Conditions For Setting DTC P0748
WARNING: This page is about a different car, the 2002 GMC Yukon XL, 2002 GMC Sierra, 2002 Chevrolet Suburban, and 2002 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
DTC will set under the following conditions:
- The PC duty cycle exceeds 95 percent or is less than 1.9 percent.
- All conditions are met for 700 milliseconds (.5 second).