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fault code

hades- Jan 14, 2012

  1. hades-

    hades- Yorkshire & Humber Rep. Regional Rep VCDS Map User

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    17606 - Oxygen (Lambda) Sensor Heater Circuit: B1 S2
    P1198 - 35-00 - Electrical

    from vcds wiki
    17606/P1198 - Oxygen (Lambda) Sensor Heater Circuit: B1 S2: Electrical Malfunction [h=4]Possible Causes[/h]
    • Failed O2 sensor heater circuit
    • Wiring Harness issue
    • Failing ECM
    [h=4]Possible Solutions[/h]
    • Inspect and test O2 sensor heater circuit as per repair manual
    • Inspect and test wiring harness as per wiring diagram
    • Replace ECM if O2 sensor and wiring harness are to factory design
    whats the ECM ?
     
  2. murran

    murran Well-Known Member

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    engine control modual. ecu basically.

    you need a new lambda sensor most likely. check the resistance thru the heater circuit on the sensor itself.
     
  3. hades-

    hades- Yorkshire & Humber Rep. Regional Rep VCDS Map User

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    cheers murran
    would that be the pre cat lambe or the 1 after the cat ?
     
  4. murran

    murran Well-Known Member

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    b1 s2 it says.... s2 = sensor 2 = post cat sensor.

    s1 being the pre cat sensor.
     

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