How to resolve p261a00 coolant pump 2 open circuit?
1 Answers
p261a00 coolant pump 2 open circuit means there is a fault with a coolant pump that needs to be checked or replaced. Coolant pump 2 is an auxiliary water pump located not far from the main water pump, used for continuous cooling after the car is turned off. Check the wiring harness and the small water pump. It is best to have it inspected and repaired at a 4S shop. Here are the specific solutions for coolant pump 2 open circuit: 1. First, check if the small water pump under the wiper cover is damaged. If the small water pump is faulty, it needs to be replaced. 2. Inspect the air conditioning control solenoid valve to see if there is an open circuit in the wiring or if the solenoid valve itself is damaged. The wiring harness connects directly to the engine computer via a plug without a fuse. Replace the air conditioning control solenoid valve or the wiring harness.