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OK, I got the yellow symbol on the cluster for the oil sensor (oil level/temp switch).
Switch was replaced but the sensor light is still on. Second, I'm planning to upgrade my transmission (the weakest link other than the DRC) but lately I've noticed slight slippage during hard acceleration. Third, I installed a RNS-E which works great, sounds great! But since installation, I always get 2 codes while scanning; 00625 and 02005. I did a scan this morning and here's the readout;
Thursday,18,December,2008,09:38:43:62497
VCDS Version: Release 805.1
Data version: 20081017

--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


Chassis Type: 4B - Audi A6 C5
Scan: 01 02 03 06 08 15 16 17 18 34 35 36 37 45 55 56 57 65 67 75
76 77

VIN: WUAPV64BX3N904642
-------------------------------------------------------------------------------
Address 01: Engine Labels: 077-907-558-BCY.lbl
Part No: 4D1 907 558 D
Component: 4.2l V8/5VT G 0003
Coding: 0006752
Shop #: WSC 02559 776 31376

1 Fault Found:
18062 - Please check DTC Memory of Instrument Cluster
P1654 - 004 - No Signal/Communication
Readiness: 0000 0000

-------------------------------------------------------------------------------
Address 02: Auto Trans Labels: 01L-927-156.lbl
Part No: 4B0 927 156 FL
Component: AG5 01L 4.2l5VT USA 0305
Coding: 0000002
Shop #: WSC 00000 785 00200

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes Labels: 4B0-614-517.lbl
Part No: 4B0 614 517 AD
Component: ESP 5.7 RS 6 2310
Coding: 06697
Shop #: WSC 00000

1 Fault Found:
01119 - Gear Recognition Signal
35-10 - - - Intermittent

-------------------------------------------------------------------------------
Address 06: Seat Mem. Pass Labels: None
Part No: 4B0 959 760 C
Component: Sitzmemory R1 BF 0205
Coding: 00003
Shop #: WSC 00000

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC Labels: Redir Fail!
Part No: 4B0 820 043 AR
Component: A6-Klimavollautomat 0208
Coding: 00010
Shop #: WSC 00000

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags Labels: None
Part No: 4B0 959 655 Q
Component: Airbag 8.4EP 2001
Coding: 0000607
Shop #: WSC 00000 785 00200

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments Labels: 4B0-920-xxx-17.lbl
Part No: 4B0 920 983 D
Component: KOMBI+WEGFAHRS. VDO D13
Coding: 03284
Shop #: WSC 02120
WUAPV64BX3N904642 AUZ7Z0C2422946

3 Faults Found:
01302 - Control Module for Telematic (J499)
49-00 - No Communications
00562 - Sensor for Oil Level/Temperature (G266)
30-00 - Open or Short to Plus
00562 - Sensor for Oil Level/Temperature (G266)
27-10 - Implausible Signal - Intermittent

-------------------------------------------------------------------------------
Address 35: Centr. Locks Labels: 4B0-962-258.lbl
Part No: 4B0 962 258 M
Component: Central Lock/Alarm D38
Coding: 15981
Shop #: WSC 02120

No fault code found.

-------------------------------------------------------------------------------
Address 36: Seat Mem. Drvr Labels: None
Part No: 4B0 959 760 B
Component: Sitzmemory R1 F 0204
Coding: 00001
Shop #: WSC 00000

No fault code found.

-------------------------------------------------------------------------------
Address 37: Navigation Labels: 8E0-035-192-RNSE.lbl
Part No SW: 8E0 035 192 P HW: 8E0 035 192 P
Component: RNS-E US3 H74 0200
Revision: 03S Serial number: AUZBZ7G2403985
Coding: 0519611
Shop #: WSC 06325 000 00000

2 Faults Found:
00625 - Vehicle Speed Signal
004 - No Signal/Communication
Freeze Frame:
Fault Status: 01100100
Fault Priority: 5
Fault Frequency: 1
Reset counter: 68
Time Indication: 0
Date: 2008.11.29
Time: 16:47:09

Freeze Frame:
Mileage: 655350 km
Count: 2911
Clock: 16:47

02005 - Coding Pin
004 - No Signal/Communication
Freeze Frame:
Fault Status: 01100100
Fault Priority: 5
Fault Frequency: 1
Reset counter: 68
Time Indication: 0
Date: 2008.11.14
Time: 13:13:41


-------------------------------------------------------------------------------
Address 55: Xenon Range Labels: 4Z7-907-357.lbl
Part No: 4Z7 907 357
Component: dynamische LWR D09
Coding: 00050
Shop #: WSC 00000

