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Cadillac
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1989
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Seville Base
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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DFI ECM Tests W/Codes
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Diagnostic Charts
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ECM Code EO47 - BCM-To-ECM Data Problem
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Failure Conditions
Failure Conditions
ECM receives bad data or no data from BCM for 2.1 seconds.