{"nhtsa_id":10240165,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-08-02","date":"2023-07-24","document_id":"LI20.00-P-076708","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Check engine lamp activated, coolant warning message, and engine fan running at full speed. Below fault codes stored in N127 PTCU related to LIN network components. U063200, U063287, U02A900, U02A987, U0698E4, U0698E5, U02C800, U02C887, U063B00, U063B87 Under analysis. Create a TIPS case with findings of below checks. Include: • Initial quick test showing fault codes. • Details from owner on events leading up to symptoms Inspect wiring and connections (pins/sockets) for damage or corrosion at below components. -N127 -X25/7x1 -M4/7 Engine cooling fan -Y73/1 coolant directional control valve -M43/7 circulation pump 2 low-temperature circuit -M43/8 circulation pump 3 low-temperature circuit","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10240165-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10240165-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10240165","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":["U02A9","U02C8","U0632","U063B","U0698"],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"AMG GLC43","year_from":2022,"year_to":2023,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLC63","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLC63 S","year_from":2022,"year_to":2023,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLC 300","year_from":2022,"year_to":2023,"match":null,"vehicle_ids":[]}],"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":[]}