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DTC P0602: ECM/PCM Programming Error Acura TL IV facelift

Testing & Diagnostics ~106 words

Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ). This DTC is indicated when an ECM/PCM update is not completed. Do not turn the ignition switch to ACC (I) or LOCK (0) or do not press the engine start/stop button while updating the ECM/PCM. If you do, the ECM/PCM can be damaged.

  1. Do the ECM/PCM update procedure.
  2. Check for Pending or Confirmed DTCs with the HDS. Is DTC P0602 indicated? YES - Replace the original ECM/PCM (see ECM/PCM Replacement ). • NO - The update is complete.

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