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Posts posted by Loren

  1. :welcomeani:




    Possible fault causes

    • Predelivery quantity or pressure in fuel low-pressure circuit too low
    • Fuel high-pressure system leaking
    • Fuel high-pressure sensor faulty
    • Fuel high-pressure pump faulty




    Possible fault causes

    • Only if the value is below the lower limit:
    •  Predelivery quantity or pressure in fuel low-pressure circuit too low
    • Tank (almost) (driven) empty
    • If the value is below or exceeds the limits:
    • Quantity control valve faulty (in fuel high-pressure pump)
    • Fuel high-pressure pump faulty

  2. Red warning in instrument cluster: 'Air spring warning'
    Control not possible


    Possible cause of fault
    - Short circuit to B+ in the wiring of pin 63 and/or pin 64 of the level control module
    - Short circuit to ground in the wiring of pin 63 and/or pin 64 of the level control module
    - Vehicle level sensors need to be calibrated
    - Level control module faulty

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