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Home › Cadillac › 1990 › Allante F7/ME9 › Repair and Diagnosis › Engine Performance › System › Engine Controls - Self-Diagnostics › Diagnostic Tests › ECM DTC EO47: ECM-BCM Data Problem › Test Conditions

Test Conditions

  1. Code EO12 not set.
  2. Ignition on.
  3. Engine speed 500 or greater RPM for 20 seconds.
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