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Home >> Cadillac >> 2003 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 459 (Antilock Brake System, Traction Control System & Stability Control System) >> Diagnostic Information and Procedures >> DTC C0220: Left Front Antilock Brake System (ABS) Channel in Release Too Long >> Test Description
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Test Description

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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 C0220

Step Action Yes No
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 
  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 (W/O JL4 or NW7)  or Scan Tool Output Controls (W/JL4)  or Scan Tool Output Controls (W/NW7) .
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 (w/ JL4)  or Brake Pressure Modulator Valve (BPMV) Replacement (w/o JL4) .
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 
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