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Home >> Cadillac >> 2005 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 17 (Antilock Brake System And Traction Control System) >> Diagnostic Information and Procedures >> DTC C0228: Antilock Brake System (ABS) Channel in Release Too Long >> Test Description
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Test Description

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.

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

  1. 2:  Performing Solenoid Tests determines if there is a mechanical malfunction inside the BPMV.
DTC C0228

Step Action Yes No
1 Did you perform the ABS Diagnostic System Check? Go toStep 2  Go to Diagnostic System Check - ABS 
  1. Use a scan tool in order to clear the DTCs.
  2. Use the scan tool in order to perform the necessary Solenoid Tests. Refer to Scan Tool Output Controls (8600 GVW or under except PHT)  or Scan Tool Output Controls (Over 8600 GVW or PHT) .
Do the Solenoid Tests show the system to be functioning normally?
Go to Diagnostic Aids Go to Step 3 
3 Replace the BPMV. Refer to Brake Pressure Modulator Valve (BPMV) Replacement .
Did you complete the replacement?
Go to Step 4  -
4 Use the scan tool in order to perform the necessary Solenoid Tests.
Do the Solenoid Tests show the system to be functioning normally?
System OK Go to Step 3