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Cadillac
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1993
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Allante
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Repair and Diagnosis
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Engine Performance
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Engine Controls - Self-Diagnostics
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Diagnostic Tests
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DTC P024: Vehicle Speed Sensor (VSS) Circuit Problem
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Test Conditions
Test Conditions
Codes P056 and P091 not set.
Transaxle not in PARK or NEUTRAL.
Transaxle pressure switch indicating not in REVERSE.
Transaxle input speed sensor indicating 3000 RPM or greater.