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HOMESERVICE MANUALSCHEVROLET2013SILVERADO 2500 HD LT, 2D CAB CHASSIS, 6.6L ENG VIN 8, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESPROGRAMMING AND SETUP - ALL SYSTEMSREPAIR INSTRUCTIONSINSTRUMENT CLUSTER PROGRAMMING AND SETUPREPLACE AND PROGRAM ECU
2013 Chevrolet Silverado 2500 HD LT, 2D Cab Chassis, 6.6L Eng VIN 8, RWD

Replace and Program ECU

2013 Chevrolet Silverado 2500 HD LT, 2D Cab Chassis, 6.6L Eng VIN 8, RWDSECTION Replace and Program ECU

Prior to removing the old ECU, perform the following procedure:

  1. Record the odometer information from the old Instrument Cluster.
  2. Install EL-49642  SPS programming support tool.
  3. Access the Service Programming System (SPS) and follow the on-screen instructions.
  4. On the SPS Supported Controllers screen, select Instrument Panel- Setup and follow the on-screen instructions.
  5. On the SPS Supported Controllers screen, select Instrument Panel Cluster and follow the on-screen instructions.
  6. At the end of programming, choose the "Clear All DTCs" function on the SPS screen.
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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.