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    Thread: help with some codes please

    1. 11-03-2009 05:48 PM #1
      pulled these codes today (both CEL and ASR lights are on):

      2001 1.8t wolfsburg edition jetta

      Chassis Type: 1J - VW G/J/B Mk4
      Scan: 01,02,03,08,15,17,19,22,35,46,56

      Address 01 -------------------------------------------------------
      Controller: 06A 906 032 DL
      Component: 1.8L R4/5VT G 0006
      Coding: 07500
      Shop #: WSC 08110
      9 Faults Found:
      17833 - EVAP Purge Valve (N80): Short to Ground
      P1425
      17525 - O2S Sensor Heater Circuit Short To Ground Bank 1 Sensor 2
      P1117
      17843 - P1435 Secondary Air Injection Pump Relay Circuit Short To Ground
      P1435
      17829 - P1421 Secondary Air Injection Valve Circuit Short To Ground
      P1421
      17881 - P1473 EVAP Control System LDP Open Circuit
      P1473
      16486 - MAF or VAF circuit low input
      P0102
      17523 - P1115 O2S Sensor Heater Circuit Short To Ground Bank 1 Sensor 1
      P1115
      17522 - Oxygen (Lambda) Sensor; Bank1 Sensor2: Internal Resistance too High
      P1114
      17511 - Oxygen (Lambda) Sensor Heating; B1 S1: Performance too Low
      P1103


      Readiness: 0110 1101

      really smells like its running rich, cleaned the MAF, how likely is it that this is caused by faulty fuel pump relay (409)?

      thanks in advance guys


      Modified by 19jetta98 at 6:37 PM 11-3-2009


    2. 11-03-2009 06:22 PM #2
      anyone please?

    3. 11-03-2009 08:03 PM #3

    4. Member 1.8Tjettta01's Avatar
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      11-03-2009 08:07 PM #4
      Unplug the battery and see if i happens again.

    5. 11-03-2009 10:34 PM #5
      I cleared the codes twice already and it happens instantly,any ideas?

    6. Banned Hawaii5-0's Avatar
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      11-04-2009 01:08 AM #6
      obviously you need to check your grounds on that section of the harness, and you may have burned out your primary 02 sensor.

    7. 11-04-2009 04:37 AM #7
      I'm going to take a look at the wiring diagram in the bentley manual later on, but which harness are you referencing?

    8. 11-04-2009 04:01 PM #8
      any ideas?

    9. Member waabaah's Avatar
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      11-04-2009 04:26 PM #9
      P1425

      2002 Volkswagen Jetta GLS Wagon 1.8L

      Customer Concern: Check engine light is on.
      Tests/Procedures: 1. Scan the ECM and see if the components have the power circuit in common.

      2. Trace the Blue/Yellow wire from fuse 43 and find where it is grounded.
      Potential Causes: Shorted Circuit — To ground.
      Fuel Pump Relay
      Ignition Switch

      Tech Tips: The air pump electrical connection is right behind the oil filter.
      Diagnostic Codes: P0102, P1117, P1166, P1421, P1425, P1435, P1472, P1624
      Author: Dave Cox
      Average Reported Mileage: 105000



      Confirmed Fix Summary

      Confirmed Fix 1 - A.I.R. Pump Connector
      1 - Codes



      Confirmed Fix Details

      Tech Reported Fix Details Confirmed Fix
      Denny Sly
      June 07, 2006 2002 Volkswagen Jetta, GLS Wagon 1.8L *
      A.I.R. Pump Connector — Oil from the oil filter accumulated in the plug in the connector at the secondary air pump.
      105,000 miles A.I.R. Pump Connector
      Josh Folden
      July 02, 2007 2002 Volkswagen Jetta, GLS Wagon 1.8L *
      Codes
      - This code would not clear using my Vass equvilent scan tool. I pulled out the O.B.D.II generic scan tool and was able to clear the code with no return of the light.

