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Programming Verification

  1. Using Tech 2 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 PCM:
    • Ensure Powertrain Control Module (PCM) and Data Link Connector (DLC) connections are okay.
    • Ensure Techline operating software is up to date.
    • Ensure calibration part number is correct for vehicle.
  4. Attempt to program PCM. If PCM still cannot be programmed properly, replace PCM. See POWERTRAIN CONTROL MODULE  under REMOVAL & INSTALLATION. Ensure that all connections are secure at the following locations:
    • Off-Board Programming Adapter.
    • Tech 2 scan tool.
    • Control Module.
    • Techline terminal.
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