Question

2006 Chevrolet Equinox with engine code P1258, how do I fix it?

Answer 1

Hi there

This code is for the over temp protection mode being active. 

This can be the result of a low engine coolant or a stuck thermostat. Also, a faulty engine coolant temp sensor. Here is some more info on the code for you.

P1258 CHEVROLET - Engine Coolant Overtemperature Protection Mode Active
Read more: https://www.autocodes.com/p1258_chevrolet.html