      P1473
      2001 Volkswagen Jetta GLS 1.8L, Turbo, Eng Cfg L4, Eng Des AWW

      Customer Concern: The engine is running poorly. The Check Engine Light (CEL) is on. Trouble codes P0031 (16415), P0037 (16421), P0102 (16486), P0412 (16796), P0418 (16802) and P1473 (17881).
      Tests/Procedures: 1. Inspect fuse 43 in the fuse panel on the end of the left side of the dashboard (larger fuses, 2nd from the bottom in the row towards the rear of the car). Ensure the fuse is there and has power on both sides when the engine is running.
      Potential Causes: Blown Fuse
      Missing Fuse

      Tech Tips: Volkswagens may display trouble codes indicating a short to ground on the affected circuit, if the affected circuits power supply drops below a threshold voltage (typically this can occur at voltages below 10.0 Volts). Whenever multiple short to ground codes are encountered, always start diagnosis of the affected circuits by testing the common power supply for the components. In the case of fused circuits, if a blown fuse is found, testing should be performed to determine the cause of overload.
      Diagnostic Codes: 16415, 16421, 16486, 16796, 16802, 17881, P0013, P0037, P0102, P0412, P0418, P1473
      Author: Steve Griff
      Average Reported Mileage: 135407



      Confirmed Fix Summary

      Confirmed Fix 1 - Fuse S243


      p0102


      2001 Volkswagen Jetta GLS 1.8L, Turbo, Eng Cfg L4, Eng Des AWW

      Customer Concern: P0102 (VW 16486), Mass Airflow (MAF) signal too low.
      Tests/Procedures: 1. Check and verify that there are no vacuum leaks or unmetered air leaks.

      2. Check the MAF sensor grams/second readings as follows:

      A. Idle (about 830 RPM) 3.5 grams/sec or more (4 to 4.5 grams/sec preferred).

      B. 2500 RPM no load, 9 to 15 grams/sec (11 to 12 grams/sec preferred).

      C. Wide open throttle road load (drive vehicle at 45 mph in 3rd gear and perform a wide open throttle acceleration, observe maximum indicated grams/sec readings on the MAF) 90 or more grams/sec preferred.

      D. A MAF that exhibits consistently lower than normal grams/sec readings can cause a P0102 code to set.
      Potential Causes: Leaking Engine Vacuum
      Defective Mass Air Flow (MAF) Sensor

      Tech Tips: Volkswagen has issued a warranty extension due to a high number of Mass Airflow Sensor failures. Mass Airflow Sensors are now warrantied for 7 years/70,000 miles on 1999 through 2001 VW vehicles.
      Diagnostic Codes: 16486, P0102
      Author: Jim Newkirk
      Average Reported Mileage: 146231


      some of the codes didnt register for a quick fix. some of the codes also came up multiple times for the same fix. try that fuse S43

      good luck


    10. 11-07-2009 05:23 PM #10
      just an update to this thread for future reference:

      thanks to waabaah and cheers for the response turns out the oxygen censor cable pre cat was grounding itself to the cat and blew fuse 43.

      repaired and replaced.

      thanks again waabaah!


    11. 11-18-2010 05:26 PM #11
      Quote Originally Posted by 19jetta98 View Post
      just an update to this thread for future reference:

      thanks to waabaah and cheers for the response turns out the oxygen censor cable pre cat was grounding itself to the cat and blew fuse 43.

      repaired and replaced.

      thanks again waabaah!


      I know this is an old thread, but I wanted to post up and confirm that the same thing happened to me. I had the exact same codes. Sure enough fuse 43 was blown. It was from someone cutting the o2 sensor cable prior to replacing it. Thats what blew the fuse.

      Good reason to disconnect the battery when working on a car.

    12. Member rains's Avatar
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      07-20-2013 08:27 PM #12
      tons of useful info here, thanks a ton waabaah
      Quote Originally Posted by VadGTI View Post
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