INTERMITTENT IMPLAUSIBLE

VW POLO 9N HIGHLINE

The VW Polo comes in three flavours viz. the 9N1, 9N2 and the 9N3, dating from 2002-2009.  The Skoda Fabia and the Seat Ibiza/Cordoba share many of the 9N trates but omit Address 25 since all their onboard control module functions are not identical. In the case of the VW Polo, it shares the coding in Address 17 with Address 25 because they are linked, but this applies morso to the 9N3. However, the easiest way to recognised the 9N and its clones, are by the 6Q0, 6Q1, 6L0, 6N0 and 6R0 modules which are also populated in the Polo 6N range. The interesting thing is that even though some module are the same in both its hardware and software, they have different codings specified. 

It is understandable, since the coding value is subject to the collective components fitted because the coding is a sum of the binary value applicable to the individual components. This can be seen in the three scans below. Be that as it may, module coding seems to be a huge problem with most vehicle owners who do their own repairs, however I have also seen qualified mechanicians struggle for days to get a car back to its readiness state. The status chart below is what every VAG driver / owner desires from their vehicle, but  is often totally elusive.

01-Engine -- Status: OK 0000
03-ABS Brakes -- Status: OK 0000
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- Status: OK 0000
15-Airbags -- Status: OK 0000
17-Instruments -- Status: Status: OK 0000
19-CAN Gateway -- Status: Status: OK 0000
25-Immobilizer -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
56-Radio -- Status: OK 0000

Readiness: 0 0 0 0 0  / Gata de funcþie: 0 0 0 0 0 / Tests passés: 0 0 0 0 0

VCDS FAILED READINESS SETTING

What I have found, is that when a component that contributes to the module coding value malfunctions, the scan reads "1 Fault Found: 01044 - Control Module Incorrectly Coded" but if the malfunctioning component is first repaired or replaced, and the fault is cleared, the  01044 code does not return since the checksum of the module is once again correct. Many vehicles owners see this 01044 code and start changing module codes, normally just to see what happens. But, and a big but at that, before I continue, I need to stress that it's imperative to print out a scan of the faults and the module codings before any repairs are attempted, so that, if there is a problem, you can always revert back to the original coding. Failure to so could incapacitate your car until it can be correctly re-coded which could be both time consuming and expensive. Implausible and Intermittent (implausible  intermittent signal) problems on VAG cars are rife or rather intermittent and implausible  (implausible  intermittent signal)  problems on all cars are rife ever since control modules were introduced. The main reason for this is bad, poor or intermittent electrical contact, especially  considering the vast increased in the number of multi-pin plugs and sockets and edge connectors. Because vehicles move,  the  forces on the electrical connections constantly changes and that's besides the expansions caused by heat and the contractions caused by cold, and the corrosive effect of the weather on vehicles. Hence intermittent problems in all languages abound. What follows is just a sampling of the intermittent and implausible (implausible  intermittent signal) error codes we could encounter.

01314 - Engine Control Module
013 - Check DTC Memory - Intermittent

00816 - Sensor für Lenkhilfe
30-00 - Unterbrechung / Kurzschluß nach Plus

00716 - Air recirculation Flap Positioning Motor (V113)
000 -  -  - Intermittent

01336 - Bus de données Groupe Confort
80-00 - en mode fil unique

004506 - Fuel Pressure Sensor (G247)
P119A - 000 - Malfunction - Intermittent - MIL ON

01596 - Servomoteur de volet d´air frais/air recyclé (V154)
30-10 - Rupture/court-circuit au pôle + - Intermittent

01336 - Data Bus for Comfort System
80-10 - Single-Wire Operation - Intermittent

01271 - Stellmotor für Temperaturklappe (V68)
000 - - - Sporadisch

00588 - Airbag Igniter; Driver Side (N95)
32-10 - Resistance too High - Intermittent

00778 - Steering Angle Sensor (G85)
49-10 - No Communications - Intermittent

00706 - Relais de ventilateur de radiateur V7 et V35 -vitesse 2 (J513)
009 - Rupture/court-circuit à la masse - Intermittent

