# Service bulletin 24\-005\-19

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.

- Type: Service bulletin
- NHTSA id: 10162564
- Published by NHTSA: 2019\-07\-15
- Manufacturer's number: 24\-005\-19
- Manufacturer's date: 2019\-05\-18
- NHTSA component: EQUIPMENT

## NHTSA's 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\(2014 MY only\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10162564-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10162564-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Equipment and accessories

## Trouble codes named

U1710

## Vehicles listed

- 2014 to 2019 RAM PROMASTER

JSON: [/v1/bulletins/10162564](/v1/bulletins/10162564)

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