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio Labels: 8E0-035-192-RNSE.lbl
Part No SW: 8E0 035 192 P HW: 8E0 035 192 P
Component: RNS-E US3 H74 0200
Revision: 03S Serial number: AUZBZ7G2403985
Coding: 0519611
Shop #: WSC 06325 000 00000

2 Faults Found:
00625 - Vehicle Speed Signal
004 - No Signal/Communication
Freeze Frame:
Fault Status: 01100100
Fault Priority: 5
Fault Frequency: 1
Reset counter: 68
Time Indication: 0
Date: 2008.11.29
Time: 16:47:09

Freeze Frame:
Mileage: 655350 km
Count: 2911
Clock: 16:47

02005 - Coding Pin
004 - No Signal/Communication
Freeze Frame:
Fault Status: 01100100
Fault Priority: 5
Fault Frequency: 1
Reset counter: 68
Time Indication: 0
Date: 2008.11.14
Time: 13:13:41


-------------------------------------------------------------------------------
Address 75: Telematics Labels: None
Part No SW: 8E0 035 616 A HW: 8E0 035 616 A
Component: Telematik USA1
Coding: 0002003
Shop #: WSC 00000 785 00200

No fault code found.

-------------------------------------------------------------------------------
Address 76: Park Assist Labels: 8Z0-919-283.lbl
Part No: 8Z0 919 283
Component: Parkingsyst. A6 RDW D08
Coding: 01116
Shop #: WSC 00000

No fault code found.

End ---------------------------------------------------------------------

Thanks in advance.

The RNS-E errors are simple enough:

1) your speed signal wire is not connected - and it must be on a C5 A6 since there is no speed signal on the CANbus for the RNS-E to use.

2) your coding does not match the state of the Bose pin. If you have Bose then the pin must be grounded AND you must code for Bose. If you don't have Bose then the pin must be open circuit and you must code for non-Bose.

There's a site dedicated to retrofitting the RN-E and MMI - see http://audiforum.us

Thanks. I have a C5 RS 6, I'm not sure about the CAN-BUS. I ran the wire behind the instrument cluster, is this the speed signal wire? Is the wire harness different for BOSE and NON-BOSE? I'm installing a Multimedia adapter some time in the coming weeks so I'll verify the harness and grounding status. What about the "check DTC Memory of Instrument Cluster" code?

snoopra wrote:I ran the wire behind the instrument cluster, is this the speed signal wire?

That description isn't enough to tell. What pin on the RSN-E did you connect to what pin on the instrument cluster?

snoopra wrote:Is the wire harness different for BOSE and NON-BOSE?

Bose doesn't need anything connected to the RNS-E A connector (all the speakers are amplified with Bose), and some adapters suppliers ground the Bose pin directly (which is stupid because routing it through to the Bose pin on the adapter would mean they would be able to make a common adapter for Bose and non-Bose).

snoopra wrote:What about the "check DTC Memory of Instrument Cluster" code?

Sorry, I don't have a clue about that one.

snoopra wrote:What about the "check DTC Memory of Instrument Cluster" code?

All this is telling you is to check the fault codes (DTC=Diagnostic trouble codes) in the Instrumnet cluster (17)

Virdee Autos wrote:

snoopra wrote:What about the "check DTC Memory of Instrument Cluster" code?

All this is telling you is to check the fault codes (DTC=Diagnostic trouble codes) in the Instrumnet cluster (17)

Which is probably showing a code about a communication error with the RNS-E - possibly an intermittent one from when you did the swap.

Clear the codes and see where you are, clear out the modules that have no faults and send the rest in. Check the wiring to the oil sensor too...

I followed installation instructions from http://www.htms.org/ but this website is down now. Not sure which pin is connected behind the inst cluster.
I'll clear the DTC in 17 and check the oil switch wiring. Thanks

OK, still can't figure out what is 'incorrectly coded" on the RNS-E. Cleared. DTC in inst block 17, still have code. Unable to trace oil switch wiring without pulling motor. Any other suggestions?

