Conditions For Setting DTC P0748
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.
DTC will set under the following conditions:
- DTC P0748 sets when the duty cycle is outside the range of .5-95 percent for .2 seconds.