Conditions for Running the DTC
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- DTC P0324 runs continuously when the engine speed is greater than or equal to 1,500 RPM and the engine load is greater than a calibrated amount.
- DTC P0326 runs continuously when:
- The engine speed is greater than or equal to 500 RPM
- The MAP is greater than 55 kPa
- DTCs P0120, P0121, P0122, or P0123 are not set
- DTCs P0325, P0327, P0328, P0330, P0332, and P0333 run continuously when:
- The engine coolant temperature (ECT) is greater than -40°C (-40°F)
- The engine run time is greater than 1 second
- PTO is not active