{"nhtsa_id":11032847,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-05-20","date":"2026-05-15","document_id":"21-041-26","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Transmission Auxiliary Oil Pump Failure Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P0B0D-00 - Electric/Auxiliary Transmission Fluid Pump Motor Control Module. Customers may also comment on the following: ● Vehicle is in limp mode This bulletin involves replacing the transmission oil pump.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032847-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032847-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11032847","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P0B0D"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2022,"year_to":2025,"match":"exact","vehicle_ids":["2022_jeep_grand-cherokee","2023_jeep_grand-cherokee","2024_jeep_grand-cherokee","2025_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE 4XE","year_from":2022,"year_to":2025,"match":"base","vehicle_ids":["2022_jeep_grand-cherokee","2023_jeep_grand-cherokee","2024_jeep_grand-cherokee","2025_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE L","year_from":2022,"year_to":2025,"match":"exact","vehicle_ids":["2022_jeep_grand-cherokee-l","2023_jeep_grand-cherokee-l","2024_jeep_grand-cherokee-l","2025_jeep_grand-cherokee-l"]},{"make":"JEEP","model":"WRANGLER","year_from":2021,"year_to":2025,"match":"exact","vehicle_ids":["2021_jeep_wrangler","2022_jeep_wrangler","2023_jeep_wrangler","2024_jeep_wrangler","2025_jeep_wrangler"]},{"make":"JEEP","model":"WRANGLER 4XE","year_from":2021,"year_to":2025,"match":"base","vehicle_ids":["2021_jeep_wrangler","2022_jeep_wrangler","2023_jeep_wrangler","2024_jeep_wrangler","2025_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":[]}