Circuit/System Verification
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban, and 2018 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON
- Verify the ABS pump motor turns On and Off when commanding the ABS Pump Motor On and Off with a scan tool.
- If the pump motor does not turn On and Off
Refer to Circuit/System Testing below.
- Go to next step: If the pump motor turns On and Off
- If the pump motor does not turn On and Off
- All OK.