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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 Dacia Lodgy?

Physical replacement of the thermostatic expansion valve (TXV) with a set of dedicated O-ring seals, and then vacuum filling the system with the recommended amount of refrigerant and oil.

in Dacia Lodgy (2010-2018)

Symptoms

Air conditioning works intermittently

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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

silnik: K7M/K9K/H5F kompresor Calsonic

Refrigerant: R134a Amount (g): 475g Oil: DH-PR/PAG 488 PAO 68 lub PAG ISO 100 Oil (ml): 150ml

silnik: K7M/K9K/H5F kompresor Valeo

Refrigerant: R134a Amount (g): 475g Oil: ZXL200PG/PAG 488 PAO 68 lub PAG ISO 100 Oil (ml): 80ml

See full specification

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Air conditioning stopped cooling / no response to AC button

Symptoms

A/C Technical Specifications

Other problems in Lodgy

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