Question

2010 Dodge RAM 2500 6.7L Diesel with engine code P2453, what is the definition?

Answer 1

P2453 Diesel particulate pressure sensor A circuit performance

This is the exhaust pressure sensor bank 1 sensor 2 , P2453 codes up after treatment of the diesel particulate filter if the exhaust pressure sensor is faulty, or there is a exhaust leak , which effects the exhaust pressure sensor,Anything that can affect the filter even a broken filter or even a cracked filter will cause this code,Over all it is what the PCM sees a no change in pressure between key on and engine running.

Answer 2

P2453 Dodge Code - Diesel Particulate Filter Pressure Sensor 'A' Circuit Range/Performance
Read more: https://www.autocodes.com/p2453_dodge.html