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Home >> Cadillac >> 1993 >> Allante >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Removal, Overhaul & Installation >> Computerized Engine Controls >> Powertrain Control Module (Pcm) & Prom >> Inspect

Powertrain Control Module (Pcm) & Prom: Inspect

  1. Inspect PROM "Broadcast" Code for proper calibration.
  2. Inspect alignment notches on the PROM. See Fig 1 .
Fig 1: Identifying PROM Alignment Notches
G00113955Courtesy of GENERAL MOTORS CORP.