FixVault

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

Diagnostic Aids

Check for poor connections in PCM/TCM related circuits.

Fig 1: Code 74 Schematic Transmission Input Speed Error

G94D38383

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

G94I66058