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    Thread: Confusion on multiple fronts. Thanks for your help

    1. 09-18-2019 04:07 PM #1
      Hello from New England. I've got a big ol' request for the group's problem-solving brains.

      I've had my 2005 Passat GLS 4-motion wagon for about a year and it has never passed inspection. Shortly after taking ownership the radio/cd stopped working, won't turn on. It later had a bit of a fender-bender and lost A/c, probably a leak as I can see damage to one of the refrigerant service lines. And most recently it feels that the turbo is not engaging. I have the sneaking suspicion that it is relay or computer related rather than solely age and parts related. I am including the diagnostics test for review. Any insights will be appreciated as I would like to avoid taking it in to the dealer and the local shop has reached a terminus.


      VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x86
      VCDS Version: HEX-NET CB: 0.4508.4
      Data version: 20190529 DS308.0

      VIN: License Plate: BROWNSON
      Mileage: 239960km-149104mi Repair Order:


      Chassis Type: 3B (3B - VW Passat B5 (1997 > 2005))
      Scan: 01 02 03 08 15 16 17 19 35 36 37 46 47 55 56 57 58 75 76 77

      VIN: Mileage: 239960km-149104miles
      Address 01: Engine Labels: 06B-906-018-AWM.clb
      Part No SW: 4B0 906 018 DQ HW:
      Component: 1.8L R4/5VT G 0060
      Revision: 00000000 Serial number: VWZ7Z0D1238381
      Coding: 0016751
      Shop #: WSC 08056 444 84933
      VCID: 73A6C4BD13225DD794-5160

      3 Faults Found:
      17526 - Oxygen (Lambda) Sensor Heating; B1 S2
      P1118 - 004 - Open Circuit - MIL ON
      17524 - Oxygen (Lambda) Sensor Heating; B1 S1
      P1116 - 004 - Open Circuit - MIL ON
      16683 - Boost Pressure Regulation
      P0299 - 002 - Control Range Not Reached - MIL ON
      Readiness: 0010 1101

      Address 02: Auto Trans Labels: 01V-927-156.lbl
      Part No: 3B0 927 156 CB
      Component: AG5 01V 1.8l5VT USA 0505
      Coding: 0001102
      Shop #: WSC 05311 000 00000
      VCID: 689CA3D15AE4AE0F31-5160

      No fault code found.

      Address 03: ABS Brakes Labels: 4B0-614-517.lbl
      Part No: 4B0 614 517 H
      Component: ABS/ESP allrad 3428
      Coding: 04277
      Shop #: WSC 05311
      VCID: 2600EDE9C070787FC3-51CE

      No fault code found.

      Address 15: Airbags Labels: 6Q0-909-605-VW5.lbl
      Part No: 1C0 909 605 C
      Component: 09 AIRBAG VW61 04 0003
      Coding: 12345
      Shop #: WSC 05311
      VCID: 2404F7E1B64C8A6FDD-513C

      1 Fault Found:
      00532 - Supply Voltage B+
      07-10 - Signal too Low - Intermittent

      Address 16: Steering wheel Labels: 1J0-907-487-A.lbl
      Part No: 1J0 907 487 A
      Component: Lenkradelektronik 0005
      Coding: 00118
      Shop #: WSC 05311
      VCID: 2F2E08CDEF8A393730-5184

      No fault code found.

      Address 17: Instruments Labels: 3B0-920-xx5-17.lbl
      Part No: 3B0 920 929 B
      Component: KOMBI+WEGFAHRSP VDO V07
      Coding: 15235
      Shop #: WSC 00000
      VCID: 2600EDE9C070787FC3-513C
      WVWDD63BX5E125569 VWZ7Z0D1238381

      1 Fault Found:
      01304 - Radio
      49-00 - No Communications

      Address 19: CAN Gateway Labels: 6N0-909-901-19.lbl
      Part No: 6N0 909 901
      Component: Gateway K<->CAN 0001
      Coding: 00006
      Shop #: WSC 05311
      VCID: 70ACCBB1323466CF69-513C

      1 Fault Found:
      01304 - Radio
      49-00 - No Communications

      Address 46: Central Conv. Labels: 1C0-959-799.lbl
      Part No: 1C0 959 799 C
      Component: 80 Komfortgerát HLO 0004
      Coding: 00258
      Shop #: WSC 05311
      VCID: 373E30AD17DAF1F768-4B1E

      Subsystem 1 - Part No: 1C1959801
      Component: 80 Tõrsteuer.FS KLO 0202

      Subsystem 2 - Part No: 1C1959802
      Component: 80 Tõrsteuer.BF KLO 0202

      Subsystem 3 - Part No: 1C0959811
      Component: 80 Tõrsteuer.HL KLO 0202

      Subsystem 4 - Part No: 1C0959812
      Component: 80 Tõrsteuer.HR KLO 0202

      No fault code found.

      End----------(Elapsed Time: 04:37, VBatt start/end: 13.5V/13.5V)-----------

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    3. 09-18-2019 06:39 PM #2
      I would clear the codes and drive the car a bit to see which ones come back. Some may just be nuisance codes that don't mean anything.

      The two 02 sensor codes could be bad sensors or bad wires but since they both show a heater fault it could be the relay that supplies power to heat the sensors is broken. I don't know which relay that is but I'm sure someone here will chime in with the answer. If you're really lucky that relay could also affect the turbo blowoff valve and you could solve all 3 problems in one shot. Or, more likely, you have multiple issues.

      The O2 sensors should be easy to diagnose by checking for power at the plugs that connect to them. When the car is running but the engine is cold, you should see 12V to the heater wires on both plugs. Once again, sorry I can't remember the details but I'm sure you can find the answers quickly with a search. There should be 2 wires for the heater to each sensor. If you see 12V there the sensors are probably bad (you can measure the resistance across the heater in them through the other end of the plug once you determine which wires are which). If you don't see 12V at the sensor plugs, the problem is upstream of that point and is probably the relay. I'd solve that first and then tackle the turbo fault afterwards.

    4. 09-19-2019 01:53 PM #3
      Thank you, Goldbrick. Ill let you know what I find. The fault codes are consistent after clearing several times over months. And the computer reads them almost immediately after clearing.

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    6. Member cuppie's Avatar
      Join Date
      May 3rd, 2005
      Redford, MI
      88 Scirocco 16v (Wilda); 02 Passat 1.8T wagon (the Brick); 02 Passat V6 4Mo wagon (wife's). Past: :D
      09-20-2019 05:15 PM #4
      The O2 sensor faults won't cause the boost issue.

      Cracked charge pipe? Connection blown off? Hole in the intercooler? These are things to look at.
      - Cup
      '88 Scirocco 16v, 'tastefully' modified.
      '02 Passat 1.8T (The Brick.)
      things currently broken (Scirocco): 4
      things currently broken (Passat): 2

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