What are the symptoms of A/C cooling is weak and gradually loses performance in Hyundai ix35?

Musty mold odor from vents. Fogging windows

High Priority 100% confidence

A/C cooling is weak and gradually loses performance

Q: How to fix A/C cooling is weak and gradually loses performance in Hyundai ix35?

Removal of the bumper, replacement of the condenser (e.g. 97606-2W001) and OBLIGATION of the dryer cartridge. Never replace the condenser without the dryer on these models! The open system draws moisture from the air, which mixes with the oil to form acid. The acid will seize your pump a month after your bumper repair.

in Hyundai ix35 (2013-2021)

Symptoms

Musty mold odor from vents
Fogging windows

DTC error codes

Brak

Verifying license...

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

Standard

Refrigerant: R134a Amount (g): 510g Oil: FD46XG PAO 68 lub PAG ISO 46 Oil (ml): 120ml

See full specification

Have this problem?

Generate a personalized AI report for your Hyundai ix35 or book a workshop visit.

Generate AI report Schedule visit