Avalanche 1500 2WD V8-5.3L (2008)
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Refer to the table above for correct P/N to update the SDM Operating System and SDM System Calibration using SPS.
FOR BUMPER REPLACEMENT
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When bumper bar replacement is required on any 2007 and 2008 vehicle, refer to the table for the correct P/N.
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For vehicles built after 9/17/2007, replace the Inflatable Restraint Front End Sensor (EFS) with P/N 25896408 (2nd design).
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Verify the SDM calibration P/N, which is dependent upon the RPO option and build date (see table).
If the vehicle comes in with the air bag deployed, all appropriate service protocols/bulletins need to be followed, including the ones above.
The table shows what part numbers and calibration are compatible with each other.
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