Conditions for Setting the DTC
WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- The EBCM detects a tire pressure difference in one tire of 69 kPa (10 psi) higher or lower than the other three.
- Loss of, or low system battery voltage.