SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESANTI-LOCK BRAKESANTILOCK BRAKE SYSTEM WITH TRACTION CONTROL SYSTEM & STABILITY CONTROL SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESDTC C0269 OR C0274TEST 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). Perform dump valve solenoid tests for DTC C0269 or isolation valve solenoid tests for DTC C0274.
DTC C0269 or C0274

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

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.