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  • DTC 63 - PCM Failure SRI Miles Not Stored & PCM Failure EEPROM Write Denied

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    Mopar1973Man

    By Mopar1973Man

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    DTC 63 - PCM Failure SRI Miles Not Stored & PCM Failure EEPROM Write Denied - Test FC-14A

    1. Turn ignition on. Using DRB-II, perform SRI memory test. If DRB-II displays WRITE FAILURE, replace PCM. Perform TEST VER-1. If DRB-II displays WRITE REFUSED, go to step 2). If DRB-II displays SRI MILEAGE INVALID, update mileage and retest SRI memory. Perform TEST VER-1. If none of these messages are displayed, compare SRI mileage stored with mileage on odometer. If mileage is same between SRI memory and odometer, retest SRI memory. If mileage differs, update SRI mileage and retest SRI memory. Perform TEST VER-1.
    2. If DRB-II displayed WRITE REFUSED, PCM was busy. Using DRB-II, perform SRI memory test. Retest SRI memory 2 more times if necessary. If WRITE REFUSED fault returned, replace PCM. Perform TEST VER-1. If WRITE REFUSED fault did not return, test is complete. Perform TEST VER-1.
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