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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISBRAKESANTILOCK BRAKE SYSTEM WITH TRACTION CONTROL SYSTEM & STABILITY CONTROL SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESDTC C0220TEST DESCRIPTION
2006 Chevrolet Suburban C2500, 6.0 U

Test Description

2006 Chevrolet Suburban C2500, 6.0 USECTION 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 brake pressure modulator valve (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
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 
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.