{"nhtsa_id":11038529,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-10-16","date":"2026-10-08","document_id":"08-371-26","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: Electronic Shift Module (ESM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● U114C-00 - Lost Communication With PRNDL Display. ● P1C86-00 - PRNDL Display. Customers may also comment on one or more of the following: ● \"Service Shifter\" message showing on Instrument Panel Cluster (IPC). ● PRNDL lights are not illuminating. This bulletin involves reprogramming the ESM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11038529-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11038529-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11038529","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["P1C86","U114C"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE 4XE","year_from":2023,"year_to":2023,"match":"base","vehicle_ids":["2023_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE L","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_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":[]}