Conditions For Running 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 run under the following conditions:
- The system voltage is greater than 11 volts at -40°F (-40°C) transmission fluid temperature or 12 volts at 302°F (150°C) transmission fluid temperature.
- The engine must be running more than 300 RPM for at least 7 seconds, and not in fuel cut-off.