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Home >> Cadillac >> 1995 >> Eldorado Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Diagnostic Parameters >> Pcm Specific Data Codes >> PD99: PCM Programmable Read Only Memory (PROM) ID Code
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PD99: PCM Programmable Read Only Memory (PROM) ID Code

Display shows a 4-digit code identifying program stored in PROM for engine control calibration.

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