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Air conditioning stopped cooling / no response to AC button

Q: What are the symptoms of Air conditioning stopped cooling / no response to AC button in Hyundai Venue?

Irregular A/C operation. No blowing from vents. Air conditioning does not turn on

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

Separating the grounding points, finding and re-insulating the frayed harness above the pedals from the cabin side. Buffalo in the room (Epic Troubleshooting). The mechanic will install pressure gauges, drain the gas with nitrogen 10 times, and finally lower the blind in the workshop in panic, because the compressor, leaving the channel, 'magically' returns when changing from first gear to second gear. Check the grounding in the legs above the clutch (G-11, G-12 points).

in Hyundai Venue

Symptoms

Irregular A/C operation
No blowing from vents
Air conditioning does not turn on

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

Crossover SUV

Refrigerant: R1234yf Amount (g): 450g Oil: - Oil (ml): - ml

See full specification

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Air conditioning stopped cooling / no response to AC button

Symptoms

DTC error codes

A/C Technical Specifications

Other problems in Venue

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