Diagnostic Aids
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect the brake switch for proper mounting and operation.
- Inspect for ABS DTCs. A faulty ABS condition may contribute to setting DTC P0719.
- It may be necessary to also clear this DTC from the engine control module (ECM).