Missing message from instrument cluster/abs/esp (everything on can-bus)

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Topic: Missing message from instrument cluster/abs/esp (everything on can-bus) (Read 8392 times)

ddillenger

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	Missing message from instrument cluster/abs/esp (everything on can-bus) « on: February 16, 2013, 12:38:36 PM »

Any idea what could cause this? VCDS scan below. To me it looks like something is preventing communication on the can-bus, but what could it be? All modules are detected, all soft coding is correct. Have verified ground integrity at the modules, battery voltage is good, car runs well.

Not that it isn't clear in the scan, but car is a 2001.5 s4 with esp/abs.

-------------------------------------------------------------------------------
Address 01: Engine Labels: 078-907-551-AZA.lbl
   Part No: 8D0 907 551 M
   Component: 2.7l V6/5VT G 0002
   Coding: 06711
   Shop #: WSC 00001
   VCID: 3469CA6D04B2FBB8F54

3 Faults Found:
18057 - Powertrain Data Bus
   P1649 - 35-00 - Missing Message from ABS Controller
17931 - Crash Signal from Airbag Controller
   P1523 - 35-00 - Implausible Signal
18058 - Powertrain Data Bus
   P1650 - 35-00 - Missing Message from Instrument Cluster
Readiness: 0110 0100

-------------------------------------------------------------------------------
Address 03: ABS Brakes Labels: 8D0-907-389.lbl
   Part No: 8D0 907 389 E
   Component: ABS/ESP allrad D36
   Coding: 04395
   Shop #: WSC 06435
   VCID: 356FF7690FC8E2B0C2A

2 Faults Found:
01203 - Electrical Connection between ABS and Instrument Cluster
   03-10 - No Signal - Intermittent
18258 - Powertrain Data Bus
   P1850 - 35-00 - Missing Message from ECU


« Last Edit: February 16, 2013, 12:40:43 PM by ddillenger »	Logged

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prj

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	Re: Missing message from instrument cluster/abs/esp (everything on can-bus) « Reply #1 on: February 16, 2013, 12:56:36 PM »

Make sure CAN is not short to plus, short to ground, and that the ECU connector is fine.


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sweegie

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	Re: Missing message from instrument cluster/abs/esp (everything on can-bus) « Reply #2 on: February 16, 2013, 03:13:48 PM »

Is the bus termination ok? What impedance are you getting between the high and low cables?


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imolasb5

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	Re: Missing message from instrument cluster/abs/esp (everything on can-bus) « Reply #3 on: February 16, 2013, 08:33:58 PM »

I have had pretty much these same codes for about 6 months now. I haven't found a resolution yet. It seems that some people see it being caused by a popped fuse, but not my problem.


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ddillenger

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	Re: Missing message from instrument cluster/abs/esp (everything on can-bus) « Reply #4 on: March 06, 2013, 11:05:17 AM »

Resolution (because I hate when people don't update their threads)

The large red plug under the ecu was half out. All sorted now.


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adeyspec

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	Re: Missing message from instrument cluster/abs/esp (everything on can-bus) « Reply #5 on: March 06, 2013, 11:49:52 AM »

shame mine isnt the same issue Huh

similar codes though


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ddillenger

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	Re: Missing message from instrument cluster/abs/esp (everything on can-bus) « Reply #6 on: March 06, 2013, 11:51:57 AM »

Your issue is the ecu. Methinks it uses a different protocol to communicate between the modules in the car.


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sweegie

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	Re: Missing message from instrument cluster/abs/esp (everything on can-bus) « Reply #7 on: March 06, 2013, 01:16:49 PM »

Quote from: ddillenger on March 06, 2013, 11:05:17 AM

The large red plug under the ecu was half out. All sorted now.

yes, i can see how that would give you problems Grin


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