Position sensor: Diagnostics
WARNING: This page is about a different car, the 2001 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.
If an open circuit/short circuit to B+ or ground should occur in the Hall sensor circuit, a diagnostic trouble code will be generated. The motor concerned, except for the backrest motor, can be operated for 500 ms.
One or more of the following DTCs are generated:
B2101 Motor, legroom adjustment
B2106 Motor, front seat edge
B2111 Motor, rear seat edge
B2116 Motor, backrest