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    Re: Honda Jazz 1.3 Mil light intermittant Archived Message

    Posted by Sean Connelly on March 25, 2009, 8:27 am, in reply to "Honda Jazz 1.3 Mil light intermittant"

    Hi Colin

    Below is the DTC troubleshooting text for your DTC.

    Put simply, ignore it if it doesn't come back. If comes back constantly then new ECM is required.

    HTH

    Sean.

    DTC Troubleshooting: P0603 (0), P0604 (0), P0605 (0)

    DTC P0603: ECM Internal Control Module Keep Alive Memory (KAM) Error
    DTC P0605: ECM Internal Control Module Read Only Memory (ROM) Error

    1. Turn the ignition switch ON (II).
    2. Do the DTC CLEAR in the CLEAR MENU with the HDS.
    3. Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS.

    Is DTC P0603, P0604 and/or P0605 indicated?

    YES - Substitute a known-good ECM and recheck. If symptom/indication goes away, replace the original ECM.

    NO - Intermittent failure, system is OK at this time.

    Link: http://www.maccmot.com

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