RAM Promaster 2014–2019 — technical service bulletin
Bulletin 24-005-19 · NHTSA communication 10162564 · issued May 18, 2019
Technical service bulletin
communication type
Equipment
component
2014–2019
model years
6
vehicle entries
Official 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
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.