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Discussion Starter · #1 ·
I've decided to go down the route of fitting the timer and remote to my heater. At the moment within VCDS I get this error and Address 18 won't connect.

Address 08: Auto HVAC Labels: 7L6-907-040.clb
Part No: 7L6 907 040 T
Component: CLIMAtronic R/L 4222
Coding: 0000530
Shop #: WSC 31414 000 00000
VCID: 41DF4C213D9E8233C0D-5184

2 Faults Found:
01592 - Air Quality Sensor (G238)
010 - Open or Short to Plus
01207 - Control Module for Auxiliary Heater (J364)
004 - No Signal/Communication

After I've switched off the car if I pull the 20 amp aux heat fuse and put it back in the heater spins up temporarily and I can feel air from its exhaust.

As it's its a European car I'm not sure if I will need to go down the circuitboard replacement anyway.
 

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I would post on Ross-tech for a solution. Perhaps the #18 circuit board is not getting power.
 
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