cooling fan stays on hi speed all the time any body know why hello , tthe fan has a sensor on it it may need changeing out to fix this problem or possible your truck is low on coolant ?
hood? and is it a hard fix to do on my own? This code indicates a problem with the fan clutch, the speed it is running is not the speed it was commanded to run/ The fan clutch assembly needs replacing
fan speed high, idles eratically , changed camshaft position sensor, plugs and boots no different theses are known for bad fan clutch also needs poss pcm update
...P1481 - Cooling Fan Speed Sensor Circuit Several owners repair this sensor and connections, but the problem come on again; I suggest replace the sensor; this is built into the fan clutch. Hope
fan went on high speed and could not control it. Called shop back and will have to bring it back in. They mentioned it could be the control head or control box?? What is this and also what price range
what you mine p1481 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.
Question about 2002 Envoy
...fan speed,The wire on this sensor tends to chaff through the plastic it is routed through,this is very common, the fix is to replace thhe harness remove the harness from the plastic guide,and repair ...
...disconnected. 526 is fan speed sensor. There is a common problem with the connector that goes into the fan clutch. Check for frayed wires here or burnt connector, if all ok, may need new fan
fan speed sensor circuit What fan ? radiator cooling fans or heater fan ? An there is no speed sensor for either , relays or resistor
Question about 2005 Envoy
...fan speed sensor circuit, and code PO300 I have a 2004 GMC Envoy SLE, and my check engine light is on code PO526 fan speed sensor circuit, then I got a misfire on cylinder 6, but after changing all ...
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