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Home >> Honda >> 2021 >> Civic EX-L >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control / Engine Mechanical - Testing & Troubleshooting >> Rewrite >> PCM Update >> Procedure
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PCM Update: Procedure

NOTE:  High temperature in the engine compartment might cause the PCM to become too hot to run the update. If the engine has been running before this procedure, open the hood and cool the engine compartment.

  1. PCM - Update

    NOTE:  Check any official service website for more information about updating the MVCI and control units.

  2. PCM - Idle Learn
  3. CKP Pattern - Clear/Learn
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