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Home >> Oldsmobile >> 1990 >> Cutlass Calais Base, 4D Sedan, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 3.3L PFI >> Diagnostic Tests >> Code 51, Mem-Cal Error

Code 51, Mem-Cal Error

Ensure all pins are fully inserted in ECM socket. If okay, replace MEM-CAL. Clear memory and recheck for Code 51. If code reappears, replace ECM.

CAUTION: To prevent possible electrostatic discharge (static electricity) damage to ECM or MEM-CAL, DO NOT touch component leads or remove integrated circuit from carrier. See N - REMOVE/INTSTALL/OHAUL article.
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