00896 - Closing unit tailgate (F256)
27-10 - Implausible Signal - Intermittent (implausible  intermittent signal) ----------

00576 - Klemme 15
002 - unterer Grenzwert unterschritten - Sporadisch

01312 - Powertrain Data Bus
37-10 - Faulty - Intermittent

00-Senzor unghi volan -- Status: OK 0000
01-Motor -- Status: Malfuncþie 0010
03-ABS frâne -- Status: OK 0000
08-Clima automatã -- Status: OK 0000
09-Electronica centralã -- Status: Malfuncþie 0010
15-Airbaguri -- Status: OK 0000
16-Electronicã volan -- Status: OK 0000
17-Instrumente bord -- Status: OK 0000
19-Poarta CAN  -- Status: Malfuncþie 0010
25-Blocare pornire -- Status: OK 0000
42-Uºa electr. ºofer -- Status: OK 0000
44-Asistenþã direcþie -- Status: OK 0000
46-Confort -- Status: Malfuncþie 0010
52-Uºa electr.pasager -- Status: Malfuncþie 0010
56-Radio -- Status: OK 0000
69-Tractare -- Status: Neautorizat 0001
76-Asistenþã parcare -- Status: OK 0000
7D-Încãlz. Aux. -- Status: Malfuncþie 0010

VW JETTA WIRING HARNESS

However,  we all desire the following messages from our cars:-  Aucun code défaut trouvé. No fault code found. Kein(e) Fehlercode(s) gefunden. Nu a gãsit coduri.  The wiring harness of all cars are made with flexible multicore wire with terminal connectors and clip-lock plugs to facilitate connection durability when driving on bumpy roads and uneven surfaces but it seems that shaking, vibration, heat, shafting and corrosion are responsible for the above errors which would probably not resulted if there were not as many interconnected sub harnesses, and multi-pin electrical connections. Volkswagen  vehicles wiring harnesses have undergone a huge technological evolution since 1984. So much so that  30 years later the average wiring harnesses has become extremely complex because the number of terminals have progressively increased from a typical 200 terminals in a 1994 vehicle to as many as 1,400 terminals in the latest models.

The cost implications of these new wiring harnesses and electronic modules constitute more than a quarter of the price of the cars. It is estimated that it takes approximately one and a quarter hours to completely assemble and engine on a production line, whereas it takes more than 5 hours to assemble a wiring harness. Since the complexity of wiring harnesses  escalated exponentially, it is only obvious that the time and cost associated with repairing wiring harness would increase considerably. Thinner wires are used carrying extremely low-level signals and data, interlinked electronic control modules, sensors and actuators communicating in several protocols, collectively resulting in limited access and mass confusion. Restated, automotive repairs have become lot more complicated and it is estimated that almost half of all warranty repairs are caused by electrical malfunctions, and approximately 30 percent of all tow-ins, are due to problems associated with the wiring harness.

This emphatically tells us that the wiring harness is no longer a collection of wires and connectors bound together, because each and every length of wire, connection,  twist and turn, is carefully engineered to suit the application and its environment. Therefore whenever electrical harness repairs become necessary, don't use shortcuts and offcuts pieces of wire from an old extension lead or solid wire from domestic electrical cable and solder joints. Solder joints will eventually break due to vibration and spirited driving. Use the appropriate motor grade multicore flexible wiring of the appropriate diameter with the correct terminals and the appropriate electronic modules and components to restore the wiring harness to its original integrity because failure to do so, will only result in more intermittent and implausible (implausible  intermittent signal) contacts. To give you some idea of the wiring harness complexity I have included the numbers of the various sub harnesses that constitute the entire harness for my car.

