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carboncow

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Discussion starter · #1 ·
2 Faults Found:
00668 - Supply Voltage Terminal 30
002 - Lower Limit Exceeded - Intermittent

00470 - Company Comfort Databus in Single Wire
011 - Open Circuit

Anyone had similar?

Had entire get soaked a few months back. Found corroded can bus wire under drivers side mentioned on here and a few forums. T2 has run fine since then and noted no other errors but a recent ABS light made me pull codes tonight and saw this come up.

Thoughts?

2008 V6.
 
Clear codes them and see if they come back. The first two 00668 & 002 I would ignore for now. That is usually battery voltage got low at some point in time since you last cleared the codes. Very common and usually nothing to worry about.

The 00470 and 011 would concern me, but if you have not cleared codes since you fixed the wire, that would explain them.

Clear codes and rescan. If no codes come back the you are fine.

Remember to put it on the battery charger/maintainer. I have seen it take 15 minutes to pull and clear codes and then rescan. Sometimes 15 minutes is all it takes for every single module to error out with voltage low warnings.

The canbus works over two separate wires. Single wire error means that at one point the high speed (two wire) link was down but the car computer was able to work in a low speed (single wire) communication mode. So now you see the connection with your last repair.
 
Discussion starter · #3 ·
Cleared codes twice today and the two came back immediately. I noted there is a third one that comes back each time which is an echo of the "single wire" in a different group. The three are as follows...

----------------------------------------------------------------- Address 17: Instruments Labels: 7L6-920-xxx-7L6.lbl Part No SW: 7L6 920 975 L HW: 7L6920975L Component: J285 KOMBI-INST. 7320 Revision: KHH05V03 Coding: 0005201 Shop #: WSC 31414 790 00001 VCID: 45CDC2175AD0F66968B5FB2F51-8010

1 Fault Found: 00470 - Company Comfort Databus in Single Wire 011 - Open Circuit

----------------------------------------------------------------- Address 19: CAN Gateway Labels: 6N0-909-901-19.lbl Part No SW: 6N0 909 901 HW: 7L6920975L Component: J533 GW-K-CAN TP20 7320 Coding: 77E2F7BB63066002 Shop #: WSC 31414 790 00001 VCID: F0A3C3C3B5D283C16B635253E6-80A5

1 Fault Found: 00470 - Company Comfort Databus in Single Wire 011 - Open Circuit

----------------------------------------------------------------- Address 46: Central Conv. Labels: 7L0-959-933.lbl Part No SW: 7L6 959 933 A Component: 19 HSG 0600 Coding: 0000085 Shop #: WSC 31414 790 00001 VCID: 40C3D30345F2D2415B83C21396-4B1E Subsystem 1 - Part No SW: 7L0-959-701-P Component: Tuersteuergeraet FS 6302 Subsystem 2 - Part No SW: 7L0-959-702-P Component: Tuersteuergeraet BF 6302 Subsystem 3 - Part No SW: 7L0-959-703-D Component: Tuersteuergeraet HL 0201 Subsystem 4 - Part No SW: 7L0-959-704-D Component: Tuersteuergeraet HR 0201

1 Fault Found: 00470 - Company Comfort Databus in Single Wire 011 - Open Circuit

I noted from the write-ups about the corroded wire that is taped together (under the drivers floor) that the write up stated other wires were to be repaired too...but I never noted as many taped wires to consider as the author stated.

Is this most likely another wire running under there that needs love or something more with a module that got wet?

I'm have tempted to talk the dealer (for once) and see how experienced they are on this needle in a haystack stuff...or just sell it.

What issues does single wire possess? Have I simply lost redundancy?
 
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