WebNov 22, 2024 · Cummins ISX CM871 Fan problem. Hello friends, a customer of mine is encountering an issue with his fan where his fan is ALWAYS ON. We changed the fan's … WebAug 10, 2015 · 2024 RAM 5500 Chassis Tradesman Crew Cab 60” C/A 4WD in Delmonico Red, 6.7L Cummins, AISIN AS69RC Transmission, 4.44 Axle Ratio, Chrome Appearance Group, Keyless Entry, Fog Lamps, Chrome Tubular Steps, 52+22 gallon fuel tanks, 8.4 Radio, 225/70R19.5 Hankook All Position Tires, Aluminum Wheels, Parkview Backup …
Cummins ISX CM871 Fan problem - MHH AUTO - Page 1
WebMar 25, 2024 · These will keep the engine fan on, Once those are verified to be working fine you can run a fan override test with the scanner and see if the fan kicks off when commanded. This will tell you if the fan driver in the ecm has failed. Once this fails the ecm will keep the fan on all the time by default. I hope this helps. Thank you WebSep 13, 2015 · Cummins Hydraulic fan control FAQ Mark Forums Read Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts. Page 1 of 2 1 2 > This … cynon taf logo
Cummins isx fan stay on TruckersReport.com Trucking
WebFeb 5, 2024 · Discover the history of the Cummins ISX engine and some common problems that plague owners at Diesel Pro Power. In this article, we talk about why the ISX Cummins has become such an integral part of the lineup and come of the issues it’s been known to have over the years. Read more about Cummins ISX engine specs & reviews at Diesel … WebJun 27, 2024 · If the fan solenoid fails or there is low air pressure, the fan will stay on. Because the ECM controls it, there are various things that will make the fan stay on... 1. High coolant temperature. 2. High AC pressure. 3. Low air pressure. 4. Either one of the wires are open. 5. The hot wire is shorted to ground. 6. The solenoid is bad. 7. WebJan 14, 2016 · Unplug the battery, wait about 30 mins. It will discard any type of pervious code. If the code is still there. After the next round of check up it will pop up again... I don't believe your issue lies with the ECU. I have a hot wire to the solenoid of my fan clutch. It engages the fan at 211 f but I don't feel comfortable pass 200. cynon valley alarms