2013 Chevrolet Silverado 2500 HD LT, 2D Cab Chassis, 6.6L Eng VIN 8, RWDFACTORY OEM SERVICE PROCEDURE

Serial Data Gateway Module Replacement

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Serial Data Gateway Module
GM2230699Courtesy of GENERAL MOTORS CORP.
Callout Component Name
Preliminary Procedures:Β 
Remove the driver knee bolster. Refer to Driver Knee Bolster Replacement .
1 Serial Data Gateway Module

Procedure

  1. Press on the tabs to release the serial data gateway module.
  2. Disconnect the electrical connectors.
  3. Reprogram the serial data gateway module if replaced. Refer to Control Module References .
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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