Trailblazer Cooling Fan Speed Sensor Circuit

Gm has issued a service bulletin to address a p0526 cooling fan speed sensor circuit trouble code on the following vehicles. If the cooling fan speed sensor fails then it must be replaced. This diagnostic trouble code dtc is a generic obd ii powertrain code.

twenty dollar gold coin 1927 value tonga room fairmont hotel san francisco top rated wine coolers drinks treme soundtrack vinyl tri county pool service supply triangular baseboard vent covers tudor style flooring tongue and groove gate

P1481 Error Code Clutch Fan Speed Sensor Fault Gmtnation

I Have A Problem With My Fan Speed Sensor Circuit Where Should I Look

2002 Chevy Trailblazer Fan Hub Youtube

P0526 Fan Speed Sensor Chevy Trailblazer Trailblazer Ss And Gmc Envoy Forum

2002 Trailblazer Possible Fan Clutch Problem Youtube

I Just Replaced The Clutch Fan On My 2004 Gmc Envoy Inline 6 I Get The Dtc Code 1481 Cooling Fan Speed Sensor

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.

Trailblazer cooling fan speed sensor circuit.

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. 2002 05 chevy trailblazers trailblazer exts gmc envoys envoy xls. If the code returns they have successfully diagnosed a larger issue with the fan speed sensor circuit and should move on to other repairs. Here an interesting website on trailblazer fan system.

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. The drive fluid is well viscous until the engines runs a bit. The hall effect sensor returns a signal pulse through the speed signal circuit in response to the reluctor track which is located inside the fan clutch. This one is a bit different as it is an electrically controlled clutch electro visco.

2005 chevrolet trailblazer engine code po526 fan speed. Thus it s good to monitor the fan speed using an advanced scan tool to verify if the actual fan speed matches the commanded fan speed. Check that wiring has continuity the wire to sensor must have 5v. As the speed of the fan increases the voltage must also increase.

Engine code po526 fan speed sensor circuit 2005 chevrolet trailblazer. If during operation the pcm detects a loss of the cooling fan speed signal dtc p0526 will set. Will the mechanical fan clutch from a 2008 trailblazer fit and be a suitable for the. If you have a code p1481 or similar pointing at the cooling fan speed sensor often you have to fix or replace the wiring rather that the sensor.

Its the cooling fan speed sensor that needs to be replaced. Now they all will do that with a clutched radiator fan. Cooling fan speed sensor circuit. P0526 cooling fan speed sensor circuit fix code p0526 cooling fan speed sensor circuit.

The cooling fan speed sensor is built in inside the fan clutch. 8 people found this helpful.