Air Conditioning + Centre Console Lights stopped working edition 2021

[maxrpm]

Greetings , all. A few days ago on my Fabia I noticed my centre console lights (heater temperature and direction, re-circulate button, AC button) were not lit up.

The temperature and direction still work but I the re-circulate button, and the AC does not.

  Does anyone know how to resolve it. It appeared a few days ago , and in the beginning lights were on all the time , even when the car was locked, after disconecting the battery , all was fine again. Then after a few days i noticed , that lights started to go on and off, unfortunately this was the end of them ..

[Breezy_Pete]

Failure of the recirc function is extremely common, has it worked recently, do you think?

A/C will only work if the cabin fan is operating, which can sometimes subtly not be the case if you usually run it at a low speed like 1, and the series resistor burns out. Try turning the speed up if this is the case until you definitely hear blower action.

 

Not sure about the lighting weirdness

What year is the car?

 

 

 

[maxrpm]

All of these are true. By the time the panel was functioning it was behaving just as you described, The car is 2001 elegance. A friend of mine told me , this panel is operated through the central electric module , using CAN, so i again think that faults are all connected to one reason. I may run Vag-com, later that day if i have the time.

[maxrpm]

I have a small update since today. Went to replace the battery, and after reconnecting it , the lights on the center console started flashing on and off in approximately 1 second pattern, so respectively buttons and all electrics , started working on and off in the same manner.. The car was started. I noticed that a relay is clicking from time to time , and sometimes when it clicks , all is fine for 3-4 seconds , then when it clicks again , it was the same old blinking story. I managed to make the panel lighting work non- stop , by manipulating the headlights switch. So this made to believe it is a faulty relay. VAG COM says connection with HVAC is unreliable , due to many communication errors , because it is constantly on and off again.
Here is a Vag Com log of an DTC autoscan
 

Quote

VCDS-Lite Version: Release 1.2
Tuesday, 04 January 2022, 20:25:48:0

Chassis Type: 6Y - Skoda Fabia I
Scan: 01,02,03,08,09,17,19,25,37,44,46,55,56,76
 
-------------------------------------------------------------------------------
Address 01: Engine       Labels: 038-906-019-AJM.LBL
   Controller: 038 906 019 AF
   Component: 1,9l R4 EDC 0000SG  1110
   Coding: 00002
   Shop #: WSC 13765
   VCID: 5BC9146FDA3D
2 Faults Found:
18043 -  Powertrain Data Bus: Missing Message from A/C Controller
            P1635 - 35-10 -   - - Intermittent
17965 -  Charge Pressure Control: Positive Deviation
            P1557 - 35-10 -   - - Intermittent
Readiness: N/A

-------------------------------------------------------------------------------
Address 03: ABS Brakes       Labels: 6Q0-907-37x-ABS.LBL
   Controller: 6Q0 907 379 D
   Component: ABS/ASR 5.7 FRONT   V00
   Coding: 00188
   Shop #: WSC 13765
   VCID: 3E0FBDFB296F
No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC       Labels: 6Q0-820-045.LBL
   Controller: 6Y0 820 045
   Component: Klimaanlage        X0760
   VCID: F297D9CBADB7
No Faults Found
  or DTCs not supported by controller
  or a communication error ocurred

-------------------------------------------------------------------------------
Address 09: Cent. Elect.       Labels: 6Qx-937-049-B.LBL
   Controller: 6Q1 937 049
   Component: BORDNETZ-SG.        1S30
   Coding: 09394
   Shop #: WSC 13765
   VCID: F883EBE3CBCB
4 Faults Found:
00906 -  Horn (H1)
            28-10 -  Short to Plus - Intermittent
01598 -  Drive Battery Voltage
            07-00 -  Signal too Low
00778 -  Steering Angle Sensor (G85)
            49-00 -  No Communications
01324 -  Control Module for All Wheel Drive (J492)
            49-00 -  No Communications

