307 ABS light

Discussion in 'Peugeot 307' started by Phil O. Sopher, Aug 22, 2009.

  1. Sorry if this has been covered before, but only discovered this NG today.

    The ABS light is on.

    My local garage (not a Peugeot dealer) had the ABS interrogated to be
    told that it was a rear wheel sensor problem, They drove for 5 miles after
    replacing sensor and the alarm light returned. The computer diagnostics
    still insist that it is a sensor fault.

    Are there known problems with the 307 ABS unit, such as faulty wiring
    looms which would give a chronic ABS alarm?

    This is a most annoying syndrome because if one is a good driver, then
    a reason for the ABS to trigger might only happen once in 5 years, so
    a fault in a rarely-used luxury adornment makes the ABS a waste of time
    and money (Local garage has had the car for over a week now)
     
    Phil O. Sopher, Aug 22, 2009
    #1
  2. Phil O. Sopher

    Chris Guest

    has the car been washed maybe there is water getting in so check it out.
     
    Chris, Aug 22, 2009
    #2
  3. Maybe the sensor on the other rear wheel needs replacing too. That's what
    happened with my 53 plate 307.
     
    Godfrey Wilkes, Aug 23, 2009
    #3
  4. Both have been replaced and the diagnostic tool insists that it is the
    driver's side
    rear sensor.
     
    Phil O. Sopher, Aug 23, 2009
    #4
  5. Phil O. Sopher

    Bob Minchin Guest

    Maybe you should consider using your own inbuilt diagnostic tool? :)
    If the sensor has been replaced correctly (and not damaged by your
    non-pug garage) then it must be the connectors, wiring or controller at
    fault.
    Very few auto connectors are properly designed for conducting small
    signals from relatively high impedance sensors. Suspect these first.

    Bob
     
    Bob Minchin, Aug 23, 2009
    #5
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