{"nhtsa_id":11018867,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-06-02","date":"2025-05-30","document_id":"08-178-25","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":"Motor Generator Unit","summary":"\"Motor Generator Unit (MGU) Replacement Customers **must** experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician **must** find the following Diagnostic Trouble Code (DTC) has been set: ● P1B0F-00 - Drive Motor A Position Sensor Offset Incorrect. Customers may also experience one or more of the following: ● Vehicle goes into limp home mode. ● Vehicle does not start. This bulletin involves inspecting the MGU serial number and possibly replacing the MGU as needed.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11018867-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11018867-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11018867","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["P1B0F"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE 4XE","year_from":2023,"year_to":2024,"match":"base","vehicle_ids":["2023_jeep_grand-cherokee","2024_jeep_grand-cherokee"]},{"make":"JEEP","model":"WRANGLER","year_from":2023,"year_to":2024,"match":"exact","vehicle_ids":["2023_jeep_wrangler","2024_jeep_wrangler"]}],"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":[]}