Posts Tagged: hyundai code p0128

Hyundai code P0128

July 12, 2015

Fix Hyundai P0128 coolant thermostat trouble code Hyundai has issued a service bulletin #11-FL-003 to address a Hyundai code P0128 in the vehicles listed below. The Hyundai code P0128 2011MY SONATA 2.4L 2010MY SANTA FE 2.4L The service bulletin applies to vehicles with the 2.4L engine that store a P0128 coolant thermostat code when the heater/defroster is used at maximum blower speed and high heat setting. To correct the problem, replace the thermostat, cooling inlet, and gasket with revised parts. 1. Drain the engine coolant until the level is just … Read More