how do i fix code P2601 on 2009 sts cadillac?
Start by inspection/changing the Auxiliary Coolant Pump, if the relay is OK you may have to replaced the pump.
P2601 CADILLAC - Auxiliary Coolant Pump Performance
Read more: https://www.autocodes.com/p2601_cadillac.html
33.7k questions
32.5k answers
1.3k comments
23.0k users