Hi guys, I just scanned my fabia vrs asz for errors and all modules checked out fine apart from this one :

Address 08: Auto HVAC

Controller: 6Y0 820 045

Component: Klimaanlage X0840

1 Fault Found:

65535 - Internal Control Module Memory Error

00-00 - -

I dought it's related to my low mpg and lack, yes lack of soot problem but would be nice to get it sorted. I think my low mpg could be a stuck thermostat which i am going to change next week but i would also like to run some logs on the maf, fuel, turbo ect with vagcom. Any help much appreciated. I do not have and never have had any warning light's on the dash.

Edited 11 December, 201213 yr by RAPTURE

http://wiki.ross-tech.com/wiki/index.php/65535

Radiotwo

http://wiki.ross-tec...index.php/65535

Radiotwo

yep not terribly helpfull im afraid old chap as that error covers many modules and cars. Well i figured out it is the aircon module but it seems to work fine , need regassing maybe ?.

yep not terribly helpfull im afraid old chap as that error covers many modules and cars. Well i figured out it is the aircon module but it seems to work fine , need regassing maybe ?.

Have you not looked at the link ?

If you read it it gives you possible causes and solutions,but does not mention Aircon

"Internal Control Module Memory Error

Possible Causes

• Wiring from/to Control Module faulty
  
  • Voltage Supply and/or Ground Supply faulty
    

  [*]Control Module faulty

  • Control Module Housing leaky
    

Possible Solutions

• Check/Clean Wiring from/to Control Module
  
  • Check Voltage Supply and Ground Supply including the Main Supply/Connections at the Battery
    

  [*]Replace Control Module

Special Notes

• This fault is NOT to be ignored when found in a major and/or critical system (Airbag, ABS etc.). If you try to clear this fault, VCDS may tell you that there is an unexpected result or that the controller refused the command. This is normal since this specific fault can generally not be cleared.
  
• When stored in other unimportant systems (Radio etc.) the general suggestion is to ignore it unless you notice functional limitations. Within the warranty period dealers are usually required to replace such control modules, but there have been a couple of cases with similar codes where these are getting ignored due to flaws in the control module software. If in doubt please refer to technical bulletins and similar documents provided by the vehicle manufacturer.
  
• When found in Audi Airbag Generation 6 & 7 (see Audi TPI 1308401):
  
  • A Problem with the Acceleration Sensor may result in the Airbag Control Module storing this Fault Code. Replace the Airbag Control Module and both Acceleration Sensors.
    

  [*]When found in Audi Airbag Generation 8:

  • Due to low Voltage the Control Module does not complete it's Self Test successfully. Replace Airbag Control Module and install a low Voltage Protection Relay to ensure future mishaps won't cause this again. UPDATE The Protection Relay may not be available anymore, though the Parts Catalog lists updated Control Modules now.
    

  [*]When found in certain older TDI Engine Control Modules (ECM) which have a vacuum line going to them:

  • Check/Repair the Vacuum Line before and inside the ECM. "
    

Radiotwo

Edited 11 December, 201213 yr by RADIOTWO

Isn't hvac the air con?

If your still have vcds, go to engine, log and log group 3, 8 and 11. Go for a drive during which carry out a wot from 2k to redline and post back results.

Klimaanlage means Air con in German. I wil have a go at logging tommorow and post back, thx mate .

Edited 11 December, 201213 yr by RAPTURE

Group A: '003 Group B: '001 Group C: '011 Engine speed MAF (specified) MAF (actual) EGR duty cycle Engine speed Injected quantity Spec. Inj. duration Coolant temp Engine speed Spec. intake press. Actual intake press. D.cycle MAP TIME 790-870 230-310 210-350 40-75% TIME 790-870 3.0-9.0 3-8 °Ck. 80-110°C TIME 2850-3150 2200-2400 2100-2600 35-80% Marker STAMP /min mg/str mg/str % STAMP /min mg/str CF °C STAMP /min % 0 882 265 259.7 69.3 0.42 882 5.2 5.6 83.7 0.82 882 1056 996 21.5 1.22 882 265 264.6 69.7 1.62 882 5.2 5.6 83.7 2.02 882 1056 996 21.5 2.42 882 265 249.9 70.5 2.82 882 5.2 5.6 83.7 3.22 882 1056 996 21.5 3.62 882 265 259.7 71.7 4.02 882 5.2 5.6 83.7 4.42 882 1056 996 21.5 4.82 882 265 259.7 71.3 5.22 882 5.2 5.6 83.7 5.62 882 1056 984 21.5 123.93 1911 645 671.3 51 124.33 2016 48 15.3 83.7 123.52 1827 1500 1488 47.4 125.13 2478 850 1185.8 4.8 125.53 2688 65.9 26 83.7 124.73 2205 2472 2292 66.1 126.33 3024 850 1127 4.8 126.73 3213 63.4 27 83.7 125.93 2835 2508 2520 64.5 127.53 3192 850 548.8 4.8 127.93 2436 0 -0.5 83.7 127.13 3213 1104 1896 63.4 128.73 2310 275 553.7 4.8 129.15 2247 0 -0.5 83.7 128.31 2331 1008 1308 36.7 129.93 2142 255 529.2 4.8 130.33 2079 0 -0.5 83.7 129.53 2205 1008 1236 35.5 131.13 2016 245 519.4 4.8 131.53 1995 0 -0.5 83.7 130.73 2037 996 1212 32.7 132.31 1911 245 514.5 4.8 132.71 1869 0 -0.5 83.7 131.93 1974 996 1200 31.5 133.51 1722 245 470.4 4.8 133.91 1701 0 -0.5 83.7 133.11 1806 996 1188 29.9 152.73 2352 850 1122.1 4.8 151.91 1974 33.8 11.2 83.7 152.31 2079 2364 1716 33.9 153.96 2940 850 1136.8 4.8 153.14 2604 65.9 25.5 84.6 153.54 2772 2508 2508 63.8 155.17 3486 850 1053.5 4.8 154.37 3129 64.8 27 84.6 154.77 3318 2520 2484 64.9 156.39 3717 850 744.8 4.8 155.57 3633 60.7 27 84.6 155.97 3780 2520 2460 64.1 157.59 2730 710 588 4.8 156.79 2982 0 -1 84.6 157.19 2772 1020 1488 38.6 183.01 882 265 254.8 70.9 183.41 882 5.5 6.1 85.5 182.61 882 1056 996 21.5 184.21 882 265 269.5 69.3 184.61 882 5.2 5.6 85.5 183.81 882 1056 996 21.5

Was my first attempt logging and it did not feel like it wanted to rev all the way to the redline in 3rd :(. Maf showing some odd readings and does not get to 90 c. Any help appreciated thx.

I have sent you the log John is i gave up trying to post it here lol. thx matey.

Fek how do i upload a excel file so it shows as a table format?. I could have typed the dang thing out by now.

Edited 16 December, 201213 yr by RAPTURE

Ok paint bodge did the job.

Edited 16 December, 201213 yr by RAPTURE

This is how my mpg behaves, build up a reasonable mpg then its just drinks it away sitting at lights for a min.