{"nhtsa_id":10229806,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-01-17","date":"2022-12-13","document_id":"08-231-22","mfr_campaign":null,"replaces":null,"component":"STRUCTURE; ELECTRICAL SYSTEM; EXTERIOR LIGHTING; VISIBILITY; PARKING BRAKE","mfr_system":null,"summary":"Flash: Heating, Ventilation and Air Conditioning (HVAC) Module Updates This bulletin involves reprogramming the HVAC control module with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination with one or more of the following Diagnostic Trouble Codes (DTCs) or the symptom/conditions listed below: ? U1710-86 - Implausible Data Received From HVAC. ? U1710-87 - ACM (Automatic Climate Module) On B CAN - Missing Message. ? The HVAC control for the air conditioning/heating outlet control, fan speed or other controls maybe inoperative after a Body Control Module (BCM) had been replaced. ? The rear defrost/heated mirror LED indicator on the HVAC controller does not illuminate when the button is depressed (2014 MY only).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10229806-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10229806-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10229806","components":[{"id":"structure-body","name":"Body and frame","parent":null},{"id":"brakes","name":"Brakes","parent":null},{"id":"electrical","name":"Electrical system","parent":null},{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"lighting","name":"Lighting","parent":null},{"id":"parking-brake","name":"Parking brake","parent":"brakes"}],"codes":["U1710"],"topics":[],"vehicles":[{"make":"RAM","model":"PROMASTER","year_from":2014,"year_to":2019,"match":null,"vehicle_ids":[]}],"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":[]}