Diagnostic Aids
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. 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
| 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 |