× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: 04 Freightliner ISB low coolant code
Posted to HD/Fleet Forum on 12/10/2020

We have a 2004 M2 with the Mercedes 906 in our fleet and I replaced the level sensor a few months ago. The sensor is 2 terminal and one terminal has 5v on it when out of the coolant. Voltage drops when immersed in coolant and I noticed that around 3.3v is when... Login to read more.