The fault codes related to P1495/P1496 mean that the engine protection has been enabled causing the EGR to be disabled and the system to go into preventative safety measures. As a result, passive / active DPF regeneration is disabled as well. When a problem arises, you have 10 hours to fix the problem or else it goes into an EGR derate. This EGR derate on a Paccar limits your engine power up to 25-40%. The loss in power will prompt you to seek service at a repair shop or dealer. What causes P1496 to become active? This fault code is an indication that there is a problem with another fault code that triggers a derate. So, this fault code alone is not enough to fix it. There is actually more to the story...
What is the DTC + AFT Reset Tool? We use the term ‘DTC + AFT Reset Tool’ often here at OTR Performance and we realize this isn’t a term that is often used, at least not altogether in one phrase, in the trucking industry. As a result, we thought we would break it up and explain our terminology so that you know what this tool is and how it can benefit you and your fleet operation. DTC: Diagnostic trouble codesAFT: Aftertreatment systemReset: The system gets cleared of any memorized data DTC + AFT gives you the power to do some of the most sophisticated resets possible – ones that before our tool could only be done at the dealer or with a...
Keywords DPF: Diesel Particulate Filter Bake: Process of cleaning soot out of DPF Soot Level: How much soot is calculated by the engine ECU or controllers Benefits of cleaning your DPF filters Better MPG Better Throttle Response Less frequent Regenerations (Passive) Longer DPF Life Less Downtime The DPF filter is a part of the emission system that helps trap the soot collected from your exhaust stream. The soot that is caused by the diesel engine is gathered from various sources. In order to meet emission standards, the DPF / SCR / EGR / VGT system was developed to reduce NOx Emissions. How do you know that your DPF system needs to be cleaned? Regenerations that are occurring more frequently is an indicator...
The number one cause of a 5 MPH derate in a Volvo truck is the SCR/DEF system not operating properly. The SCR/DEF system was implemented in Volvo Trucks 2011+ to curb exhaust emissions on Class 8 trucks. If you have a Paccar engine and are stuck in 5 MPH derate check out this blog post. What is a derate? A derate means that the program inside the engine computer limits either the power or vehicle speed. A derate is designed to protect you from causing engine or DPF damage. A derate can be caused by various sensors or system. However, when it’s a specific 5 MPH derate then you can be certain that the problem is related to the emissions,...
SA 16 DTC Explained = OBD / P-Codes Heavy-duty truck fault codes do share similar results with the OBD automotive standard, but the heavy-duty manufacturers do things a little differently. This is why we recommend using good sources for your information so you have the right information to fix your truck. Which trucks use OBD Fault codes? Volvo Trucks 2014+ Mack trucks 2014+ Prevost Bus 2014+ Here is look at some fault code data that you may have seen on your dashboard. The following information is on a 2015 Volvo VNL 670 with a Volvo 500hp D13 engine with I-shift. Fault #1: SA 16 DTC P113000 [SA] stands for Source Address. In this particular example, the “16” stands for the engine. So this fault code is coming from...
