Diagnostic Aids
WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Possible causes of this DTC are the following conditions:
- An open in the pressure sensor supply voltage circuit
- A short to ground in the pressure sensor supply voltage circuit
- A short to B+ in the pressure sensor supply voltage circuit