Component Testing

2006 Chevrolet Suburban C2500, 6.0 USECTION Component Testing
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the inflatable restraint I/P module disable switch.
  2. Test for infinite resistance between the signal circuit terminal A and the signal circuit terminal E.
    • If less than the specified value, inflatable restraint I/P module disable switch.
  3. With the inflatable restraint I/P module disable switch select the OFF position.
  4. Test for 90-110 ohms between the ignition circuit terminal B and signal circuit terminal E.
    • If not the specified range, replace the inflatable restraint I/P module disable switch.
  5. With the inflatable restraint I/P module disable switch select the ON position.
  6. Test for 3.9k-3.2k ohms between the ignition circuit terminal B and signal circuit terminal A.
    • If not the specified range, replace the inflatable restraint I/P module disable switch.
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:

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