Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 680 (SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM)REPAIR INSTRUCTIONSSIR DISABLING AND ENABLING ZONE 1DISABLING PROCEDURE

2006 Chevrolet Suburban C2500, 6.0 U

Disabling Procedure

2006 Chevrolet Suburban C2500, 6.0 USECTION Disabling Procedure

WARNING: This page is about a different car, the 2006 GMC Sierra, 2006 GMC Cab & Chassis Sierra, 2006 Chevrolet Silverado, and 2006 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Refer to SIR Service Precautions before disabling the SIR system.

Turn the steering wheel so that the vehicles wheels are pointing straight ahead.
Turn OFF the ignition.
Remove the key from the ignition.

IMPORTANT: With the SIR fuse removed and the ignition ON, the AIR BAG indicator illuminates. This is normal operation and does not indicate an SIR system malfunction.

Remove the SIR fuse from the fuse block.
Raise and support the vehicle.

IMPORTANT: This vehicle is equipped with two inflatable restraint front end sensors. When performing this procedure be sure to include both front end sensors.

Remove the connector position assurance (CPA) from both front end sensor connectors (2) located on the frame crossmember (1).
Disconnect both front end sensor connectors (2).

Fig 1: Disconnecting Front End Sensor Connectors - Zone 1
Courtesy of GENERAL MOTORS CORP.

RENDER: 1.0x

NO RELATED

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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.