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db20: Service Code 64: Attempt to Generate Code 54
Steps _Key OFF, wait 10 seconds
_Disconnect vehicle harness from ACT sensor. Inspect for damaged pins, corrosion, loose wires, etc. Service as necessary
_Rerun Key ON, Engine OFF Self-Test
Result Is Code 54 present?
Direction YES

Replace ACT sensor. Reconnect ACT sensor. Rerun Quick Test


GO to Continue

ACT Information:
ComponentAir Charge Temperature Sensor
DescriptionThe ACT provides the EEC with mixture (air and fuel) temperature information. The ACT is used both as a density corrector to airflow calculation and to proportion the cold enrichment fuel flow.
LocationThreaded into the lower intake manifold.
Wire ColorsBlack with White stripe
Pink with Black stripe