1999.5 Jetta GLS 2.0L wont start - ECM fried? - Audi Forums
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post #1 of 1 (permalink) Old 06-02-2011, 10:44 PM Thread Starter
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1999.5 Jetta GLS 2.0L wont start - ECM fried?

Hi all,

First I must confess I am a complete noob in this scene. I know a bit about cars and like tinkering with stuff so please bear with me.

I Just ‘inherited’ a VW Jetta 1999.5 2.0L that had been lying around for some time, I have an intention of fixing her up. The car has 140000 miles. So far I have run into a multitude of problems, the main problem being the engine just won’t spark, it cranks but won’t start. So far I have checked/replaced the following

1. Spark plugs – new
2. Coil pack – new
3. Wires – new
4. Engine Oil – OK
5. Timing belt – OK
6. Fuel Line – OK (pumps and injectors are working fine).

I tested for spark on the wires while cranking and got nothing. I got myself a repair manual, it looks like someone had tried to troubleshoot/fix electronics because I found some plugs loose others jumped. I have removed and fixed all these. I know I have a short somewhere because the stock radio promptly blows its fuse whenever I attempt to connect it. The strange thing is the first time I fired her up it started OK and idled for about 5 minutes before dying.

I run VAG-Com diagnostics and it came up with the following:

VCDS-Lite Version: Release 1.0
Thursday, 02 June 2011, 19:50:44:0
Chassis Type: 9M - VW Jetta IV
Scan: 01,02,03,08,15,16,17,19,22,29,35,36,37,39,46,47,55 ,56,57,75,76
-------------------------------------------------------------------------------
Address 01: Engine Labels: Redir Fail!
Controller: 06A 906 018 JA
Component: MOTRONIC M5.9.2 AT V01
Coding: 00001
Shop #: WSC 09454
1 Fault Found:
16706 - Engine Speed Sensor (G28 ): No Signal
P0322 - 35-10 - - - Intermittent
Readiness: 0110 1101
-------------------------------------------------------------------------------
Address 02: Auto Trans Labels: 01M-927-733.LBL
Controller: 01M 927 733 EN
Component: AG4 Getriebe 01M 4386
Coding: 00000
Shop #: WSC 00000
5 Faults Found:
00518 - Throttle Position Sensor (G69)
16-00 - Signal Outside Specifications
00529 - Engine Speed Signal Missing
35-00 - -
00545 - Engine-Transmission Electrical Connection
31-00 - Open or Short to Ground
01314 - Engine Control Module
49-00 - No Communications
01312 - Powertrain Data Bus
49-00 - No Communications
-------------------------------------------------------------------------------
Address 03: ABS Brakes Labels: 1J0-907-37x-ABS.LBL
Controller: 1J0 907 379 G
Component: ABS 20 IE CAN 0001
Coding: 03504
Shop #: WSC 00066
5 Faults Found:
01276 - ABS Hydraulic Pump (V64)
16-00 - Signal Outside Specifications
01315 - Transmission Control Module
49-00 - No Communications
00283 - Front Left ABS Wheel Speed Sensor (G47)
04-10 - Mechanical Malfunction - Intermittent
00285 - ABS Wheel Speed Sensor; Front Right (G45)
04-10 - Mechanical Malfunction - Intermittent
00668 - Supply Voltage Terminal 30
16-10 - Signal Outside Specifications - Intermittent
-------------------------------------------------------------------------------
Address 15: Airbags Labels: 1J0-909-60x-VW3.LBL
Controller: 1J0 909 609
Component: C AIRBAG VW3 SG 0002
Coding: 00067
Shop #: WSC 00066
1 Fault Found:
00532 - Supply Voltage B+
07-10 - Signal too Low - Intermittent
-------------------------------------------------------------------------------
Address 17: Instruments Labels: 1J0-919-***-17.LBL
Controller: 1J0 919 951 C
Component: A4-KOMBIINSTR. VDO V57
Coding: 06242
Shop #: WSC 00000
No fault code found.
-------------------------------------------------------------------------------
Address 46: Central Conv. Labels: 1J0-959-799.LBL
Controller: 1J0 959 799 AJ
Component: 61 Zentral-SG Komf. 0001
Coding: 04096
Shop #: WSC 00066
12 Faults Found:
00953 - Interior Light Time limit
25-10 - Unknown Switch Condition - Intermittent
01330 - Central Control Module for Central Convenience (J393)
53-10 - Supply Voltage Too Low - Intermittent
01331 - Door Control Module; Driver Side (J386)
53-10 - Supply Voltage Too Low - Intermittent
01331 - Door Control Module; Driver Side (J386)
52-10 - Supply Voltage Too High - Intermittent
00943 - Heated Exterior Mirror; Driver Side (Z4)
35-00 - -
01332 - Door Control Module; Passenger Side (J387)
53-10 - Supply Voltage Too Low - Intermittent
01332 - Door Control Module; Passenger Side (J387)
52-10 - Supply Voltage Too High - Intermittent
00944 - Heated Exterior Mirror; Passenger Side (Z5)
35-00 - -
01333 - Door Control Module; Rear Left (J388 )
53-10 - Supply Voltage Too Low - Intermittent
01333 - Door Control Module; Rear Left (J388 )
52-10 - Supply Voltage Too High - Intermittent
01334 - Door Control Module; Rear Right (J398 )
53-10 - Supply Voltage Too Low - Intermittent
01334 - Door Control Module; Rear Right (J398 )
52-10 - Supply Voltage Too High - Intermittent
End --------------------------------------------------------------------------------------------------

Someone suggested my ECM was toast. Could this be the case?

I would really appreciate it if anyone pointed me to the right direction on what components to start troubleshooting or replacing. I hope I did not bore you with the lengthy text!

Thanks!
senela is offline  
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