WIRING HARNESS

VW Polo Highline 2.0L wiring harness  numbers ( Teilenummern ZSB- Leitungsstrang)

6Q2 970 005 DH, 6Q2 970 006 Q, 6Q2 970 010 L,  6Q2 970 024 H,
6Q2 970 076 AB, 6Q2 970 091 H, 6Q2 970 099 E , 6Q2 970 106 RB,
6Q2 970 111 D,   6Q2 970 154 C, 6Q2 970 191 D,  6Q2 970 083 CJ,
6Q2 970 050 P,    6Q2 970 125 K, 6Q2 970 102 RQ,  6Q2 970 023 CD,
6Q2 970 003 L,    6Q2 970 049 F, 6Q2 970 000 RQ,   6Q2970 030 AA
6Q2970 012 CN,

The underlined 6Q2 970 049 F above is the Cent. Elect. Controller 0009 BN-SG.   2S36 siting at Address 09,  the rest are individual harnesses or rather interconnecting parts of a whole harness.

SCANS

Chassis Type: 9N1 - VW Polo
Scan: 01,02,03,08,09,15,17,19,37,44,46,56,69

Address 01 -------------------------------------------------------
Controller: 032 906 032 E
Component: ME7.5.10 *2503
Coding: 00071

Address 03 -------------------------------------------------------
Controller: 6Q0 907 379 AF
Component: ABS 8.0 front H03 0002
Coding: 0002175

Address 08 -------------------------------------------------------
Controller: 6Q0 820 045
Component: Klimaanlage X0840

Address 09 -------------------------------------------------------
Controller: 6Q0 937 049 D
Component: À0_0 BN-SG. 1S34
Coding: 25742

Address 15: ------------------------------------------------------
Airbags
Controller: 6Q0 909 605 AE
Component: 0H AIRBAG VW5 0C 0010
Coding: 12360

Address 17 -------------------------------------------------------
Controller: 6Q0 920 823 B
Component: KOMBI+WEGFAHRSP VDO V02
Coding: 00141

Address 19 -------------------------------------------------------
Controller: 6N0 909 901
Component: 0000 GATEWAY CAN 1S34
Coding: 00014

Address 44 -------------------------------------------------------
Controller: 6Q0 423 156 AB
Component: LenkhilfeTRW V270
Coding: 10140

Address 46 -------------------------------------------------------
Controller: 6Q0 959 433 E
Component: 67 Komfortgerát 0002
Coding: 00018

Address 56 -------------------------------------------------------
Controller: 6Q0 035 186 A
Component: Radio FF6 0001
Coding: 00401

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


Fahrzeugtyp: 9N - VW Polo
Scan: 01 02 03 08 09 15 17 19 25 37 44 45 46 56 76

Adresse 01: -------------------------------------------------------
   Motor
   Teilenummer: 03D 906 023
   Bauteil: SIMOS91 1.2l 2V     5415
   Revision: --H04---    Seriennummer: VWZ5Z0G8041219
   Codierung: 0000071
   Betriebsnr.: WSC 00810 219 84798
 
Adresse 03: -------------------------------------------------------
   Bremsen  
   Teilenummer SW: 6Q0 907 379 AF    HW: 6Q0 907 379 AF
   Bauteil: ABS 8.0 front   H05 0002
   Revision: 00000000    Seriennummer: 00000000000000
   Codierung: 0002082
   Betriebsnr.: WSC 00788 785 00200

Adresse 08: -------------------------------------------------------
   Klima/Heizung  
   Teilenummer: 6Q0 820 045
   Bauteil: Klimaanlage        X0850

Adresse 09: -------------------------------------------------------
   Bordnetz      
   Teilenummer: 6Q1 937 049 F
   Bauteil: 0009 BN-SG.         2S36
   Codierung: 25742
   Betriebsnr.: WSC 00788
 
Adresse 15:  -------------------------------------------------------
   Airbag      
   Teilenummer: 1C0 909 605 K
   Bauteil: 19 AIRBAG VW51 0P   0010
   Codierung: 12601
   Betriebsnr.: WSC 00788
 
Adresse 17: -------------------------------------------------------
   Kombiinstrument    
   Teilenummer: 6Q0 920 804
   Bauteil: KOMBIINSTRUMENT AGD V04
   Codierung: 01131
   Betriebsnr.: WSC 00000
 
