{"nhtsa_id":10112214,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-15","date":"2014-09-09","document_id":"PIP5220A","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)","mfr_system":null,"summary":"This Preliminary Information communication provides information to the technician about vehicles that may have a repeat service 4 wheel drive message. Technician may find Diagnostic Trouble Codes C0398, C038D or C0397. Technician will need to reprogram the Transfer case control module with latest software available through tis2web. If the vehicle has Regular Production Option Code (NQH) and has a Diagnostic Trouble Code C0398 setting after being Dinghy towed please see the latest version of PIP5217. If the vehicle has a Diagnostic Trouble Code C0398, inspect circuits 7477, 7478, 7479 for any terminal or connection issues between the B2227 Gear Position Sensor and the Transfer Case Control Module and repair as needed.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10112214-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10112214-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10112214","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"software","name":"Software","parent":"electrical"},{"id":"transfer-case","name":"Transfer case","parent":"powertrain"}],"codes":["B2227","C038D","C0397","C0398"],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_cadillac_escalade"]},{"make":"CADILLAC","model":"ESCALADE ESV","year_from":2015,"year_to":2015,"match":"base","vehicle_ids":["2015_cadillac_escalade"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2014,"year_to":2014,"match":"base","vehicle_ids":["2014_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2014,"year_to":2014,"match":"base","vehicle_ids":["2014_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_chevrolet_tahoe"]},{"make":"GMC","model":"SIERRA 1500","year_from":2014,"year_to":2014,"match":"base","vehicle_ids":["2014_gmc_sierra"]},{"make":"GMC","model":"SIERRA 2500","year_from":2014,"year_to":2014,"match":"base","vehicle_ids":["2014_gmc_sierra"]},{"make":"GMC","model":"YUKON","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_gmc_yukon"]},{"make":"GMC","model":"YUKON XL","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_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":[]}