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Air conditioning stopped cooling / no response to AC button

Q: How to fix Air conditioning stopped cooling / no response to AC button in Kia EV6?

Bypass sensor replacement and directly replace AC compressor in high voltage environment.

in Kia EV6 (2022-2024)

Symptoms

No cold air from vents

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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

Electric

Refrigerant: R1234yf Amount (g): 550g Oil: POE PAO 68 AA1 Oil (ml): 180ml

CV (Bez pompy ciepła)

Refrigerant: R1234yf Amount (g): 750g Oil: POE (nieprzewodzący) Oil (ml): 180ml

CV (Z pompą ciepła)

Refrigerant: R1234yf Amount (g): 850g Oil: POE (nieprzewodzący) Oil (ml): 180ml

See full specification

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Air conditioning stopped cooling / no response to AC button

Symptoms

A/C Technical Specifications

Other problems in EV6

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