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Home >> Cadillac >> 1993 >> Seville Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Pcm >> Diagnostic Parameters >> Pcm Specific Data Codes >> PD99: PCM Programmable Read Only Memory (PROM) Identification Code
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PD99: PCM Programmable Read Only Memory (PROM) Identification Code

Display shows a 3-digit code identifying PROM portion of MEM-CAL unit.

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