Possible causes, elimination, notes
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 Porsche Boxster, 2003 Porsche Boxster, 2002 Porsche Boxster, 2001 Porsche Boxster, and 2000 Porsche Boxster. However, it is still accessible from the selected car via links, so may be relevant.
This fault is stored in the following cases:
- Short circuit to voltage/ground in the supply leads between the control module and angle sensor for HBA
- Angle sensor for HBA is faulty
- The control module is faulty
NOTE:
The 5V supply voltage for the sensors is ensured via terminal 14 on the HBA control module. A fault in this supply lead affects both angle sensors.