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Parking Sensor fun and games!

Started by peterbaines, June 29, 2013, 07:03:02 PM

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June 29, 2013, 07:03:02 PM
Well, as I am sure enough people have had this issue before me I am hoping for some guidance/photographs....

I had the washer hose split - and dried out the PDC unit at the time... had 3 faults showing on VCDS so gave up.
Yesterday I cracked the unit open (Do a lot of electronic repair phones/tablets/laptops etc etc.) and noticed a lot of corrosion, so I have cleaned down with surgical spirit and flux (Expensive wash for a circuit board but hey, i want my parking sensors back!) i now only have 1 fault code showing when i clear them
VCDS says -
1 Fault Found:

01543 -  Parking Aid Warning Chime (H15)

        31-00 -  Open or Short to Ground


any one got any clues/pictures of what i should be looking for? (Speaker in the rear of the car is fine, as is the front one now...)
June 29, 2013, 07:43:37 PM #1
Good work :)

It might be worth swapping over the front and rear chime units (they are the same) just to rule out the chime unit and then maybe a continuity check on the wiring?
03 Ford Galaxy 1.9 TDI 115 Ghia in Spruce Green Metallic
With cream leather interior, Full Bodykit, Remapped at 145bhp, Lowered on 18's
17 Volkswagen Touareg 3.0 V6 Diesel in Slate Blue
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58 Ford Transit 2.2 TDI 115 in Frozen White
With retrofitted everything except another slidey door! :)
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June 29, 2013, 08:27:04 PM #2
tried with rear disconnected - will try swapping and report back - would be lovely if that was the answer :)
June 29, 2013, 10:04:26 PM #3
tried swapping - got 3 error codes back  >:(

just taken unit out again - had some activity from the front sound unit earlier so I know I'm getting close, just switch cleanered a bit i missed as it was scaled - also noticed scale on a few pin so cleaned them too
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