Why are the codes 3712 and 3714 not going away?
The 3712 and 3714 still would not go away, there were absolutely no other codes. I have experienced this before, my simple minded explanation is that the codes are latched and there is a software issue. I decided to reflash the computer to the latest calibration.
Are there any codes that will not clear?
The 3712 and 3714 codes however would not clear, and the engine was in derate mode. Below you can see the conditions for clearing the code: 3712 – Aftertreatment SCR Operator Inducement- Data Valid but Above Normal Operational Range- Most Severe Level
What are the codes that will not clear on a Cummins truck?
I went to a shop last week to look at this truck, two codes were in the PCM and would not clear. The shop diagnosed the truck with a bad particulate sensor. The sensor was replaced and the code did not come back. The 3712 and 3714 codes however would not clear, and the engine was in derate mode.
Is there a fault code 3714 on Cummins?
Cummins® fault code 3714 present with no other codes active. Note that the information covered in this TSB is also contained in Cummins® Technical Service Bulletin TSB110187. Issue During an active regeneration, the aftertreatment fuel injector injects fuel into the exhaust stream to raise the temperature of the exhaust.
What does the code 3712 on the ECM mean?
This fault code is for information only, and indicates that an engine power derate and vehicle speed limit have been implemented in order to make sure that the critical SCR related fault codes that are presently active in the ECM are addressed as quickly as possible. Refer to Troubleshooting Fault Code 3712.
Where is the SCR fault code 3712 located?
ISX12/ISX11.9 CM2250/ISB6.7 CM2250/ISC8.3 and ISL9 CM2250/ ISX15 CM2250 – Aftertreatment SCR Operator Inducement Circuit Description: The ECM continuously monitors the engine’s fault code status to determine if any critical SCR related fault codes are active. Component Location: The ECM mounting location varies, depending on the engine model.