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Programming Verification

  1. Using Tech 2, 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.
    • Control Module.
    • Techline terminal.
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