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Does this mean that the switch is bad, or that something is triggering it? Vag scan inside

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Old 08-25-2008, 05:14 PM
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Default Does this mean that the switch is bad, or that something is triggering it? Vag scan inside

Monday,25,August,2008,20:54:35:57405
VCDS Version: Release 805.1

Address 08: Auto HVAC
Control Module Part Number: 8D0 820 043 N
Component and/or Version: A4 KLIMAAUTOMAT D53
Software Coding: 00160
Work Shop Code: WSC 06335
Fault Codes have been Erased

1 Fault Found:
2 - A/C Pressure Switch (F129)
31-00 - Open or Short to Ground


My A/C doesn't work, and I'd like it to. Could it be as simple as replacing the saftey switch?
Old 08-26-2008, 07:29 AM
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Default Yes, I think bad switch

What year is it? What engine? Yes it looks like the switch is bad. You can test the switch with an ohm meter, and you can remove the switch without discharging the system. I have gone to a wrecking yard and removed a switch for pennies and have fixed this problem.
Old 08-26-2008, 08:12 AM
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Thats good news. 99.5 AHA
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