Webthe most common causes for your chevy silverado fan to continue running even when you’ve turned off the engine are related to faults found in the fan relay, the.

I’m having a similar issue, the fan is stuck on high and runs for about 5 minutes even after the key has been pulled.

Webif your sierra is running hot, and the fan is not running we’ve laid out the most common causes of this issue below.

Webi just had the same problem on my 2015 sierra 5. 3l 1500.

My coolant gauge stayed around 160 the whole time.

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My youtube research lead me down the coolant.

They include a faulty fan relay, broken temperature sensors, or a damaged ecu unit.

Webthis has happened to my truck twice in 6 months.

Webif you notice that your gmc sierra’s fan isn’t functioning as it should, it may be due to a faulty blower motor.

Web2015 gmc sierra 5. 3.

The fans went to full speed and stayed there until i shut the truck off.

Webfan stays on after i shut truck off.

I replaced the coolant temp sensor and the problem is still there.

I've replaced sensor and thermostat and still stays on.

2014 sierra. cooling fan keeps running.

The fans were running much faster than usual, so i looked at my coolant guage.

Gmc sierra radiator fan not working.

Webthere are several reasons why the 2014 silverado fan keeps running.

Webi have posted here before about an intermittent problem with the radiator fan staying on after the engine is shut off.

Webmy 2015 escalade was running fine, but i noticed a loud hum under the hood.

It started doing this all of a sudden, runs full blast idling, going down the road, and for 5ish mins after the.

Wont turn off after driving ,stays on for five to ten minuets.

Both fans run shortly after starting truck and continue for several minutes before going off.

A common sign of a problem is the lack of air blowing.

Not sure if there is a temp sensor going.

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Webafter a 3 second delay, the pcm supplies a ground path for the high speed fan relay and the cooling fan s/p relay through the high speed cooling fan relay control.

In the morning as soon as i start the truck, fan's turn on.

Radiator fans stay on as long as the truck is running.

The strange part was that when the problem.

Web2015 chevy silverado 5. 3 v8 (lt trim i think) issue:

Webevidently, it's my radiator fans still running because my computer thinks the truck is overheating.