Adresse 19: -------------------------------------------------------
   CAN-Gateway      
   Teilenummer: 6N0 909 901
   Bauteil: 01K1 GATEWAY CAN    2S36
   Codierung: 00014
   Betriebsnr.: WSC 00788
 
Adresse 25: -------------------------------------------------------
   Wegfahrsperre
   Teilenummer: 6Q0 920 804
   Bauteil: IMMOBILIZER     AGD V04
   Codierung: 01131
   Betriebsnr.: WSC 00000
 
Adresse 44: -------------------------------------------------------
   Lenkhilfe    
   Teilenummer: 6Q0 423 156 AB
   Bauteil: LenkhilfeTRW        V270
   Codierung: 10140
   Betriebsnr.: WSC 00788
 
Adresse 46: -------------------------------------------------------
   Komfortsystem    
   Teilenummer: 6Q0 959 433 E
   Bauteil: 3F Komfortgerát     0002
   Codierung: 00019
   Betriebsnr.: WSC 00788
 
Adresse 56: -------------------------------------------------------
   Radio      
   Teilenummer SW: 6Q0 035 152 G    HW: 6Q0 035 152 G
   Bauteil: Radio DE2           0007
   Revision: 00005000    Seriennummer: VWZ4Z4G3272350
   Codierung: 0020200
   Betriebsnr.: WSC 00788 785 00200
 
Ende -------------------------------------------------------

Type chassis: VW Polo 9N
Scanner: 01 02 03 08 09 15 17 19 37 44 45 46 56 76

Adresse 01: -------------------------------------------------------
Moteur
No. pièce: 038 906 019 NC
Pièce: 1,9l R4 EDC 0000SG 6138
Codage: 00002

Adresse 03: -------------------------------------------------------
Freins ABS
No. pièce Log: 6Q0 907 379 AF Mat: 6Q0 907 379 AF
Pièce: ABS 8.0 front H05 0002
Révision: 00000000 No. de série: 00000000000000
Codage: 0002193

Adresse 08: -------------------------------------------------------
Climatronic
No. pièce: 6Q0 907 044 E
Pièce: CLIMAtronic PQ24 3805

Adresse 09: -------------------------------------------------------
Centrale Elec.
No. pièce: 6Q1 937 049 F
Pièce: 0009 BN-SG. 2S36
Codage: 09870

Adresse 15: -------------------------------------------------------
Airbags
No. pièce: 1C0 909 605 K
Pièce: 17 AIRBAG VW51 0N 0010
Codage: 12599

Adresse 17: -------------------------------------------------------
Instruments
No. pièce: 6Q0 920 825 H
Pièce: KOMBIINSTRUMENT VDO V06
Codage: 01141

Adresse 19: -------------------------------------------------------
Gateway CAN
No. pièce: 6N0 909 901
Pièce: 01K1 GATEWAY CAN 2S36
Codage: 00014

Adresse 44: -------------------------------------------------------
Direction assistée
No. pièce: 6R0 423 156
Pièce: LenkhilfeTRW V272
Codage: 10120

Adresse 46: -------------------------------------------------------
Module confort
No. pièce: 6Q0 959 433 E
Pièce: 5F Komfortgerát 0002
Codage: 00017

Adresse 56: -------------------------------------------------------
Radio
No. pièce Log: 6Q0 035 152 E Mat: 6Q0 035 152 E
Pièce: Radio 9NK 0004
Révision: 00001000 No. de série: VWZ4Z4H0100621
Codage: 0040400

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

Feel free to upload your VW, SKODA, SEAT & AUDI scans.

Adresse, Address,  Betriebsnummer, WS Code, Control Module for Airbags, Control Module for Climatronic, Control Module in Instrument Cluster, Power Steering Control Module, Engine Control Module, Data Bus for Comfort System, Coding, Control Module for Digital Sound Package, No Signal/Communication - Intermittent, Intermittent Operation, Defective - Intermittent, Open Circuit — Intermittent, Short to Ground — Intermittent, Open or Short to Plus — Intermittent, Implausible Signal — Intermittent, No Communications - Intermittent, Electrical Fault in Circuit - Intermittent,