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Home >> Chevrolet >> 1990 >> Camaro RS, 2D Convertible, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Engine Controls - Tests W/Codes) >> ECM Trouble Code Charts >> ECM Code EO47: BCM-To-ECM Data Problem >> Test Conditions:
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Test Conditions:

WARNING: This page is about a different car, the 1990 Cadillac Seville and 1990 Cadillac Eldorado. However, it is still accessible from the selected car via links, so may be relevant.

Code EO12 is clear, ignition is on and engine speed is greater than 500 RPM for 20 seconds.

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