What are the symptoms of Unpleasant musty smell from the air vents in Toyota ProAce BEV?

Musty mold odor from vents. Fogging windows

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Unpleasant musty smell from the air vents

Q: How to fix Unpleasant musty smell from the air vents in Toyota ProAce BEV?

Performing a professional chemical cleaning and disinfection procedure (ozonation + evaporator ultrasound) and absolute replacement of the cabin filter with a filter with activated carbon and silver ions. In extreme cases of a strong, constant musty odor, it is necessary to replace the housing and core of the evaporator with a modernized version with a changed composition of insulating materials.

in Toyota ProAce BEV (2020-2022)

Symptoms

Musty mold odor from vents
Fogging windows

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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

19 dm² Sanden Bez Tyłu

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

19 dm² Sanden Z Tylnym Parownikiem

Refrigerant: R1234yf Amount (g): 775g Oil: - Oil (ml): - ml

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Unpleasant musty smell from the air vents

Symptoms

A/C Technical Specifications

Other problems in ProAce BEV

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