Conditions for Running the DTC

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 GMC Yukon XL, 2004 GMC Yukon, 2004 Chevrolet Tahoe, 2004 Chevrolet Suburban, and 2004 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

The ignition is ON.
The VSES sensors have been successfully initialized. Refer to ABS Description and Operation (W/JL4) or ABS Description and Operation (W/O JL4) for a complete explanation of VSES sensor initialization.