I have a 2019 gmc sierra 1500, it's throwing a p0480 code and a p0691 code. I checked the fan itself and the fuses and relays and they are all good. I tested the voltage going into wiring harness and … read more2018 Chevrolet 1500 CC 4X4 High Country 6.2 liter 2019 Chevrolet 3500HD CC 4X4 Flatbed--SOLD 2011 Peterbilt 337 hauler with 360HP 8.3 Cummins--SOLD 1957 GMC 1 ton flatbed with 22K original miles. 3 different Kubotas 2003 Chevrolet 2500HD CC: 2011 Chevrolet 3500HD CC 4X4 and 2013 3500HD ex. cab 4X4-- all sold. :grin2:Conclusion. Car fans staying on after the engine is turned off may be caused by several reasons, such as low coolant level, malfunctioning cooling system, still-on A/C system, electrical issues, or computer control. A low coolant level can cause the engine to run hot, resulting in the need for the fan to run more frequently to keep the engine cool.

Where-as it used to run 205 all day long on the stock radiator. So it does work. 2000 GMC Sierra SLT -Daily Driver/Tow Rig/Race Truck/Work Truck. 1984 GMC Sierra K1500 4x4, Crate 350, TH350, 3.73, Dual Tanks -Project Mountain Truck. 1997 GMC Sierra Z71 Lifted/Locked -Sold.Any help will be greatly appreciated!!! Bang on bottom of blower box with fan speed on high it is under pass side below glovebox if fires on bad fan. Also the resistors are common to burn out. If replacing motor do resistor at same time and inspect harness connector for charring. Blower works on Highest speed.GMC Mechanic: Allen Taddicken. What you describing, is either a temp sensor for computer or a temp guage sensor that is failing, if the fan stays running, with key off, then I would start at the relay, For guage, that gets signal from bcm, which gets it information from ecm, I would check temp sending unit. Ask Your Own GMC Question.

vintage gnome figurines 2015 GMC Sierra 1500 Radiator Fan Assembly. Buy Online. Pick Up In-Store. Brand. Compressor Works (2) Dorman (1) Price. Set custom price range: to. $80 - $90 (2) $700 - $800 (1) Rating 4 and up (1) 3 and up (2) No rating (1) Add your vehicle for an exact fit. 1-3 of 3 Results. Sort by . List. Grid. Filter . Sort by . 1-3 of 3 Results. Sponsored. Dorman …A technician will diagnose your GMC Sierra 1500 heater using the symptoms you report as a starting point. Because your GMC Sierra 1500 heater is a complex mechanism that uses an electric fan to blow air through a heater core that is heated by the engine coolant, the problem could be electrical, mechanical, coolant-related, or a combination of these systems. amazon prime longhorn long cut wintergreendevoted otc order online In a report released today, Mark Reichman from Noble Financial maintained a Hold rating on Sierra Metals (SMTSF – Research Report). The co... In a report released today, Mark...Feb 5, 2022 · One of those may be broken and contacting body somewhere and allowing the fans to be stuck on. If you're wiggling harnesses/wires and other electrical functions are "working" or "not working" there must be some underlying issues. My Build Log: silentbravo's 2001 GMC Sierra 2500HD. 2003 GMC Sierra RCLB. My YouTube Channel. warsaw times union garage sales This is a relatively common problem with these trucks. It appears that the problem is with the Engine Coolant Temperature (ECT) sensor or its wiring. When the ECU doesn't get a signal from the ECT, it doesn't know if the coolant is too hot or not and so as a failsafe, it runs the fan at 100% to avoid overheating.The best remedy for this is getting your A/C serviced. From you description, it sounds as though the system isn't building enough pressure, and by relation enough heat to turn the cooling fans on. In other words, the system is low on refrigerant. I would confirm this by connecting A/C gauges to the system to see what the pressures are on the ... palmettostatearmory coupon12 quarters equals how many dollarsfnaf ucn maps So the fan on engine off will start at 225 degrees water temp and will run for 300 seconds. if your engine is off, like not even in accessory on, and the fan runs for more than 300 seconds then there is one of two problems: 1) there is a temp sensor failure or bcm hiccup. 2) your water temp is over 254 and it's in emergency mode. short code 64134 The fan had been on the lowest setting last time I drove the truck but now it doesn't seem to do anything. If I push it in which would turn on the AC the light comes on and the AC does come on as well. ... The truck is a 2007 GMC Sierra 2500HD, new body style. Save Share. Like. Sort by Oldest first Oldest first Newest first Most reactions. N ... qpublic crispfig farms dark karma reviewsturgeon bay city wide garage sale 2023 Climate Control Issue. Ok everyone new here and new to vehicle forums so here we go. Currently working on restoring/modernizing my '90 k15 and when I got it had to rewire a lot of things inside the dash area to get somethings including heater to work properly. Now I got my blower to work via my control module and put out heat without leaking ...