How to troubleshoot an electronic clutch fan circuit on an olds bravada or chevy blazer with a 4 2l engine.
2003 gmc envoy cooling fan speed sensor circuit.
This diagnostic trouble code dtc is a generic obd ii powertrain code.
Its the cooling fan speed sensor that needs to be replaced.
2004 05 buick rainiers and gmc envoy xuvs.
Aug 18 2010 2003 gmc envoy.
Open the hood and do a visual inspection.
The damage occurs because the harness pulls out of its plastic protective sleeve exposing the insulation to the sharp edges of the sleeve.
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.
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.
The fan that is not in front of the air conditioning condenser is the main cooling fan and the one to concentrate on initially.
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 p0526 cooling fan speed sensor circuit problem appears because of damaged wires in the cooling fan harness.
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2005 gmc envoy denalis envoy xl denalis.
The pcm supplies power and ground to the clutch hall effect sensor of the cooling fan clutch.
2 output control.
1 answer service engine light is on and code p0526.
This is built into the fan clutch.
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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.
Cooling fan speed sensor circuit.
This clutch fan has 5 wires.
Code p1481 cooling fan speed sensor circuit several owners repair this sensor and connections but the problem come on again.
I suggest replace the sensor.
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