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The air conditioning turns off randomly while driving

Q: What are the symptoms of The air conditioning turns off randomly while driving in Kia Telluride?

Problem visible at standstill or in traffic. Problem appears while driving. Irregular A/C operation. Weak or no heating in winter

Q: How to fix The air conditioning turns off randomly while driving in Kia Telluride?

Updating the air conditioning controller via the KDS connector at an authorized service center. No part replacement. Do you have a cold SUV in the middle of winter at idle? Don't bother cleaning the heater or replacing the thermostat! This is just a software glitch resolved in TSB CLI-055.

in Kia Telluride (2020-2023)

Symptoms

Problem visible at standstill or in traffic
Problem appears while driving
Irregular A/C operation
Weak or no heating in winter

DTC error codes

Brak

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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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