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Crap A/C issue

easy87

l1kez b00st
Location
Texas
Car(s)
GTi
So, was driving and noticed the a/c was hissing a bit. Not sure exactly why, no difference in temp. Still waiting on cable. But here is what the codes we're, red are differences. On 11-3 while hissing it was flashing double 0 to a little 1 on the far right. Any clues?this be the evidence!
 

vwengineer

Ready to race!
Location
Switzerland
00 and 1 flashing means 100. Not sure what 11-3 is though. It probably has something to do with the solenoid, usually I look at 11-0 and 11-1, but maybe 11-3 is the actual value of the solenoid.

Hissing is a symptom of low refrigerant when it works, mine did it too (if we speak about the same thing). If it continues to make this noise, get is charged again.
 

GTI's

Drag Race Newbie
Location
MD
Have you tried

"Climatronic Self-Test

System Self-Test

The system self-test will query all the components of the Climatronic system to make sure they are all operating within spec. System Self-Test mode can be activated by pushing the ignition key to the "run" position (the engine does not need to be running) and turning on the Climatronic unit, and then holding down the "ECON" button (this may be marked A/C, depending on the year of your car) and the Foot Vent or "Down-Arrow" button at the same time until both of the temperature displays show "iO", a common abbreviation in German for "in Ordnung" which means "OK" or "Operating Normally" (if you have a later Climatronic unit without temperature LCDs, this info will be displayed on the LCD of your stereo head unit).

If an error is encountered error codes will be displayed as a hexadecimal number in the left hand temperature display. You need to convert the hex code to decimal (you can use an online converter like this one). Then you can take the decimal equivalent of the code and check it in the Ross-Tech Wiki URL. For example: hex code 0E5 = 229 in decimal = http://wiki.ross-tech.com/wiki/index.php/00229 in the Wiki, which is the VCDS page for the coolant fault pressure.

A list of hexadecimal error codes and their descriptions follows:

0E5 Coolant pressure
1BD Loss of Refrigerant
119 Driving Speed Sensor
214 Supply Voltage (B+)
21A Reference Voltage
510 Temperature Sensor for Body-Directed Airflow (1296)
511 Temperature Sensor for Leg-Directed Airflow (1297)
30B Temperature Sensor for External Temperature at Fender
311 Dashboard Temperature Sensor
313 Fresh Air Intake Duct Temperature Sensor
332 Evaporator Temperature Sensor
333 Coolant Pressure Sensor
318 A/C Pressure Switch F129
31C BEMO(?) for Temperature Sensor
31D Solar Radiation Photo Sensor
382 Compressor Outlet
4F7 Air Flow Flap Positioning Motor (V71)
4F8 Central Flap Positioning Motor
4F9 Fresh Air Blower
4FA Faulty Recirculation Flap Positioning Motor
25B Positioning Motor for Foot/Defrost Flap
4B6 Service Life Signal
538 CAN-Bus
513 Gateway
53D Estate
4AE Gateway Database Version
414 Control Unit Not Programmed
43F Basic Setting Not Executed
62E Coolant Temperature Sensor Signal
94B Positioning Motor for Left Side Vent (V299)
9CC Temperature sensor for Refrigerant (G454)
000 No more codes to read
444 No errors"
 

easy87

l1kez b00st
Location
Texas
Car(s)
GTi
So, after many fun adventures, finally got the cable. Pulled logs, ran a few small tests, and documented the bejeezus out of it. Will post it all in the morning, as to I'm on my phone. The stop code was 05, which is low pressure. Kind of expected when not much of anything went in. That being said, if you do empty it, and then start to refill, what's to let the compressor ever come on, since it would always be low pressure? Also of note, compressor fan is dead.
 

easy87

l1kez b00st
Location
Texas
Car(s)
GTi
Results

Alright! Gonna load the results in multiple posts, as to it is too long for just one. I would cut some out, but do not want any details out. Ran the log, and took pictures of the different modules results for analysis. Here are the pictures.
 

