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A/C cooling is weak at standstill or in traffic

Q: How to fix A/C cooling is weak at standstill or in traffic in SEAT Ibiza 6L?

Removal of the damaged, melted fuse box, installation of a brand new power management module above the battery, thorough cleaning of the cable terminals and installation of new blade fuses.

in SEAT Ibiza 6L (1998-2009)

Symptoms

No cold air from vents

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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

(6P) kompresor Delphi

Refrigerant: R134a Amount (g): 500g Oil: G 052 300 A2 PAO 68 lub PAG ISO 46 Oil (ml): 110ml

(6P) kompresor Denso

Refrigerant: R134a Amount (g): 500g Oil: G 052 300 A2 PAO 68 lub PAG ISO 46 Oil (ml): 90ml

V (6J) kompresor Denso

Refrigerant: R134a Amount (g): 500g Oil: G 052 300 A2 PAO 68 lub PAG ISO 46 Oil (ml): 140ml

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A/C cooling is weak at standstill or in traffic

Symptoms

A/C Technical Specifications

Other problems in Ibiza 6L

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