What does 2554 mean on a Cummins Engine?
We have this little Cummins in the shop that keeps throwing code 2554 for Exhaust gas pressure data incorrect, erratic or intermittent. It is in a Freightliner Business class truck. Unit will log this code at the beginning of a forced regen and SCR system test.
What is the code on a Cummins urea Doser?
Unit came in with this code and code 3582 for SCR Catalyst conversion efficiency below normal. We cleaned the Urea doser for being totally plugged, but still keep getting this 2554 code. We have troubleshooted the wiring and even replaced the sensor.
When does a Cummins car throw a code?
Code will not happen during a road test. Only happens during a forced regen or SCR system test, but I believe it will happen again once the customer takes it and the SCR system tries to work. We are currently working with Cummins, but they are starting to scratch their heads and running out of ideas.
What is the code for a Cummins ISL9 CM2350?
It is in a Freightliner Business class truck. Unit will log this code at the beginning of a forced regen and SCR system test. Unit came in with this code and code 3582 for SCR Catalyst conversion efficiency below normal. We cleaned the Urea doser for being totally plugged, but still keep getting this 2554 code.
Why do I get codes 3382 and 2554?
Replaced EGR valve, pressure sensor, cooler, removed DPF cleaned out. it was packed full of soot. Along with the whole EGR system. I am still getting codes 3382 and 2554. Truck is smoking brown-ish smoke. truck bogs like crazy until codes kick in and EGR is disable then will run great with check engine light on?
What are the trouble codes for Cummins ISX engines?
These Cummins trouble codes pertain to ISX engines built with the EGR system, but pre-DPF (2002 – 2006). 115 Engine Magnetic Speed/Position Lost Both of Two Signals – Data Erratic, Intermittent, or Incorrect 122 Intake Manifold 1 Pressure Sensor Circuit – Voltage Above Normal, or Shorted to High Source
What causes a fault code on an aftertreatment diesel?
Possible causes of this fault code include: Soot plugging the front face of the aftertreatment diesel oxidation catalyst. Engine oil or fuel contamination of the aftertreatment diesel oxidation catalyst. Cracked or contaminated aftertreatment diesel oxidation catalyst. Malfunction in the aftertreatment fuel injection system.