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easy87

l1kez b00st
Location
Texas
Car(s)
GTi
Scan Results 1

Code:
Monday,25,March,2019,22:32:50:37640
VCDS -- Windows Based VAG/VAS Emulator Running on Windows XP x86
VCDS Version: 18.9.1.0
Data version: 20190114 DS296.0
www.Ross-Tech.com


VIN: WVWEV71K86W172153   License Plate: 
Mileage: 311970km-193849mi   Repair Order: 



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


Chassis Type: 1K (1K0)
Scan: 01 03 08 09 0F 15 16 17 19 25 37 42 44 46 52 55 56

VIN: WVWEV71K86W172153   Mileage: 311970km-193849miles

00-Steering Angle Sensor -- Status: OK 0000
01-Engine -- Status: Malfunction 0010
03-ABS Brakes -- Status: OK 0000
08-Auto HVAC -- Status: Malfunction 0010
09-Cent. Elect. -- Status: Malfunction 0010
0F-Digital Radio -- Status: Malfunction 0010
15-Airbags -- Status: Malfunction 0010
16-Steering wheel -- Status: OK 0000
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: Malfunction 0010
25-Immobilizer -- Status: Malfunction 0010
37-Navigation -- Status: Cannot be reached 1100
42-Door Elect, Driver -- Status: Malfunction 0010
44-Steering Assist -- Status: OK 0000
46-Central Conv. -- Status: Malfunction 0010
52-Door Elect, Pass. -- Status: Malfunction 0010
55-Headlight Range -- Status: OK 0000
56-Radio -- Status: Malfunction 0010
 
-------------------------------------------------------------------------------
Address 01: Engine        Labels:. 06F-907-115-AXX.clb
   Part No SW: 1K0 907 115 B    HW: 1K0 907 115 B
   Component: 2.0l R4/4V TFSI     0040  
   Revision: --H14---    Serial number: VWZ7Z0F3689240
   Coding: 0403010A18070160
   Shop #: WSC 22138 444 54611
   VCID: 2567DDC9EC720E628E-8070

3 Faults Found:
000768 - Random/Multiple Cylinder Misfire Detected 
               P0300 - 001 -  - Intermittent
             Freeze Frame:
                    Fault Status: 00100001
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 311202 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 20:52:05

             Freeze Frame:
                    RPM: 3914 /min
                    Load: 86.2 %
                    Speed: 77.0 km/h
                    Temperature: 89.0°C
                    Temperature: 26.0°C
                    Absolute Pres.: 990.0 mbar
                    Voltage: 13.589 V

000770 - Cylinder 2 
               P0302 - 001 - Misfire Detected - Intermittent
             Freeze Frame:
                    Fault Status: 00100001
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 311202 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 20:52:05

             Freeze Frame:
                    RPM: 3914 /min
                    Load: 86.2 %
                    Speed: 77.0 km/h
                    Temperature: 89.0°C
                    Temperature: 26.0°C
                    Absolute Pres.: 990.0 mbar
                    Voltage: 13.589 V

000808 - Knock Sensor 1 (G61) 
               P0328 - 001 - Signal too High - Intermittent
             Freeze Frame:
                    Fault Status: 00100001
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 311940 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 21:09:22

             Freeze Frame:
                    RPM: 2359 /min
                    Load: 46.6 %
                    Speed: 95.0 km/h
                    Temperature: 87.0°C
                    Temperature: 18.0°C
                    Absolute Pres.: 990.0 mbar
                    Voltage: 13.843 V

Readiness: 0000 0000

-------------------------------------------------------------------------------
Address 03: ABS Brakes        Labels: 1K0-907-379-MK60-F.lbl
   Part No SW: 1K0 907 379 AA    HW: 1K0 907 379 AA
   Component: ESP FRONT MK60      0102  
   Revision: 00H13001    
   Coding: 0021122
   Shop #: WSC 01279 785 00200
   VCID: 71CFF999683A12C222-8024

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC        Labels: 1K0-907-044.lbl
   Part No: 1K0 907 044 BE
   Component: ClimatronicPQ35 090 0808  
   Shop #: WSC 00000 000 00000
   VCID: 6BF3EBF14A16F81218-803E

1 Fault Found:
01274 - Air Flow Flap Positioning Motor (V71) 
            000 -  -  - Intermittent

-------------------------------------------------------------------------------
Address 09: Cent. Elect.        Labels:. 3C0-937-049-23-H.lbl
   Part No SW: 3C0 937 049 Q    HW: 3C0 937 049 Q
   Component: Bordnetz-SG     H46 1501  
   Revision: 00H46000    Serial number: 00000005465009
   Coding: B78D8F214004150000140000001400000019770B5C0000
   Shop #: WSC 01392 785 00200
   VCID: 375B078146DE8CF22C-8062

