During this period of time, the differential pressure across the DPF may periodically exceed the limits and can trigger various undesirable diagnostic trouble codes.

Degreening takes place during normal operation of the engine.

The process of burning off the excess residue, as a result of the application of the catalytic coating, is called degreening.

If a new Diesel Particulate Filter (DPF) is installed, degreening is required.

If you have fixed the underlying issue that caused P1496 then you can clear P1495 fault code by using the reset EGR derate command. This is enabled after P1496 fault code has been active for more than 10 hours.

The EGR derate is activated by P1495 fault code which means there is a power derate. This procedure can be used to disable the EGR derate.If you want to learn more about PACCAR 5mph derates read the blog post here.If your truck is limited to 5mph, or 8kmph, then you can use this command to reset the system to be able to drive the truck to remove the derate or to get to a safe location.Reset DEF Derate - Reset 5mph Aftertreatment Derates.Reset, for instance, the check engine light on your Kenworth or Peterbilt truck with this command.This is very important in determining intermittent fault codes.Count information: We track your fault code counts, so you know how many times a certain fault code has appeared.Possible fixes: Components that need to be replaced, or information on where to look for what caused the fault code to appear.Troubleshooting: Information directing you where to look for the issue with the fault code.

Detailed fault code information: Explains the fault codes you are having.SA / SPN / FMI / OEM P code numbers: These are the numbers that correspond with the fault codes.

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