Cooling Fan Speed Sensor Gmc Envoy

This diagnostic trouble code dtc is a generic obd ii powertrain code.

Cooling fan speed sensor gmc envoy.

A faulty cooling fan control unit. The p0526 code means that the pcm detected a voltage reading that was either too low or too high from the electric cooling fan control circuit. A faulty cooling fan clutch. P0526 gmc meaning the powertrain control module uses the cooling fan speed signal in order to determine the actual fan speed in relation to the desired fan speed the pcm uses the cooling fan speed signal in order to reduce the cooling fan noise and in order to maintain the powertrain cooling requirements.

The engine cooling fan is electronically controlled as far as the speed goes the sensor that reads the speed is defective replace the fan clutch. In order to maintain proper powertrain cooling requirements and to reduce the cooling fan noise as it is in use the pcm uses a signal from the cooling fan to assess its speed. Sep 06 2012 2002 gmc envoy 1 answer. A faulty engine coolant temperature sensor.

2005 gmc envoy denalis envoy xl denalis. However there are some less common causes that should be considered such as. The damage occurs because the harness pulls out of its plastic protective sleeve exposing the insulation to the sharp edges of the sleeve. The p0526 cooling fan speed sensor circuit problem appears because of damaged wires in the cooling fan harness.

It is considered generic because it applies to all makes and models of vehicles 1996 newer although specific repair steps may vary depending on the model. What the p0526 code means. Olsmobile bravada buick ranier isuzu ascender sabb vehicles. Gmc envoy chevy trailblazer electronic fan clutch removal installation instructions.

The most common causes behind the p0495 code include a bad cooling fan motor and a faulty cooling fan relay. Loose or corroded electrical connectors. The pcm supplies power and ground to the clutch hall effect sensor of the cooling fan clutch. Cooling fan speed sensor electro viscous ev fan clutch electronic fan clutch.