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Home >> Chevrolet >> 2001 >> Corvette Base, 2D Convertible, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Analog Instrument Panels >> Diagnostic Tests >> DTC P0654: Engine Speed Output Circuit >> Code Enable Criteria

Code Enable Criteria

For DTC to run, engine speed is more than 400 RPM with ignition voltage more than 6 volts, but less than 18 volts. DTC will set when PCM detects commanded state of driver and actual state of control circuit do not match for a minimum of 5 seconds.

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