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I HAVE A 2015 Freightliner cascadia DD15 with a headache…

I HAVE A 2015...

I HAVE A 2015 Freightliner cascadia DD15 with a headache code 5246 FMI 15

Mechanic's Assistant: What is the complete model and serial number of your machine?

A472906S0240958

Mechanic's Assistant: Are you fixing this yourself? What have you tried so far?

DPF CLEAN / DEF DOSER & BLOCK NEW WITH NEW DEF PUMP & INLET NOX SENSOR NEW

Mechanic's Assistant: Anything else you want the equipment mechanic to know before I connect you?

DOC INLET TEMP SPIKES TO 795 WHEN RUN REGEN

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Answered in 8 minutes by:
11/19/2017
Technician: roybelding, Shop Foreman Freightliner trucks replied 4 years ago
roybelding
roybelding, Shop Foreman Freightliner trucks
Category: Medium and Heavy Trucks
Satisfied Customers: 12,915
Experience: Shop Froeman for Freightliner Trucks
Verified

hello, my name is ***** ***** I will be glad to assist you. please allow me a couple of minutes to gather some basic info.

Roy

ok

does it complete re gen???

Roy

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Customer reply replied 4 years ago
it completes regen but the doc inlet temp spikes to 780 plus
Technician: roybelding, Shop Foreman Freightliner trucks replied 4 years ago

description

any other codes???

517.2  SPN 5246/FMI 15 - EPA10

Regulatory Fault Ignored - Derate On

For 2011 models, this code sets when the vehicle has been driven for 30 miles while a code is present for the DEF tank level, DEF metering valve, DEF pump, NOx sensors, Blocked DEF line, DEF quality, NOx efficiency, SCR harness and/or SCR sensor.

For 2010 models, this code sets when the vehicle has been driven for 10 hours or 500 miles while a code is present for the DEF tank level, DEF metering valve, DEF pump, NOx sensors, Blocked DEF line, DEF quality, NOx efficiency, SCR harness and/or SCR sensor.

SPN 5246/FMI 15

DescriptionRegulatory Fault Ignored - Derate On.

Monitored ParameterSCR and DPF sensors

Typical Enabling ConditionsAlways enabled

Monitor SequenceNone

Execution FrequencyAlways enabled

Typical Duration2 seconds

Dash LampsCEL

Engine Reaction25 percent derate

Verification

Parked SCR efficiency test for extended SCR faults

High idle regeneration for DPF and NOx faults

Check as follows:

Show/Hide Checkboxes

  1. Connect DiagnosticLink® . Go to step 2.
  2. Check for other emission-related fault codes. Are there any Selective Catalyst Reduction (SCR) or Diesel Particulate Filter (DPF) related fault codes present?
    1. Yes; diagnose and repair the emission-related fault codes first. Verify repair.
    2. No; perform the Selective Catalyst Reduction (SCR) efficiency test or high idle regeneration. Use DiagnosticLink to clear the code.

Printed Sat Nov 18 2017 21:05:18 GMT-0500 (Eastern Standard Time)

Copyright © 2017 by Detroit Diesel Corporation. All rights reserved.

Last updated on 07-25-2014

roybelding
roybelding, Shop Foreman Freightliner trucks
Category: Medium and Heavy Trucks
Satisfied Customers: 12,915
Experience: Shop Froeman for Freightliner Trucks
Verified
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Technician: roybelding, Shop Foreman Freightliner trucks replied 4 years ago
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