{"nhtsa_id":11020753,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-07-17","date":"2025-07-11","document_id":"09-017-25","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Loose Charge Air Cooler Case Crimp Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P219C-00 - Cylinder 1 Air-fuel Ratio Imbalance. ● P219D-00 - Cylinder 2 Air-fuel Ratio Imbalance. ● P219F-00 - Cylinder 4 Air-fuel Ratio Imbalance. ● P21A0-00 - Cylinder 5 Air-fuel Ratio Imbalance. ● P21A1-00 - Cylinder 6 Air-fuel Ratio Imbalance. Customers may experience one or more of the following: ● Audible whistle type noise heard from the engine area. ● Reduced boost to performance This bulletin involves inspecting for a crimp in the Charge Air Cooler case and possibly replacing the Charge Air Cooler.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11020753-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11020753-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11020753","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P219C","P219D","P219F","P21A0","P21A1"],"topics":[],"vehicles":[{"make":"RAM","model":"1500","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_ram_1500"]}],"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":[]}