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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 EO47: BCM-To-ECM Data Problem › Failure Conditions:

Failure Conditions:

ECM receives bad data or no data from BCM for 3 seconds.

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