1 answer service engine light is on and code p0526.
2003 gmc envoy cooling fan speed sensor circuit.
Common mistakes when diagnosing the p0526 code in some cases a reoccurring p0526 code is due to a mechanic replacing the cooling fan motors without performing a more thorough diagnosis.
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.
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The damage occurs because the harness pulls out of its plastic protective sleeve exposing the insulation to the sharp edges of the sleeve.
Additionally many vehicles have multi speed fans requiring as many as three fan speed relays for low medium and high.
This clutch fan has 5 wires.
How to troubleshoot an electronic clutch fan circuit on an olds bravada or chevy blazer with a 4 2l engine.
The p0526 cooling fan speed sensor circuit problem appears because of damaged wires in the cooling fan harness.
Its the cooling fan speed sensor that needs to be replaced.
Gmc envoy code p0526.
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.
This is built into the fan clutch.
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The fan that is not in front of the air conditioning condenser is the main cooling fan and the one to concentrate on initially.
If the code returns they have successfully diagnosed a larger issue with the fan speed sensor circuit and should move on to other repairs.
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I suggest replace the sensor.
This diagnostic trouble code dtc is a generic obd ii powertrain code.
Code p1481 cooling fan speed sensor circuit several owners repair this sensor and connections but the problem come on again.
2005 gmc envoy denalis envoy xl denalis.
I got check engine light on and poped code p1481 fan speed circuit sensor does that mean that i have a bad fan clutch since mine is an electronic fan clutch.
Cooling fan speed sensor circuit.
Aug 18 2010 2003 gmc envoy.
The pcm supplies power and ground to the clutch hall effect sensor of the cooling fan clutch.
