Possible Causes
WARNING: This page is about a different car, the 2002 Nissan Xterra and 2002 Nissan Frontier. However, it is still accessible from the selected car via links, so may be relevant.
Malfunction is detected when zero MPH signal is sent to ECM even when vehicle is being driven. Possible causes are:
- VSS signal circuit open or shorted.
- Defective VSS.