LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2005 >> Escalade EXT >> Repair and Diagnosis >> Brakes >> Antilock Brake System, Traction Control System & Stability Control System >> Diagnostic Information and Procedures >> DTC C0220 >> Test Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Test Description

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 Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
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 brake pressure modulator valve (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 
scientia non olet · About LEMON Manuals