DIC AND DTC C0398 SET WITHIN THE TRANSFER CASE CONTROL MODULE.","document":null,"url":"https://open.wenmarpro.com/bulletins/10078562"}],"url":"https://open.wenmarpro.com/makes/gmc/yukon-xl/2016/bulletins?code=C0398"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/gmc/yukon-xl/2016/codes/C0398","note":"The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}