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What is your question?
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Anytime there is a deployment, all impact sensors must be replaced along with the sensor and diagnostic module which will have a latched code for deployment....Accident With Frontal Air Bag Deployment -Component Replacement and Inspections After a collision involving air bag deployment, replace the following components. If you detect any damage, replace the component. If you detect any damage to the mounting points or mounting hardware, repair or replace the mounting points and mounting hardware as needed. Important: The front passenger seat is equipped with a PPS, which detects an occupant. If the requirements for disabling the I/P air bag are met then the PPS will communicate with the SDM to disable/turn off the I/P air bag, even in a accident. For more information on the PPS refer to SIR System Description and Operation . Inflatable restraint front end sensors • Inflatable restraint I/P module, if deployed and after performing the necessary inspections listed above • Inflatable restraint sensing and diagnostic module (SDM) • Inflatable restraint steering wheel module • Inflatable restraint steering wheel module coil • Seat belt pretensioners Perform additional inspections on the following components: • Steering wheel module coil and the coil wiring pigtail-Inspect for melting, scorching, or other damage due to excessive heat. • Mounting points or mounting hardware for the I/P module, steering wheel module, SDM, front end sensors, seat belt pretensioners, and vehicle rollover sensor-Inspect for any damage and repair or replace each component as needed. • Passenger Presence System (PPS) for damage to the wiring or pressure system
Do you just need to replace a failed impact sensor that has turned the air bag light on? .. 'IF' that's the case, the best I can remember, the dealer actually has the best price... Call GM dealer parts department with last 8 digits of the vehicle I'd number... > **Part # revisions may be applicable** Then shop around local parts stores if desired... Both are the same I'm pretty sure but not positive! .. Have replaced a few of them but then I don't normally do parts procurement.. I just check em out to be sure that's what is needed 'before' hand! .. The sensors on the vehicle should have a part number on them... Look to see if they are the same!