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Home >> Porsche >> 2000 >> Boxster Base, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Exterior Lights, Lamps, Switches - Diagnosis >> System HBA 01 >> Fault overview >> Fault code 1 >> Possible causes, elimination, notes

Possible causes, elimination, notes

This fault is stored in the following cases:

  1. Short circuit to ground or open circuit in the circuit between control module and servomotor for HBA, left,  terminals 1, 2, 3, 4
  2. Servomotor for HBA, left,  is faulty
  3. The control module is faulty
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