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Home >> Chevrolet >> 2002 >> Chevy Express G3500, Van Passenger Extended, 5.7 R, L31 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Body Control Modules >> Programming >> Programming Verification
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Programming Verification

  1. Using scan tool, clear DTCs.
  2. Attempt to start engine.
  3. Repeat Service Programming procedure if engine does not start or operates poorly. Perform the following procedures before programming the PCM:
    • Ensure the control module and DLC connections are OK.
    • Ensure the Techline(R) operating software is up to date.
    • Ensure the calibration part number is correct for the vehicle.
  4. Attempt to program the control module. If the control module still cannot be programmed properly, replace control module.