Circuit/System Verification
WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
Ignition ON, observe the scan tool park lamp switch parameter while cycling the park lamp switch between the ON and OFF positions. The readings should toggle between ACTIVE and INACTIVE.
- If the readings do not change between the commanded states, refer to Park Lamp Switch Malfunction .