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Author Topic: car wont start when hot!! Update: ECU at fault  (Read 3184 times)

Offline jameelno1

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car wont start when hot!! Update: ECU at fault
« on: June 26, 2014, 06:32:02 pm »
UPDATE: Ecu at fault does anyone know who can rebuild ecu's in the midlands area


recently my car wont start when warm, cold start is fine starts straight away. i have the traction control light on and esp light. when i turn my key to ignition the engine light does not come on either plus the temperature gauge has a mind of its own

ive taken it to various garages all baffled ive had the following changed:-

crank sensor
engine temperature sensor
glow plug relay
new battery

none have rectified the problem. a vw parts specialist stated that my Ecu needs a reset as it might be blocked or ecu might have gone  :confused:

this is my last vagcom check wont scan now either with vagcom


Chassis Type: 1K0
Scan: 01 03 08 09 15 16 17 19 25 42 44 46 52 56 7D

VIN: WVWZZZ1KZ4W074497   Mileage: 146840km/91242miles

00-Steering Angle Sensor -- Status: OK 0000
01-Engine -- Status: Sporadic communication error 1000
03-ABS Brakes -- Status: Malfunction 0010
08-Auto HVAC -- Status: Malfunction 0010
09-Cent. Elect. -- Status: Malfunction 0010
15-Airbags -- Status: OK 0000
16-Steering wheel -- Status: OK 0000
17-Instruments -- Status: Malfunction 0010
19-CAN Gateway -- Status: Malfunction 0010
25-Immobilizer -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: Malfunction 0010
46-Central Conv. -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
56-Radio -- Status: Cannot be reached 1100
7D-Aux. Heat -- Status: OK 0000

-------------------------------------------------------------------------------
Address 01: Engine        Labels: 03G-906-016-BKC.lbl
  Part No SW: 03G 906 016 B    HW: 028 101 147 8
  Component: R4 1,9L EDC         5645  
  Shop #: WSC 01287 785 00200
  VCID: 22405DE2FDD4D03

No Faults Found
 or DTCs not supported by controller
 or a communication error occurred

-------------------------------------------------------------------------------
Address 03: ABS Brakes        Labels: 1K0-907-379-MK60-F.lbl
  Part No: 1K0 907 379 K
  Component: ESP FRONT MK60      0103  
  Coding: 0021121
  Shop #: WSC 01287 785 00200
  VCID: 3A7085827544B83

2 Faults Found
01314 - Engine Control Module
           013 - Check DTC Memory - Intermittent
01314 - Engine Control Module
           004 - No Signal/Communication

-------------------------------------------------------------------------------
Address 08: Auto HVAC        Labels: 1K0-820-047.lbl
  Part No: 1K0 820 047 CB
  Component: Climatic PQ35   080 0201  
  Shop #: WSC 00000 000 00000
  VCID: 66C801F2517CEC3

1 Fault Found
01314 - Engine Control Module
           013 - Check DTC Memory

-------------------------------------------------------------------------------
Address 09: Cent. Elect.        Labels: 3C0-937-049-23-M.lbl
  Part No SW: 1K0 937 049 K    HW: 1K0 937 049 K*
  Component: Bordnetz-SG 1.0 H30 0701  
  Revision: 00030000    Serial number: 00000000444002
  Coding: 00890F0600041800001400001400000000
  Shop #: WSC 00000 000 00000
  VCID: 37769CB64656A5B

  Subsystem 1 - Part No: 1K2 955 119 B
  Component: Wischer VW350  012  0401  
  Coding: 00065493
  Shop #: WSC 00000  

2 Faults Found
02395 - Parking Light Right Front (M3)
           012 - Electrical Fault in Circuit
01314 - Engine Control Module
           004 - No Signal/Communication

-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 1K0-909-605.lbl
  Part No SW: 1K0 909 605 A    HW: 1K0 909 605 A
  Component: 0M AIRBAG VW8   022 0500  
  Revision: 04022000    Serial number: 0033FD07GZ5B  
  Coding: 0012365
  Shop #: WSC 01268 785 00200
  VCID: 2A50B5C285E4083

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel        Labels: 1K0-953-549-MY8.lbl
  Part No SW: 1K0 953 549     HW: 1K0 953 549
  Component: Lenks?ulenmodul 012 0030  
  Coding: 0000002
  Shop #: WSC 01287 785 00200
  VCID: EFE6E4D6FE86ADB

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments        Labels: 1K0-920-xxx-17.lbl
  Part No: 1K0 920 950 L
  Component: KOMBIINSTRUMENT VDD 3554  
  Coding: 0001401
  Shop #: WSC 00578 210 64257
  VCID: 3162A2AEA8327BB

1 Fault Found
01314 - Engine Control Module
           004 - No Signal/Communication

-------------------------------------------------------------------------------
Address 19: CAN Gateway        Labels: 1K0-907-530.lbl
  Part No SW: 1K0 907 530 C    HW: 1K0 907 951
  Component: Gateway         H08 0080  
  Revision: 08          Serial number: 21001041105134
  Coding: 3D0F0B40070003
  Shop #: WSC 01287 785 00200
  VCID: 27564CF696F635B

