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 MANUALSCHEVROLET2005TRAILBLAZER 4WD V8-5.3L VIN MREPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - RESTRAINTS AND SAFETY SYSTEMSAIR BAG CONTROL MODULESERVICE AND REPAIRINFLATABLE RESTRAINT SENSING AND DIAGNOSTIC MODULE PROGRAMMING AND SETUP
2005 Chevrolet TrailBlazer 4WD V8-5.3L VIN M
Inflatable Restraint Sensing and Diagnostic Module Programming and Setup
2005 Chevrolet TrailBlazer 4WD V8-5.3L VIN MSECTION Inflatable Restraint Sensing and Diagnostic Module Programming and Setup
INFLATABLE RESTRAINT SENSING AND DIAGNOSTIC MODULE PROGRAMMING AND SETUP
INTRODUCTION
The replacement of the inflatable restraint sensing and diagnostic module (SDM) will require that the SDM part number be relearned by other modules such as the body control module (BCM) and the powertrain control module (PCM). The following procedures are designed to setup the SDM correctly and must be performed.
IMPORTANT: The Air Bag indicator may illuminate and DTC B1001 may set during the BCM reprogramming procedure.
1. With the Tech 2 perform the BCM SPECIAL FUNCTION, Setup SDM Serial Number in BCM Procedure.
2. Clear any diagnostic trouble codes (DTC).
3. Perform the Diagnostic System Check - Vehicle in Vehicle DTC Information.
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.