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Home >> Cadillac >> 1987 >> Seville >> Repair and Diagnosis >> Engine Performance >> System >> DFI ECM Tests W/Codes >> Diagnosis & Testing >> Code EO52 - ECM Memory Reset >> Failure Conditions:
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Failure Conditions:

ECM looks for all full time memory information to be erased or reset. If full time memory is completely erased, code "EO52" is stored.

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