3 Faults Found
01305 - Databus for Infotainment
           004 - No Signal/Communication
            Freeze Frame:
                   Fault Status: 01100100
                   Fault Priority: 1
                   Fault Frequency: 76
                   Reset counter: 67
                   Mileage: 146831 km
                   Time Indication: 0
                   Date: 2000.00.00
                   Time: 00:07:47

01304 - Radio
           004 - No Signal/Communication
            Freeze Frame:
                   Fault Status: 01100100
                   Fault Priority: 2
                   Fault Frequency: 76
                   Reset counter: 67
                   Mileage: 146831 km
                   Time Indication: 0
                   Date: 2000.00.00
                   Time: 00:07:51

01314 - Engine Control Module
           004 - No Signal/Communication - Intermittent
            Freeze Frame:
                   Fault Status: 00100100
                   Fault Priority: 2
                   Fault Frequency: 9
                   Reset counter: 107
                   Mileage: 146831 km
                   Time Indication: 0


-------------------------------------------------------------------------------
Address 25: Immobilizer        Labels: Redir Fail!
  Part No: 1K0 920 950 L
  Component: IMMO                3554  
  Shop #: WSC 00000 000 00000
  VCID: 3162A2AEA8327BB

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver        Labels: 1K0-959-701-MIN1.lbl
  Part No: 1K0 959 701 E
  Component: Tuersteuergeraet 09 0116  
  Coding: 0000052
  Shop #: WSC 01287 785 00200
  VCID: 3064A7AAA338723

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist        Labels: 1Kx-909-14x-44.clb
  Part No: 1K2 909 144 E
  Component: EPS_ZFLS Kl.2       1202  
  Shop #: WSC 00000 000 00000
  VCID: 2E58B9D2B90C643

2 Faults Found
01314 - Engine Control Module
           004 - No Signal/Communication
            Freeze Frame:
                   Mileage: 6800 km
                   Temperature: 23.0?C
                   Voltage: 11.20 V
                   Voltage: 11.00 V

00668 - Supply Voltage Terminal 30  
           002 - Lower Limit Exceeded - Intermittent
            Freeze Frame:
                   Mileage: 6800 km
                   Temperature: 26.0?C
                   Voltage: 8.40 V
                   Voltage: 10.20 V


-------------------------------------------------------------------------------
Address 46: Central Conv.        Labels: Redir Fail!
  Part No: 1K0 959 433 C
  Component:    KSG              0201  
  Coding: 19E802087F2D8F0F085B0100
  Shop #: WSC 00591 210 68245
  VCID: 3064A7AAA338723

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass.        Labels: 1K0-959-702-MIN1.lbl
  Part No: 1K0 959 702 E
  Component: Tuersteuergeraet 09 0116  
  Coding: 0000052
  Shop #: WSC 01287 785 00200
  VCID: 3162A2AEA8327BB

No fault code found.

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

-------------------------------------------------------------------------------
Address 7D: Aux. Heat        Labels: 1K0-963-235.lbl
  Part No SW: 1K0 963 235 C    HW: 1K0 963 235 C
  Component: PTC-Element         0404  
  Revision: 00600000    Serial number:              
  Shop #: WSC 00000 000 00000
  VCID: 2B5EB0C68A1E11B

No fault code found.
« Last Edit: June 26, 2014, 08:28:28 pm by jameelno1 »
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Offline fab5freddy

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Re: car wont start when hot!! Update: ECU at fault
« Reply #1 on: June 26, 2014, 10:24:13 pm »
Never used them myself, but heard good things  :happy2:

http://bba-reman.com/uk/
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Offline Eddie-NL

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Re: car wont start when hot!! Update: ECU at fault
« Reply #2 on: June 26, 2014, 10:37:34 pm »
Check the wiring to the ECU

Had a similar issue on a 6R polo, turned out to be 2 wires that were damaged
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Offline jameelno1

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Re: car wont start when hot!! Update: ECU at fault
« Reply #3 on: June 27, 2014, 11:36:54 am »
Quote from: Eddie-NL on June 26, 2014, 10:37:34 pm
Check the wiring to the ECU

Had a similar issue on a 6R polo, turned out to be 2 wires that were damaged


will have a look today for any broken wires. ecu gets hot so wont communicate with engine when its cold it starts first time 
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Offline Eddie-NL

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Re: car wont start when hot!! Update: ECU at fault
« Reply #4 on: June 27, 2014, 11:59:28 am »
it is not just a case of looking at the wires you need to check them properly.

the polo was the same, would run till it got to temperature then it would cut out.

as the problem got worse it wouldn't start at all and vcds wouldn't communicate with the ECU in the end
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Offline jameelno1

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Re: car wont start when hot!! Update: ECU at fault
« Reply #5 on: June 27, 2014, 12:04:12 pm »
Quote from: Eddie-NL on June 27, 2014, 11:59:28 am
it is not just a case of looking at the wires you need to check them properly.

the polo was the same, would run till it got to temperature then it would cut out.

as the problem got worse it wouldn't start at all and vcds wouldn't communicate with the ECU in the end

thanks thats exactly what my problem is will get the wiring tested then
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