Diagnostic Aids
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Replace the EBCM if this DTC continues to set intermittently.
DTC C0550 Diagnostic Test
| Step | Action | Yes | No |
|---|---|---|---|
| 1 | Did you perform the ABS Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - ABS |
| 2 | Use a scan tool in order to clear the DTCs. Can the DTC be cleared? |
Go to Step 3 | Go to Step 4 |
| 3 | Start the engine and allow the engine to idle. Does the DTC reset? |
Go to Step 4 | Go to Diagnostic Aids |
| 4 |
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 5 | - |
| 5 |
|
Go to Step 3 | System OK |