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Home >> Geo >> 1991 >> Prizm Base, 4D Hatchback, Standard >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Diagnosis - A-240 "E" Series >> Self-Diagnostic System >> System Diagnosis >> Retrieving Fault Codes >> Notes

Retrieving Fault Codes: Notes

NOTE: Before retrieving fault codes, perform diagnostic circuit check to ensure proper operation of OD OFF light. See DIAGNOSTIC CIRCUIT CHECK.