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Home >> Buick >> 2001 >> Century Limited >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 3.1L & 3.4L >> Diagnostic Tests >> DTC P0502: Vehicle Speed Sensor Circuit (Low Input) >> Code Enable Criteria
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Code Enable Criteria

DTC will run under the following conditions:

DTC will set when output shaft speed is less than 150 RPM for 2.5 seconds.