Nissan Ariya 2023–2025 — technical service bulletin
Bulletin NTB25-032B · NHTSA communication 11031697 · issued Mar 31, 2026
Technical service bulletin
communication type
Electrical System
component
2023–2025
model years
3
vehicle entries
Official summary
HVAC INSUFFICIENT COOLING CONCERNS IF YOU CONFIRM The customer states a lack of comfort due to insufficient cooling, AND The outside ambient temperature is considered hot, for example around 40°C (104°F). ACTION Follow the SERVICE PROCEDURE in this bulletin to: 1. Confirm the current Amplifier-Control, Air Conditioner (A/C auto amp) part number. 2. Reprogram the A/C auto amp, if applicable. 3. Confirm the current Controller Assy – Refrigerator (Heat pump control unit) part number. 4. Reprogram the Controller Assy – Refrigerator (Heat pump control unit) after reprogramming the A/C auto amp, if
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.