{"nhtsa_id":11037335,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-09-17","date":"2026-09-12","document_id":"08-332-26 REV. A","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Hybrid Cooling Pump Emergency Mode Condition Customers may comment on one or more of the following: SYMPTOM: ● 12V battery is draining. NOTE: The auxiliary heat and battery coolant pumps can enter emergency mode and drain the 12V battery. ● A pump running at full speed noise may be heard from the engine compartment after the vehicle is turned off. This bulletin involves replacing the Auxiliary Heat Pump (AHP).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037335-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037335-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11037335","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"JEEP","model":"WAGONEER S","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_jeep_wagoneer-s"]}],"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":[]}