I have a 2007 Sentra with 4500 miles and it started lighting the SES light tonight. The code that it is throwing is P0128, "Coolant Temp Below Thermostat Regulating Temp". The weather went down into the 20's tonight, with the forcast to be in the teens tomorrow.
Has anyone seen this also? Dealer says not to worry about it and drive normally until I can bring it in.