Tuesday,23,June,2009,19:22:32:62497
VCDS Version: Release 805.4
Data version: 20090602

--------------------------------------------------------------------------------
--------------------------------------------------------------------------------

Chassis Type: 4B - Audi RS6 C5
Scan: 01 02 03 06 08 15 16 17 18 34 35 36 37 45 55 56 57 65 67 75
76 77

VIN: WUAPV64BX3N904642
-------------------------------------------------------------------------------
Address 01: Engine Labels: None
Part No: 4D1 907 558 D
Component: 4.2l V8/5VT G 0003
Coding: 0006752
Shop #: WSC 02559 776 31376

1 Fault Found:
18062 - Please check DTC Memory of Instrument Cluster
P1654 - 004 - No Signal/Communication
Readiness: 0000 1101

-------------------------------------------------------------------------------
Address 17: Instruments Labels: 4B0-920-xxx-17.lbl
Part No: 4B0 920 983 D
Component: KOMBI+WEGFAHRS. VDO D13
Coding: 03284
Shop #: WSC 02120
WUAPV64BX3N904642 AUZ7Z0C2422946

2 Faults Found:
01302 - Control Module for Telematic (J499)
49-00 - No Communications
00562 - Sensor for Oil Level/Temperature (G266)
30-10 - Open or Short to Plus - Intermittent

-------------------------------------------------------------------------------
Address 37: Navigation Labels: 8E0-035-192-RNSE.lbl
Part No SW: 8E0 035 192 P HW: 8E0 035 192 P
Component: RNS-E US3 H74 0200
Revision: 03S Serial number: AUZBZ7G2403985
Coding: 0519611
Shop #: WSC 06325 000 00000

2 Faults Found:
00625 - Vehicle Speed Signal
004 - No Signal/Communication
Freeze Frame:
Fault Status: 01100100
Fault Priority: 5
Fault Frequency: 1
Reset counter: 95
Time Indication: 0
Date: 2009.06.21
Time: 17:19:23

Freeze Frame:
Mileage: 655350 km
Count: 2106
Clock: 17:19

01044 - Control Module Incorrectly Coded
000 - -
Freeze Frame:
Fault Status: 01100000
Fault Priority: 7
Fault Frequency: 1
Reset counter: 95
Time Indication: 0
Date: 2009.06.20
Time: 19:53:41

end ---------------------------------------------------------------------

snoopra wrote:OK, still can't figure out what is 'incorrectly coded" on the RNS-E.
-------------------------------------------------------------------------------
Address 37: Navigation Labels: 8E0-035-192-RNSE.lbl
Part No SW: 8E0 035 192 P HW: 8E0 035 192 P
Component: RNS-E US3 H74 0200
Revision: 03S Serial number: AUZBZ7G2403985
Coding: 0519611
Shop #: WSC 06325 000 00000

2 Faults Found:
00625 - Vehicle Speed Signal
004 - No Signal/Communication
Freeze Frame:
Fault Status: 01100100
Fault Priority: 5
Fault Frequency: 1
Reset counter: 95
Time Indication: 0
Date: 2009.06.21
Time: 17:19:23

Freeze Frame:
Mileage: 655350 km
Count: 2106
Clock: 17:19

01044 - Control Module Incorrectly Coded
000 - -
Freeze Frame:
Fault Status: 01100000
Fault Priority: 7
Fault Frequency: 1
Reset counter: 95
Time Indication: 0
Date: 2009.06.20
Time: 19:53:41

Your RNS-E is saying that the speed signal is missing on the external speed wire that the C5 platform requires - so that needs checking.

Regarding coding, your coding is 519611 which translates to:

5 = C5 A6/S6/RS6
1 = front speaker diagnostics off (this can be 0 even with Bose but this won't cause the coding error)
9 = Bose
6 = US spec phone module - is this correct?
1 = no additional tuners
1 = no CD changer, no MFSW, no TV tuner - is this correct?

snoopra wrote:Address 17: Instruments Labels: 4B0-920-xxx-17.lbl
Part No: 4B0 920 983 D
Component: KOMBI+WEGFAHRS. VDO D13
Coding: 03284
Shop #: WSC 02120
WUAPV64BX3N904642 AUZ7Z0C2422946

2 Faults Found:
01302 - Control Module for Telematic (J499)
49-00 - No Communications
00562 - Sensor for Oil Level/Temperature (G266)
30-10 - Open or Short to Plus - Intermittent

Why have you coded the instruments to communicate with the telematics module?

Thanks for the response Dave.
With the radio coding, I don't have a phone module. I do have a multimedia adapter with a DVD player. What should the coding be?

The telematics module coding was there when I got the car, how do I change it or what should the coding be?

Next question. Could the incorrect coding cause the short code on the oil switch?

snoopra wrote:Next question. Could the incorrect coding cause the short code on the oil switch?

No.