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Home >> Buick >> 1990 >> Reatta 2D Convertible, 440T4/ME9 >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Engine Controls - Tests W/Codes) >> ECM Trouble Code Charts >> ECM Code EO58: Pass Key Control Problem >> Note On Intermittents
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Note On Intermittents

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.

If code is intermittent, check for short to ground or voltage on circuit No. 229, intermittent open in that circuit or intermittent loss of power to module.