{"nhtsa_id":11036155,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-13","date":"2026-08-07","document_id":"08-310-26","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Malfunction Indicator Lamp (MIL) With Diagnostic Trouble Code (DTC) P0607 Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● P0607-00 - ECU Internal Performance. Customers may also comment on the following: ● The check engine lamp is illuminated on the Instrument Panel Cluster (IPC) when the vehicle is started.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036155-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036155-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036155","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["P0607"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE L","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_jeep_grand-cherokee-l"]}],"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":[]}