2008 Chevrolet Avalanche 5.3 0FACTORY OEM SERVICE PROCEDURE

Object Alarm Module Replacement

Fig 1: View Of Rear Object Alarm Module & Nuts
GM1708680Courtesy of GENERAL MOTORS CORP.
Callout Component Name
NOTE: Refer to Fastener Notice .
Fastener Tightening Specifications:  Refer to Fastener Tightening Specifications .Preliminary Procedure: Remove the front passenger bucket seat. Refer to Front Seat Replacement - Bucket (without HP2) or Front Seat Replacement - Bucket (with HP2) .
1 Rear Object Alarm Module Nut (Qty: 3)

Tighten:  2 N.m (18 lb in)
2 Rear Object Alarm Module
Tip: 
  1. Position carpet in order to access module.
  2. Disconnect electrical connector.
  3. Reprogram the rear object alarm module after replacement. Refer to Control Module References .
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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.