   Subsystem 1 - Part No: 1K1 955 119 C  Labels: 1KX-955-119.CLB
   Component: Wischer VW350  013  0402  
   Coding: 00063445
   Shop #: WSC 01392  

3 Faults Found:
00061 - Footwell Lights 
            012 - Electrical Fault in Circuit
             Freeze Frame:
                    Fault Status: 01101100
                    Fault Priority: 5
                    Fault Frequency: 254
                    Reset counter: 1
                    Mileage: 266549 km
                    Time Indication: 0

             Freeze Frame:
                        OFF
                    Voltage: 12.70 V
                        OFF
                        ON
                        OFF
                        OFF
                        OFF

02395 - Parking Light Front Right (M3) 
            012 - Electrical Fault in Circuit - Intermittent
             Freeze Frame:
                    Fault Status: 00101100
                    Fault Priority: 2
                    Fault Frequency: 52
                    Reset counter: 32
                    Mileage: 306395 km
                    Time Indication: 0

             Freeze Frame:
                        ON
                    Voltage: 14.75 V
                        ON
                        ON
                        OFF
                        OFF
                        OFF

01759 - Relay for Horn 
            012 - Electrical Fault in Circuit
             Freeze Frame:
                    Fault Status: 01111100
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 1
                    Mileage: 250657 km
                    Time Indication: 0

             Freeze Frame:
                        ON
                    Voltage: 12.15 V
                        ON
                        ON
                        OFF
                        OFF
                        OFF
 

easy87

l1kez b00st
Location
Texas
Car(s)
GTi
Scan Results 2

Code:
-------------------------------------------------------------------------------
Address 0F: Digital Radio        Labels: 8E0-035-593-XM.lbl
   Part No SW: 8E0 035 593 E    HW: 8E0 035 593 E
   Component: SDAR XM         H03 0080  
   Revision: 00000000    Serial number: AUZ4Z7F7042226
   Shop #: WSC 00000 000 00000
   VCID: 2B732BF18A96381258-807E

2 Faults Found:
00003 - Control Module 
            014 - Defective
             Freeze Frame:
                    Fault Status: 01101110
                    Fault Priority: 5
                    Fault Frequency: 1
                    Reset counter: 92
                    Mileage: 265295 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 18:54:50

02788 - Internal Communications Error 
            000 -  -  - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 7
                    Fault Frequency: 254
                    Reset counter: 41
                    Mileage: 265295 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 00:19:53

             Freeze Frame:
                    Bin. Bits: 00000010
                    Bin. Bits: 00000000


-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 1K0-909-605.lbl
   Part No SW: 1K0 909 605 P    HW: 1K0 909 605 P
   Component: 5L AIRBAG VW8R  032 7900  
   Revision: 03032000    Serial number: 0038FD05Z9Z.  
   Coding: 0013644
   Shop #: WSC 22138 444 54611
   VCID: 395F01B970CA9A82DA-806C

   Subsystem 1 - Part No: 1K0 959 339 D
   Component: BF-Gewichtsens. 006 0006

   Subsystem 2 - Serial number: 6332MSME10452636+

   Subsystem 3 - Serial number: 6342MSME0E5322266

   Subsystem 4 - Serial number: 6352QSME09461A21A

   Subsystem 5 - Serial number: 6362QSME0C163D67Q

   Subsystem 6 - Serial number: 63727SME09651822-

   Subsystem 7 - Serial number: 63827SME095E10460

2 Faults Found:
00532 - Supply Voltage B+ 
            002 - Lower Limit Exceeded - Intermittent
02513 - Belt Force Sensor for Seat Occupied Recognition (G453) 
            003 - Mechanical Failure - Intermittent

-------------------------------------------------------------------------------
Address 16: Steering wheel        Labels: 1K0-953-549-MY8.lbl
   Part No SW: 1K0 953 549 AJ    HW: 1K0 953 549 AJ
   Component: J0527           034 0070  
   Coding: 0002022
   Shop #: WSC 01279 785 00200
   VCID: 7ADDDEB5354C519A93-802E

   Subsystem 1 - Part No: XXXXXXXXXXX 
   Component: E0221           002 0010

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments        Labels: 1K0-920-xxx-17.lbl
   Part No: 1K6 920 972 E
   Component: KOMBIINSTRUMENT VDD 4312  
   Coding: 0000001
   Shop #: WSC 01392 785 00200
   VCID: 3441308D57A867EA09-8060

