FixVault

DTC P0606: Pcm Processor Malfunction

CAUTION: When substituting or replacement of PCM is recommended, see PCM REMOVAL & REPLACEMENT  for important precautions.
  1. Turn ignition on. Using Honda PGM Tester or the HDS, do the DTC CLEAR in the CLEAR menu.
  2. Turn ignition off.
  3. Turn ignition on.
  4. Wait 40 second.
  5. Check for Temporary DTCs or DTCs in the DTC menu. If DTC P0606 is set, update the PCM if it does not have the latest software, or substitute a known-good PCM. If the problem goes away with a known-good PCM, replace PCM. If DTC P0606 is not set, problem is intermittent, system is OK at this time.