Note On Intermittents

Check for Electromagnetic Interference (EMI) induced on circuit No. 400 and 401 by running them close to spark plug wires or high power transmitters (mobile radios) operating in vicinity.

Fig 1: PCM Code P024 Schematic - VSS Circuit Problem

Courtesy of GENERAL MOTORS CORP.

Fig 2: PCM Code P024 Flow Chart - VSS Circuit Problem

Courtesy of GENERAL MOTORS CORP.