THE LIGHT COMES ON SMALL HAND HELD SCANNER SHOWS A PO420 THE SNAP ON SCANNER SHOWS A PO1564 AND NO PO420 WHERE DO I START.
Hi there,
P1564 indicates an issue with the ASCD steering switch. Here is a list of possible causes.
P1564 NISSAN - ASCD Steering Switch Read more: https://www.autocodes.com/p1564_nissan.html
P0420 indicates an issue with the catalyst system. Here is a list of possible causes.
P0420 NISSAN - Catalyst System Efficiency Below Threshold Bank 1 Read more: https://www.autocodes.com/p0420_nissan.html
33.7k questions
32.5k answers
1.3k comments
23.0k users