P261B: Toyota Code Coolant Pump 'B' Control Circuit Range/Performance

What are the Possible Causes of the DTC P261B Faulty Water Pump Assembly Engine Water Pump Assembly harness is open or shorted Engine Water Pump Assembly poor electrical connection Faulty Engine Control Module (ECM) What are Code Possible Symptoms? Engine Light ON or Service Engine Soon Warning Light. Blown gasket. Engine Overheats. Coolant leakages Toyota codes p261B Description The P261B code is an OBD code that indicates a problem with the coolant pump "B" control circuit in a vehicle. This could be due to a faulty coolant pump, a faulty coolant pump relay, or other issues.