{"nhtsa_id":10229788,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-01-17","date":"2022-12-02","document_id":"21-034-22","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM; EXTERIOR LIGHTING","mfr_system":null,"summary":"Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Uponfurther investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set: P0735 - Gear 5 Shift Incorrect Ratio. Customers may comment on one or more of the following: Low speed tip in bumps/hesitation. Low speed coast down bump in tow/haul mode. The following enhancement is also available: Low speed coast down throttle improvements during hot/cold conditions/faulted HybridControl Processor (HCP) system state.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10229788-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10229788-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10229788","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"lighting","name":"Lighting","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P0735"],"topics":[],"vehicles":[{"make":"RAM","model":"1500","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_ram_1500"]}],"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":[]}