{"nhtsa_id":11036157,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-13","date":"2026-08-07","document_id":"08-312-26","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN","mfr_system":null,"summary":"Powertrain Modules Software Update Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P1E18-00 - Internal Control Module Electronic Park Performance. ● P1625-00 - Park Pawl System Failure. ● P1626-00 - Park Pawl Motor Stuck. NOTE: If DTCs P1E25-00, P1625-00 or P1626-00 are active, the vehicle will stay in READY mode since the Electric Vehicle Control Unit (EVCU) is not able to confirm if the park pawl is engaged, and the vehicle will be secured. ● P0A78-00 - Drive Motor A Inverter Performance. ● P0A79-00 - Drive Motor B Inverter Performance. Customers may also comment on one or more of the following: ● Vehicle is not shutting off and draining the 12V battery. ● Unable to start the vehicle.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036157-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036157-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036157","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P0A78","P0A79","P1625","P1626","P1E18","P1E25"],"topics":[],"vehicles":[{"make":"JEEP","model":"WAGONEER S","year_from":2024,"year_to":2025,"match":"exact","vehicle_ids":["2024_jeep_wagoneer-s","2025_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":[]}