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No airflow from specific vents or clicking noise behind dashboard

Q: What are the symptoms of No airflow from specific vents or clicking noise behind dashboard in Rivian R1S?

Unusual noises when A/C is turned on. Frost or ice on pipes under the hood

Q: How to fix No airflow from specific vents or clicking noise behind dashboard in Rivian R1S?

(1) VIBRATION: Installation of special isolating brackets and rubber washers (TPI RSB-93-24-001). (2) CALIBRATION: HVAC Reset - Left knob + voice button for 15 seconds. Resetting the HVAC in Rivian is the first thing to do after each OTA update if the air conditioning behaves strangely. Free and takes 20 seconds.

in Rivian R1S (2021-2025)

Symptoms

Unusual noises when A/C is turned on
Frost or ice on pipes under the hood

DTC error codes

RSB-93-24-001

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Technical diagnosis (Premium)

Recognized technical fault:

Auxiliary controller voltage instability detected

Technical analysis

Detailed analysis of HVAC controller operation parameters, CAN bus data readings, and diagnostic signal waveforms. Purchase PRO access or log in to read the full fault analysis.

Confirmed solution

Complete step-by-step repair procedure including module non-volatile memory reset, sensor calibration, and correct wiring routing. Unlock the full report to see the instruction.

Parts needed

Filters ferrite anti-interference / noise suppressor
Auxiliary starting battery (depending on cell status)

Workshop hacks

Important workshop tips for mechanics regarding bypasses without expensive control module replacement and manufacturer software service bulletins.

TSB / TPI service bulletins

TSB-24-HVAC-01TPI-2068943/2

A/C Technical Specifications

Refrigerant specifications for this model are available in the catalog.

Open refrigerant database

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