2013 q5 3.0T redirect fail!?

   #1  

travrose36

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Hey guys I'm new here so ill try not to muff this all up. My wifes q5 started getting warm on the way to the gas station the other day. Now it never actually overheated. i noticed my ac stopped blowing cold and instantly saw my temp gauge was slowly rising so i pulled over to have a look. I was able to turn the heater on and cruise home and the gauge dropped back down. I have since scanned it and get two key faults that seem to be irrelevant (again im not the most technically or mechanically inclined human) However the other thing i noticed is my Hvac system has a redirectfail. I'v been reading through these forums pretty religiously in an attempt to not post repetitive threads but i can't seem to figure this thing out so some help would be greatly apreciated. :D

Code:
Sunday,24,May,2020,17:46:43:35731
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 20.4.1.0 (x64)  HEX-V2 CB: 0.4508.4
Data version: 20200331 DS317.0
www.Ross-Tech.com


VIN: WA1DGAFP5DA042374   License Plate: MOMBEAR
Mileage: 106600km-66238mi   Repair Order: 



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


Chassis Type: FP-AU48 (8R0)
Scan: 01 02 03 05 08 09 15 16 17 19 36 42 44 46 47 52 53 56 5F 62
          6C 6D 72

VIN: WA1DGAFP5DA042374   Mileage: 106600km-66238miles

01-Engine -- Status: OK 0000
02-Auto Trans -- Status: OK 0000
03-ABS Brakes -- Status: OK 0000
04-Steering Angle -- Status: OK 0000
05-Acc/Start Auth. -- Status: Malfunction 0010
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- Status: OK 0000
15-Airbags -- Status: OK 0000
16-Steering wheel -- Status: OK 0000
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: OK 0000
36-Seat Mem. Drvr -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
47-Sound System -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
53-Parking Brake -- Status: OK 0000
56-Radio -- Status: OK 0000
5F-Information Electr. -- Status: OK 0000
62-Door, Rear Left -- Status: OK 0000
6C-Back-up Cam. -- Status: OK 0000
6D-Trunk Elect. -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (J623-CTUC)       Labels:. 06E-907-551-CGW.clb
   Part No SW: 8R0 907 551 A    HW: 4G0 907 551 A
   Component: 3.0l V6 TFSIH07 0003  
   Revision: --H07---    
   Coding: 2A2A0034052601060000
   Shop #: WSC 06208 000 00000
   ASAM Dataset: EV_ECM30TFS0218R0907551A 001004
   ROD: EV_ECM30TFS0214G0907551D.rod
   VCID: 36362EC7A8CFC48BB97-8062

No fault code found.
Readiness: 0000 0000

-------------------------------------------------------------------------------
Address 02: Auto Trans (J217)       Labels:| 0BK-927-156.clb
   Part No SW: 8R0 927 158 AM    HW: 0BK 927 156 AM
   Component: 0BK 30TFSIUSA H16 1003  
   Revision: --H16---    
   Coding: 000002
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_TCMAL551211 002020
   ROD: EV_TCMAL551211_002_AU48.rod
   VCID: 084A903F92BB827B1BB-805C

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels:. 8R0-907-379-V1.clb
   Part No SW: 8R0 907 379 AK    HW: 8R0 907 379 AK
   Component: ESP8 quattro  H09 0080  
   Revision: --------    Serial number: --------------
   Coding: 191D1C
   Shop #: WSC 06335 000 00000
   VCID: 094C953B8931FB73045-805C

No fault code found.

-------------------------------------------------------------------------------
Address 05: Acc/Start Auth. (J393)       Labels:. 8K0-907-064-05.clb
   Part No SW: 8K0 907 064 GP    HW: 8K0 907 064 FP
   Component: BCM2 2.0      H11 0621  
   Revision: 00002001    
   Coding: 0DA54040000000000000
   Shop #: WSC 06335 000 00000
   VCID: 0452840FAE13A61B773-8050

   Subsystem 1 - Part No SW: 8K0 905 852 E    HW: 8K0 905 852 E
   Component: J764 ELV MLB  H40 0046 
   Serial number: 2312000245721012    

2 Faults Found:
00956 - Key 2 
            002 - Lower Limit Exceeded
             Freeze Frame:
                    Fault Status: 01100010
                    Fault Priority: 3
                    Fault Frequency: 1
                    Reset counter: 97
                    Mileage: 104440 km
                    Time Indication: 0
                    Date: 2020.02.22
                    Time: 09:19:49

00955 - Key 1 
            002 - Lower Limit Exceeded
             Freeze Frame:
                    Fault Status: 01100010
                    Fault Priority: 3
                    Fault Frequency: 1
                    Reset counter: 233
                    Mileage: 106176 km
                    Time Indication: 0
                    Date: 2020.04.30
                    Time: 10:39:59


-------------------------------------------------------------------------------
Address 08: Auto HVAC (J255)       Labels: Redir Fail!
   Part No SW: 8K1 820 043 T    HW: 8K1 820 043 T
   Component: KLIMA 3 ZONEN H04 0121  
   Revision: C1000000    Serial number: 01211120120261
   Coding: 6621228000
   Shop #: WSC 06335 000 00000
   VCID: 392C25FB99512BF3545-806C

No fault code found.
 
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   #2  

Uwe

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"Redir Fail" means there's no label file for that module in the language version of VCDS you're using (English). Looks like there is one for that module in German.

I also see no fault codes relevant to the AC cutting out or the coolant overheating in the data you posted above. I agree that the Key faults in the Kessy module not related to this.

The first thing I'd check that is that the radiator fans come on as expected. You can do this in the comfort of your driveway, just let the vehicle warm up at idle with the AC on to see if the problem is reproducible.

-Uwe-
 
   #3  

travrose36

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okay so i just did a little rereation test

1) turned vehicle on- no fans running

2) turned A/c on- both fans on high (keep in mind im in southern california and its 97F out)

3) turned a/c back off- both fans turn off

4) temp gauge to center- both fans on low

5) drove around the block with no a/c and temp gauge started rising above center, both fans were on super high and the car sounded like a boing 757 airliner

6) turned the heater on full blast and the gauge began to drop as drove the car home.

7) sat in the driveway and clicked the A/c back on at idle and the gauge began to rise again.

8) turned off came inside and here we are
 
   #4  

Uwe

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Sounds like the fans aren't the problem then. Stuck thermostat?

-Uwe-
 
   #5  

travrose36

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yea i was thinking the same, do you think it would be the temp sensor? if its the thermostat im pretty sure i need to pull the supercharger
 
   #7  

travrose36

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im honestly not sure
 
   #8  

Jack@European_Parts

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Petrol Dave is correct this function for fan operation is bifurcated!
Fuse for radiator fan temp switch faulty directly or fan controller checked yet?
Fans come on for several inputs please check RTFB and WD to familiarize circuit.

Want to post screen shots what you don't understand for clarity on WD?
 
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