Test Description
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 number below refers to the step number on the diagnostic table.
- 3: This step tests if the IPC is able to turn OFF the ABS indicator.
ABS Indicator Always On
| Step | Action | Yes | No |
|---|---|---|---|
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IMPORTANT:
An ECE 13 response may cause the ABS indicator to remain ON when no DTCs are set. It is necessary to verify that ECE 13 is not causing the ABS indicator to remain illuminated, prior to performing this diagnostic. Refer to ABS Description and Operation (W/JL4) or ABS Description and Operation (W/O JL4) for a complete description of the ECE 13 response.
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| 1 | Did you perform the ABS Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - ABS (W/O JL4) or Diagnostic System Check - ABS (W/JL4) |
| 2 |
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Go to Diagnostic Aids | Go to Step 3 |
| 3 |
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Go to Step 5 | Go to Step 4 |
| 4 | Replace the instrument panel cluster. Refer to Instrument Panel Cluster (IPC) Replacement
in Instrument Panel, Gages, and Console. Did you complete the replacement? |
Go to Step 6 | - |
| 5 |
IMPORTANT:
Following EBCM replacement, perform the set-up procedure for the EBCM and use the scan tool to perform the Tire Size Calibration procedure. Replace the EBCM. Refer to Electronic Brake Control Module Replacement (w/ JL4) or Electronic Brake Control Module Replacement (w/o JL4) .Did you complete the replacement? |
Go to Step 6 | - |
| 6 |
|
System OK | Go to Step 3 |