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Home >> Pontiac >> 2000 >> Firebird Formula, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Engine Control System Self-Diagnostics - 5.7L) >> Diagnostic Tests >> DTC P0502: Vehicle Speed Sensor Low Output (A/T) >> Test Description
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Test Description

WARNING: This page is about a different car, the 2002 Pontiac Firebird and 2002 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers in the diagnostic procedures.

  1. 2

    Disable the traction control system when performing this step. When the ignition key is cycled to the OFF position and then cycled back ON, the traction control system defaults to ON.

  2. 3

    This step tests the VSS assembly circuit.

  3. 4

    This step tests the integrity of the VSS assembly.

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