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.
Inflatable Restraint Sensing and Diagnostic Module Replacement (With RPO Code AG1/AG2)
2006 Buick Lucerne V6-3.8L VIN 2SECTION Inflatable Restraint Sensing and Diagnostic Module Replacement (With RPO Code AG1/AG2)
INFLATABLE RESTRAINT SENSING AND DIAGNOSTIC MODULE REPLACEMENT (WITH RPO CODE AG1/AG2)
REMOVAL PROCEDURE
1. Disable the SIR system. Refer to SIR Disabling and Enabling Zone 8.
CAUTION: Do not strike or jolt the inflatable restraint sensing and diagnostic module (SDM). Before applying power to the SDM, make sure that it is securely fastened with the arrow facing toward the front of the vehicle. Failure to observe the correct installation procedure could cause SIR deployment, personal injury, or unnecessary SIR system repairs.
2. Move both driver and passenger seat forward and/or to the rear in order to gain access to console fasteners.
3. Remove the console.
4. Remove the connector position assurance (CPA) (1) from the inflatable restraint SDM wiring harness connector (2).
5. Push down flex lock button (3) and then move sliding connector locking cover (4) to the open position.
6. Remove push-on clip (1) securing SDM wiring harness to console stud.
7. Disconnect the SDM wiring harness connector (3) from the SDM (2).
8. Remove the SDM mounting fasteners (1).
9. Remove the SDM (2) from the console floor (3).
INSTALLATION PROCEDURE
1. Remove any dirt, grease, or other impurities from the mounting surface.
2. Install the SDM (2) horizontally to console floor (3).
3. Point the arrow on the SDM toward the front of the vehicle.
4. Install the SDM mounting fasteners (1).
Tighten the fasteners to 9 N.m (80 lb in).
NOTE: Refer to Fastener Notice in Service Precautions.
5. Connect the SDM wiring harness connector (3) to the SDM (2).
6. Install the push-on clip (1) securing the SDM wiring harness to the console stud.
7. Push down flex lock button (3) and then move sliding connector locking cover (4) to the close position.
8. Install the CPA (1) to the inflatable restraint SDM wiring harness connector (2).
9. Install the carpet pre-slit to the close position covering the inflatable restraint SDM.
10. Install the console.
11. Position the driver and passenger seats to the original positions.
12. Enable the SIR system. Refer to SIR Disabling and Enabling Zone 8.
13. Program the new SDM into the dash integration module (DIM). Refer to Body Control Module (BCM) Programming/RPO Configuration in Computer/Integrating Systems.
IMPORTANT: The AIR BAG indicator may remain ON after the SDM has been replaced. DTC B1001 may set requiring the SDM part number to be set in multiple modules. If the indicator remains ON after enabling the SIR system, perform the diagnostic system check and follow the steps thoroughly to ensure that the SDM is set properly. Testing and Inspection
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.
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.