How to link ecm and tcu together

   #1  

TMD Auto

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Customer came into shop with a blown ecu tcu. just purchased the hex-net software need to figure out how to code it to shut lights off on dash. Immobilizer light flashing ecu is chipped with a eurodyne tune and immobilizer is defeated need to get the light to stop flashing. Also tcu is in limp mode no power here is an auto scan any help would be much appreciated.

Code:
31,July,2020,12:14:23:55284
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x64
VCDS Version: 20.4.1.0 (x64)  HEX-NET2 CB: 0.4527.4
Data version: 20200331 DS317.0
[url]www.Ross-Tech.com[/url]


VIN: WAULC68E33A318682   License Plate: 
Mileage: 230840km-143437mi   Repair Order: derek



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


Chassis Type: 8E (8D - Audi A4/S4/RS4 B5 (1995 > 2002))
Scan: 01 02 03 08 15 16 17 25 35 37 45 55 56 57 67 75 76 77
 
VIN: WAULC68E33A318682   Mileage: 230840km-143437miles
-------------------------------------------------------------------------------
Address 01: Engine        Labels: 06B-909-518-AMB.lbl
   Part No SW: 8E0 909 518 AK    HW: 8E0 9
   Component: 1.8L R4/5VT     G   0003  
   Coding: 0016501
   Shop #: WSC 79159 665 435750
   VCID: 79A486B105C42D83145-5160

2 Faults Found:
18020 - Engine Control Module Incorrectly Coded 
            P1612 - 001 - 
17699 - Coolant Temp Sensor at Radiator Outlet (G83) 
            P1291 - 001 - Signal too Large
Readiness: 0110 1101

-------------------------------------------------------------------------------
Address 02: Auto Trans        Labels: 01V-927-156.lbl
   Part No: 8E0 927 156 P
   Component: AG5 01V 1.8l5VT USA 1213  
   Coding: 0000012
   Shop #: WSC 08182 444 00375
   VCID: 3B285CB94F78DF93469-5160

1 Fault Found:
18249 - Engine Control Module / Transmission Control Module Incompatible 
            P1841 - 003 - 

-------------------------------------------------------------------------------
Address 03: ABS Brakes        Labels: 8E0-614-517.lbl
   Part No: 8E0 614 517 H
   Component: ABS/ESP allrad      2328  
   Coding: 04277
   Shop #: WSC 06435  
   VCID: 2D0C62E1840C4123C8D-51CE

1 Fault Found:
18257 - Please check DTC Memory of Transmission Controller 
            P1849 - 35-00 - 

-------------------------------------------------------------------------------
Address 08: Auto HVAC        Labels: 8E0-820-043.lbl
   Part No: 8E0 820 043 L
   Component:   A4 Klimaautomat   1116  
   Coding: 00000
   Shop #: WSC 63351  
   VCID: 2A0669FDB5E2561B2DF-5160

5 Faults Found:
01809 - Actuating Motor for Temperature Flap; Left (V158) 
            41-10 - Blocked or No Voltage - Intermittent
00716 - Air recirculation Flap Positioning Motor (V113) 
            41-10 - Blocked or No Voltage - Intermittent
01232 - A/C Compressor Regulator Valve (N280) 
            29-10 - Short to Ground - Intermittent
00819 - High Pressure Sensor (G65) 
            07-00 - Signal too Low
00474 - Control Module for Immobilizer 
            49-10 - No Communications - Intermittent

-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 8E0-959-655-84.lbl
   Part No: 8E0 959 655 C
   Component: Airbag 8.4EP        2000  
   Coding: 0010607
   Shop #: WSC 63351 000 00000
   VCID: 372040897350FBF3A21-5184

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel        Labels: 8E0-953-549.lbl
   Part No: 8E0 953 549 N
   Component: Lenksáulenmodul     0308  
   Coding: 00041
   Shop #: WSC 63351  
   VCID: 3E2E55AD596ACABB617-4B00

1 Fault Found:
00474 - Control Module for Immobilizer 
            49-10 - No Communications - Intermittent

-------------------------------------------------------------------------------
Address 17: Instruments        Labels: 8E0-920-9xx-8E2.lbl
   Part No: 8E0 920 950 L
   Component: KOMBI+WEGFAHRS. RB4 D36  
   Coding: 03200
   Shop #: WSC 12345  
   VCID: 3236719D9D321EDB95F-5160
   WAULC68E63A313847     AUZ6Z0B0398609

1 Fault Found:
01177 - Engine Control Unit 
            65-10 - Unauthorized - Intermittent
 
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   #2  

Uwe

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I am skeptical this can be fixed via coding. I suspect you have the wrong ECU part number there.

What were the original ECU and TCU part numbers, and how did both of them end up "blown"?

-Uwe-
 
   #3  

TMD Auto

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power was supplied to a ground circuit when vehicle was running killed the car and the rest is history
 
   #4  

TMD Auto

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any ideas before i ship this thing to the dealer is it possible i can flash a new file on the cpu/tcu to make things work again any thoughts would be greatly appreciated.
 
   #6  

TMD Auto

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   #7  

TMD Auto

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FIXED!!!! thanks for the input guys much appreciated
 
   #9  

TMD Auto

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Please elaborate. :thanks:

-Uwe-
Soft coding was wrong in the ecu causing the the ecu/tcu to lock out and be put into limp mode. as i re-read what i posted on my autoscan the light bulb went off i recoded the soft coding to 0016751 and all was well.
 
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