What are the symptoms of Air conditioning stopped cooling / no response to AC button in Kia Ceed?

Air conditioning does not turn on. Problem after collision or accident

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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 Ceed?

Finding a cut/rotten cable in the left wheel arch and professional soldering with a heat shrink tube. A classic of electro-mechanics. Applying 'current briefly' revives the system. Remove the left plastic wheel arch, look for the green tarnish on the cables and repair it for five zlotys.

in Kia Ceed (2006-2012)

Symptoms

Air conditioning does not turn on
Problem after collision or accident

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: R1234yf Amount (g): 480g Oil: PAG46yf Oil (ml): 110ml

Refrigerant: R1234yf Amount (g): 500g Oil: PAG46yf Oil (ml): 150ml