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Home >> Cadillac >> 1994 >> DeVille Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 4.9L >> Pcm Code Charts >> Code P058, Pass-Key(R) Fuel Enable Problem >> Note On Intermittents
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Note On Intermittents

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

Fig 1: Code P058 Schematic (DeVille)
G94E33245Courtesy of GENERAL MOTORS CORP.
Fig 2: Code P058 Flow Chart (DeVille)
G94D33293Courtesy of GENERAL MOTORS CORP.