NHTSA service bulletin

NHTSA Service Bulletin 10229806: 2014-2019 Ram Promaster

Official manufacturer communication context for 2014-2019 Ram Promaster, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 10229806 summary graphic for 2014-2019 Ram Promaster
10229806NHTSA document ID
Manufacturer communicationcommunication type
1affected product rows
82/100quality score

Reviewed June 2026 from NHTSA manufacturer communication and service bulletin records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.

Quick answer

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).

What this bulletin may mean before buying

Treat this as service research, not a verdict on one car. Before you buy, compare this communication with official recall campaigns, model-level owner complaint patterns, and the exact vehicle’s VIN-decoded specifications. A bulletin can help you ask a seller or dealer sharper questions about software updates, known repairs, warranty extensions and service history.

Affected products listed in this communication

MakeModelModel yearsBuyer note
RamPromaster2014-2019Ask for service records and run the exact VIN before purchase.

Buyer checklist

  1. Run the 17-character VIN and confirm the year, make, model, engine and equipment match the listing.
  2. Check recall campaign pages for safety actions that may require dealer repair.
  3. Compare this bulletin with common problem pages for the same model and component area.
  4. Ask the seller or dealer whether the bulletin procedure, update or inspection has already been completed.
  5. Use the used-car buying checklist and get an independent inspection.

Frequently asked questions

What is NHTSA service bulletin 10229806?

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.

Is a service bulletin the same as a recall?

No. A recall is a safety campaign with a required remedy for affected VINs. A service bulletin or manufacturer communication usually describes diagnostic, repair, software, warranty or service information.

How should a used-car buyer use this bulletin?

Use it as a research signal. Compare it with recalls, owner complaints, service records, a VIN report and an independent inspection before buying.

Check the exact VIN before you buy

Model-level pages show public safety patterns. A full VIN report helps confirm the exact vehicle, decoded specs, recall applicability and buyer checks.

Get Full Report