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Home >> Cadillac >> 1990 >> Seville Base, 440T4/ME9 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> ECM Trouble Code Charts >> ECM 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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