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ok, I just wonder if rear passat springs will fit cause rear suspension differs from passat and I wonder if ride height will be same front and rear. Any ideas how to sort ac?

Hi, I’ve got two issues with my Superb and could use some solid advice. 1) AC not working System has refrigerant – it was missing about 60g, so nothing major. The problem is the compressor doesn’t run at all (0 A, 0 rpm). Here are the faults: VCDS: Address 08: Auto HVAC Labels: None Control Module Part Number: ----------- HW: ----------- Component and/or Version: Climatronic 0709 Software Coding: 0000000000 Work Shop Code: WSC 00000 000 00000 ASAM Dataset: EV_Climatronic A01010 (SK46) ROD: EV_ClimaAutoBasis_SK46.rod VCID: 6FED66BBB69D05E323-803A 3 Faults Found: 9481988 - Air Quality Sensor B10AF 04 [00001001] - Internal System Fault Confirmed - Tested Since Memory Clear Freeze Frame: Fault Priority: 3 Fault Frequency: 254 Reset counter: 133 Mileage: 247154 km Date: 2026.02.07. Time: 18:09:59 9477872 - AC Compressor First Run-In B109E F0 [00001001] - Not Performed Confirmed - Tested Since Memory Clear Freeze Frame: Fault Priority: 2 Fault Frequency: 1 Reset counter: 42 Mileage: 247154 km Date: 2026.02.07. Time: 18:09:59 13636352 - Control module not coded U1013 00 [00001001] - - [New feature! Extended UDS fault detail is only supported by current gen. interfaces] Confirmed - Tested Since Memory Clear Freeze Frame: Fault Priority: 6 Fault Frequency: 1 Reset counter: 42 Mileage: 247154 km Date: 2026.02.07. Time: 18:09:59 Measured blocks: Address 08: Auto HVAC (-----------) 10:45:42 IDE00021 Engine speed 1000 /min IDE00025 Coolant temperature 72 °C IDE00198-ENG100282 Refrigerant pressure-MUX Kaeltemitteldruck 4.0 bar IDE00325 Diagnostic mode VW - diagnostic mode IDE00966 Compressor current: actual value 0.000 A IDE00968 Compressor speed 0 /min IDE00969 Compressor load 0.0 Nm IDE00973-ENG100004 Outside temperature-MUX Temperatur 10.0 °C IDE00993-MAS01281 Status of input signals 11-Back-up lamp OFF IDE01058 Country coding Germany IDE01420 Compressor shut-off requirement: penultimate Outside temperature too low IDE02472 Air-conditioning operation information heating Friday,06,March,2026,19:38:39:00009 VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64 VCDS Version: 25.3.1.1 Data version: 20250415 DS365.0 www.Ross-Tech.com Autocom: Climate (Climate control - Climatic) DTC Description B10AF04 - Air quality sensor, defect. - Permanent Date 31-14-2127 Distance indicator 256572 km Fault delay counter / driving cycle 42 Fault frequency counter 254 Priority 3 Time 10:49:37 B109EF0 - Control module; not coded - Permanent Date 31-14-2127 Distance indicator 256572 km Fault delay counter / driving cycle 134 Fault frequency counter 1 Priority 2 Time 10:49:37 U101300 - Control module; not coded - Permanent Date 31-14-2127 Distance indicator 256572 km Fault delay counter / driving cycle 134 Fault frequency counter 1 Priority 6-> information Time 10:49:37 The car is newly bought, no history. I don’t know if the Climatronic panel was replaced before. The Columbus unit is dead, not sure if that could affect the AC (I assume no, but mentioning just in case). What stands out: “control module not coded” “first run-in not performed” compressor completely inactive Where would you start: coding, basic settings, or checking compressor power supply straight away? 2) Mild lowering (daily use) I want to lower the car slightly, around 15–20 mm, nothing extreme. Thinking about springs from Passat B6 Sportline (around -19 mm). Questions: has anyone done this swap on Superb? how’s the comfort compared to stock? is it plug & play or are there any issues? No coilovers – it’s a daily, just want it a bit lower but still comfortable. Thanks in advance for any useful input 👍