Conditions For Running DTC
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, and 2002 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
- DTCs P1517 or P1518 not set.
- Ignition switch in the crank or run position.
- Ignition voltage greater than 5.23 volts.