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.
2007 Chevrolet Chevy Express G3500, Van Cargo Extended, 6.6 6FACTORY OEM SERVICE PROCEDURE
Supplemental Inflatable Restraint System
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- SIR Component Views
- SIR Identification Views
- SIR Connectors
- Inflatable Restraint Front End Sensor (Heavy Duty)
- Inflatable Restraint Front End Sensor (Light Duty)
- Inflatable Restraint I/P Module (Heavy Duty)
- Inflatable Restraint I/P Module (Light Duty)
- Inflatable Restraint I/P Module Disable Switch (Heavy Duty)
- Inflatable Restraint PASSENGER AIR BAG ON/OFF Indicator (Light Duty w/o YF7)
- Inflatable Restraint Passenger Presence System (PPS) Module (Light Duty w/o YF7)
- Inflatable Restraint Seat Position Sensor (SPS) - Left (Light Duty)
- Inflatable Restraint Seat Position Sensor (SPS) - Right (Light Duty)
- Inflatable Restraint Sensing and Diagnostic Module (SDM)
- Inflatable Restraint Steering Wheel Module (Heavy Duty)
- Inflatable Restraint Steering Wheel Module - C1 (Light Duty)
- Inflatable Restraint Steering Wheel Module - C2 (Light Duty)
- Seat Belt Buckle Driver - C2 (Light Duty)
- Seat Belt Buckle Passenger - C2 (Light Duty)
- Diagnostic Information and Procedures
- Diagnostic Code Index
- Diagnostic Starting Point - SIR
- Passenger Presence System Displaying Code Procedure
- Scan Tool Data List
- Scan Tool Data Definitions
- DTC 1049-1050
- DTC 1051
- DTC 1052, 1053, 1054, 1055, 1056, or 1057
- DTC 1058-1062
- DTC 1063
- DTC 2036-2045
- DTC 3011-3035
- DTC B0012, B0013, B0014, B0016, B0017, or B0018
- DTC B0022, B0024, B0026, B0042, B0043, or B0044
- DTC B0051
- DTC B0053
- DTC B0057, B0058, or B0059
- DTC B0064, B0065, or B0066
- DTC B0083 or B0084
- DTC B0090
- DTC B0091
- DTC B0092
- DTC B0098
- DTC B0100, B0101, or B0102
- DTC B1001
- Passenger Presence System Preload Test
- Symptoms - SIR
- Air Bag Indicator Circuit Malfunction
- Passenger Presence System Indicator Circuit Malfunction
- SIR Disabling and Enabling
- Repair Instructions
- Inflatable Restraint Front End Sensor Replacement
- Inflatable Restraint Sensing and Diagnostic Module Replacement
- Inflatable Restraint Steering Wheel Module Replacement
- Inflatable Restraint Steering Wheel Module Coil Replacement
- Inflatable Restraint Steering Wheel Module Coil Centering
- Inflatable Restraint Instrument Panel Module Replacement
- Inflatable Restraint Seat Position Sensor Replacement
- Inflatable Restraint Passenger Presence System Replacement - Front
- Instrument Panel Inflatable Restraint Module Indicator Replacement
- Inflatable Restraint Instrument Panel Module Disable Switch Replacement
- Seat Belt Buckle Pretensioner Replacement
- Repairs and Inspections Required After a Collision
- Inflator Module Handling and Scrapping
- Pretensioner Handling and Scrapping
- Description and Operation
- SIR System Description and Operation
- SIR System Overview
- Frontal SIR System Description
- Inflatable Restraint Sensing and Diagnostic Module (SDM)
- Inflatable Restraint Passenger Presence System (PPS)
- Inflatable Restraint Seat Position Sensors (SPS)
- AIR BAG Indicator
- Inflatable Restraint PASSENGER AIR BAG ON/OFF Indicators
- Single Stage Inflator Modules (Heavy Duty)
- Dual Stage Inflator Modules (Light Duty)
- Inflatable Restraint Steering Wheel Module Coil
- Inflatable Restraint Front End Sensor
- Inflatable Restraint I/P Module Disable Switch (Heavy Duty)
- Inflatable Restraint Wiring Harnesses
- Seat Belt Pretensioner
- Steering Wheel and Column
- Driver and Passenger Knee Bolsters
- SIR System Description and Operation
- Special Tools and Equipment
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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