-------------------------------------------------------------------------------
Address 17: Instruments       Labels: 6Yx-9xx-xxx-17.LBL
   Controller: 6Y1 919 870 Dv
   Component: KOMBIINSTRUMENT VDO V07
   Coding: 16141
   Shop #: WSC 00222
   VCID: D0D3734303FB
   TMBMS46YX13120310     SKZ7Z0Y0637157
No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway       Labels: 6N0-909-901-19.LBL
   Controller: 6N0 909 901
   Component: Gateway K<->CAN    1S30
   Coding: 00014
   Shop #: WSC 13765
   VCID: F093D3C3A3BB
2 Faults Found:
00778 -  Steering Angle Sensor (G85)
            49-00 -  No Communications
01324 -  Control Module for All Wheel Drive (J492)
            49-00 -  No Communications

-------------------------------------------------------------------------------
Address 25: Immobilizer       Labels: None
   Controller: Bit teA dre ssv
   Component: e 17 eingeben          
   VCID: D0D3734303FB
No Faults Found
  or DTCs not supported by controller
  or a communication error ocurred

-------------------------------------------------------------------------------
Address 44: Steering Assist       Labels: None
   Controller: 6Q0 423 156 F
   Component: Lenkhilfe           0003
   Coding: 00130
   Shop #: WSC 00001
   VCID: 321799CBED37
No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv.       Labels: 6Q0-959-433.LBL
   Controller: 6Q0 959 433 C
   Component: 07 Komfortgerát     0002
   Coding: 00259
   Shop #: WSC 00001
   VCID: 3B09B4EF3A7D
1 Fault Found:
01030 -  Central Locking Key Switch; Driver Side; Lock
            29-10 -  Short to Ground - Intermittent

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

 

[maxrpm]

I can not believe , no one had this issue!

[sepulchrave]

Believe it, you're the first, get stuck in and keep us up to speed.

[maxrpm]

It will be after the winter, as soon as i get it fixed , will post an update of course!

[maxrpm]

Here is something for you to enjoy , as the issue gets resolved . Greetings from Bulgaria!
https://www.youtube.com/watch?v=l_PqHcUh-4s

[maxrpm]

Problem is solved! The issue is the whole center console itself. It has module inside , and doubles as a A/C Controller. Once replaced, lights and A/C work properly. As far as i found out 1.9tdi 1.2htp and 1.4mpi, are all the same , with the small difference that the knob for the airflow is 180C upside down. Maybe the cable can be rotated , but it was a pain to put it , and i don't want a live this again. Part number for mine is 6Y0 820 045 A , and i replaced it with 6Y0 820 045 B. So this may be reason also.
 

[TMB]

^ That's a good view of the little fan that's on the back of the A/C controls. I knew there was one but never actually seen one.....

 

 

 

 

[maxrpm]

It is a good thing , that both fans ,were in good condition , and not so covered in dust , after 20 years of service. The fact ,it is useless , we all know .   Build quality was good, but so much components that do job so little , felt like the early 90's... I still have Skoda 120, and over the years have been a fan, but Skoda always tries to do so much, with so little , that electronics are prone to defects.

Edited 23 May, 2022 by maxrpm

[TMB]

2 hours ago, maxrpm said:

I still have Skoda 120, and over the years have been a fan,

 

I've had quite a few Estelles including a 130 LSE and a Rapid 136. Those cars had a certain charm. Good honest motoring

Edited 23 May, 2022 by TMB

[maxrpm]

1 hour ago, TMB said:

 

I've had quite a few Estelles including a 130 LSE and a Rapid 136. Those cars had a certain charm. Good honest motoring

You are infact right , rear engine cars , are the best ever made , that's why i keep mine , and will never give it up. Today's traffic is not for them , but they are so lovely , from the moment you drive it!

 

[TMB]

^ I had a 1979 105S exactly like that only mine was beige in colour. Like this....

 

Edited 24 May, 2022 by TMB