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Home >> Oldsmobile >> 1994 >> Bravada >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Electronic Transmission >> Trouble Code Charts >> Code 74, Trans. Input Speed Error >> Diagnostic Aids
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Diagnostic Aids

Check for poor connections in PCM/TCM related circuits.

Fig 1: Code 74 Schematic Transmission Input Speed Error
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Fig 2: Code 74 Schematic Flow Chart Transmission Input Speed Error
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