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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 55 (Manual Transmission - Y4A/Y4M (MR7)) >> Diagnostic Information and Procedures >> DTC P0502 or P0503: Vehicle Speed Sensor (VSS) Circuit >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.

P0502 

The transmission output shaft speed is 60 RPM or less for 4.5 s.

P0503 

The transmission output shaft speed drops 350 RPM in less than 3 s.