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway        Labels:. 1K0-907-530-V1.clb
   Part No SW: 1K0 907 530 F    HW: 1K0 907 951 
   Component: Gateway         H10 0120  
   Revision:   H10       Serial number: 280010632203EA
   Coding: 7D0F0368070000
   Shop #: WSC 01279 785 00200
   VCID: 2A7D2EF5856C211AA3-807E

1 Fault Found:
01300 - Control Module for Navigation with CD-Rom (J401) 
            004 - No Signal/Communication
             Freeze Frame:
                    Fault Status: 01100100
                    Fault Priority: 2
                    Fault Frequency: 254
                    Reset counter: 1
                    Mileage: 207285 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 15:18:59


-------------------------------------------------------------------------------
Address 25: Immobilizer        Labels: 1K0-920-xxx-25.clb
   Part No: 1K6 920 972 E
   Component: IMMO            VDD 4312  
   Shop #: WSC 00000 000 00000
   VCID: 3441308D57A867EA09-8060

1 Fault Found:
01176 - Key 
            008 - Implausible Signal - Intermittent

-------------------------------------------------------------------------------
Address 37: Navigation
Cannot be reached

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver        Labels: 1K0-959-701-MIN2.lbl
   Part No: 1K0 959 701 K
   Component: Tuer-SG         024 2375  
   Coding: 0001077
   Shop #: WSC 01279 785 00200
   VCID: 36450A8541D475FA37-8062

1 Fault Found:
00928 - Locking Module for Central Locking; Front Driver Side (F220) 
            008 - Implausible Signal - Intermittent

-------------------------------------------------------------------------------
Address 44: Steering Assist        Labels: 1Kx-909-144-G2V2.clb
   Part No: 1K1 909 144 K
   Component: EPS_ZFLS Kl.5   D06 1701  
   Shop #: WSC 00000 000 00000
   VCID: 3343339152A660D210-8066

No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv.        Labels:. 1K0-959-433-MAX.clb
   Part No SW: 1K0 959 433 AS    HW: 1K0 959 433 AS
   Component: 02 KSG PQ35 G2  010 0101  
   Revision: 00010000    Serial number: 00000000000000
   Coding: 939006885103083F2D04058FB0080A0480A440
   Shop #: WSC 01392 785 00200
   VCID: 012FA959589A0242D2-8054

   Subsystem 1 - Component:   Sounder n.mounted     

   Subsystem 2 - Component:       NGS n.mounted     

   Subsystem 3 - Component:      IRUE n.mounted     

1 Fault Found:
00668 - Supply Voltage Terminal 30 
            002 - Lower Limit Exceeded
             Freeze Frame:
                    Fault Status: 01110010
                    Fault Priority: 4
                    Fault Frequency: 52
                    Reset counter: 94
                    Mileage: 0 km
                    Time Indication: 0


-------------------------------------------------------------------------------
Address 52: Door Elect, Pass.        Labels: 1K0-959-702-MIN2.lbl
   Part No: 1K0 959 702 K
   Component: Tuer-SG         024 2375  
   Coding: 0001077
   Shop #: WSC 01279 785 00200
   VCID: 375B078146DE8CF22C-8062

1 Fault Found:
00933 - Electric Window Motor; Passenger Side (V148) 
            005 - No or Incorrect Basic Setting / Adaptation - Intermittent

-------------------------------------------------------------------------------
Address 55: Headlight Range        Labels: 1T0-907-357.lbl
   Part No: 1T0 907 357 
   Component: Dynamische LWR      0003  
   Coding: 0000003
   Shop #: WSC 01279 785 00200
   VCID: 74C1F08D172827EAC9-8020

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio
Cannot be reached

End-------------------------(Elapsed Time: 01:31)--------------------------
 

GTI's

Drag Race Newbie
Location
MD
When you get a chance just clear the trouble code in Address 08: Auto HVAC. After that start the engine then start the AC turn to maximum then after a minute or two run an auto scan and repeat the screenshots.
 

easy87

l1kez b00st
Location
Texas
Car(s)
GTi
Round 1

This was after 2 minutes
 

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easy87

l1kez b00st
Location
Texas
Car(s)
GTi
This was after that first round of pics, so about 4 min in.
 

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easy87

l1kez b00st
Location
Texas
Car(s)
GTi
As a side, after that last round of pics Block 003 Bit 1, the refrigerant pressure dropped to a low(that I saw) of 5.8
 
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