Test description
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
The numbers below refer to the step numbers on the diagnostic table.
- This step tests the cruise control set/coast switch signal circuit for an open or for a high resistance.
- This step tests the cruise control resume/accel switch signal circuit for an open or for a high resistance.
- This step tests the ignition 3 voltage circuit for an open, for a short to ground, or for a high resistance.
- DTCs will set in the PCM when you perform this table.