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Home >> Cadillac >> 1983 >> Cimarron Automatic >> Repair and Diagnosis >> Engine Performance >> System >> TBI Tests W/Codes >> Code 51: Prom Error

Code 51: Prom Error

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PROM is either installed incorrectly, defective, or the wrong part number. Check for proper installation and application. If installed properly, but code 51 is still present, PROM is defective and must be replaced.