Test Description

2001 Chevrolet Suburban C1500SECTION Test Description

The number below refers to the step number on the diagnostic table.

  1. This step tests if the IPC is able to turn OFF the ABS indicator.

ABS Indicator Always On

Step Action Yes No
IMPORTANT:

After a wheel speed sensor DTC is cleared and the ignition is ON, the ABS indicator may remain ON until the EBCM completes a power-up self test. This test concludes when the vehicle reaches a speed greater than 13 km/h (8 mph) and the wheel speeds are verified by the EBCM.

1 Did you perform the ABS Diagnostic System Check? Go to Step 2  Go to Diagnostic System Check - ABS 
2
  1. Turn OFF the ignition for 5 seconds.
  2. Turn ON the ignition while observing the ABS indicator.
Does the ABS indicator illuminate for 2 seconds and then turn OFF?
Go to Diagnostic Aids Go to Step 3 
  1. Install a scan tool.
  2. Select the Instrument Panel Cluster Special Functions menu on the scan tool.
  3. Command the ABS Lamp Off.
Does the ABS indicator turn OFF?
Go to Step 5  Go to Step 4 
4 Replace the instrument panel cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges, and Console.
Did you complete the replacement?
Go to Step 6  -
5
IMPORTANT:

Following EBCM replacement, use the scan tool to perform the Tire Size Calibration procedure.

Replace the EBCM. Refer to Electronic Brake Control Module Replacement .Did you complete the replacement?
Go to Step 6  -
6
  1. Turn OFF the ignition for 5 seconds.
  2. Turn ON the ignition while observing the ABS indicator.
Does the ABS indicator illuminate for 2 seconds and then turn OFF?
System OK Go to Step 3 
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.