{"nhtsa_id":10220955,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-26","date":"2021-03-12","document_id":"2100821","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN","mfr_system":null,"summary":"Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs:P0732-00 - Gear 2 Shift Incorrect Ratio(Software Has Been Updated to Better Address This Concern). P0887-00 - TCM Power Control Circuit High. P1B13-00 - Park By Wire Unintended Out Of Park Position. P1DCD-00 - TCM Monitoring Processor Performance Multiple Clutches Locked Up. U0103-00 - Lost Communication With Electric Gear Shift Module. P1CC9 - Unable To Engage Gear. P1DDE-00 - Ignition Run/Start Input 1-2 Correlation. The customers may also experience the following:Harsh upshifts, 1-2, 2-3, 3-4, or 4-5. Harsh coasting downshift, while braking when the vehicle is near a complete stop. The following improvement is also included in this update:Shifter interlocking improvement in an event of brake signal loss to the TCM.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10220955-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10220955-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10220955","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P0732","P0887","P1B13","P1CC9","P1DCD","P1DDE","U0103"],"topics":[],"vehicles":[{"make":"CHRYSLER","model":"PACIFICA","year_from":2017,"year_to":2017,"match":"exact","vehicle_ids":["2017_chrysler_pacifica"]}],"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":[]}