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I have spn 3251 and spn 1569 on. Both my diagnostic and

Customer Question
check engine light on. They...
I have spn 3251 and spn 1569 on. Both my diagnostic and check engine light on. They keep coming on and off. What does this mean
JA: We'll do all we can to help. Tell me a bit more about what's going on so the Heavy Truck Mechanic can help you best.
Customer: I have a 2013 ISX 450 freightliner tractor. I have had this issue fixed 6 times now but they keep coming back
JA: Is there anything else the Heavy Truck Mechanic should be aware of?
Customer: Don't really know now there an ECU 00 appearing on the box
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Heavy Truck Mechanic about your situation and then connect you two.
Submitted: 1 year ago.Category: Medium and Heavy Trucks
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Answered in 1 minute by:
6/19/2016
Technician: cumminsdr, Mechanic replied 1 year ago
cumminsdr
cumminsdr, Mechanic
Category: Medium and Heavy Trucks
Satisfied Customers: 3,705
Experience: All types of Cummins applications
Verified

What is your engine serial number? And id their an FMI code too. so it would read SPN 3251 FMI ??? ect...

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Customer reply replied 1 year ago
Give me a few minutes to check
Technician: cumminsdr, Mechanic replied 1 year ago

No problem . Just respond back to this post. Thank You

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Customer reply replied 1 year ago
1FUJGLBGXELFL0327
Technician: cumminsdr, Mechanic replied 1 year ago

Thank you for the VIN number, Your engine serial number is ***** . do you have an FMI number for these faults? dash should read SPN 1569 FMI ??? ect..

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Customer reply replied 1 year ago
No fmi
Customer reply replied 1 year ago
I just got the info fr the Qualcomm . It has no fmi in it.
Customer reply replied 1 year ago
Dash only says ECU 00. That's it
Customer reply replied 1 year ago
Check engine light is on. The second stage. Aside from the 1st stage diagnostic light. 2 ***** *****ghts are on. If you get what I mean. They come on and off. Most of the time it's only the 1st stsge. Then disappears. As if nothing is wrong
Customer reply replied 1 year ago
Are you still there. I've tried to use the call option but can't get thru
Technician: cumminsdr, Mechanic replied 1 year ago

ok Thank You

Fault Code: 6255

SPN: 1569
FMI: 0/15
Engine Protection Torque Derate - Data Valid But Above Normal Operating Range - Least Severe Level. Critical fault codes related to engine operation are active.

Possible reduced engine performance.

This fault code is for information only, and indicates that an engine power derate has been implemented in order to make sure that the critical fault codes that are presently active in the ECM are addressed as quickly as possible

CODE

Fault Code: 1883
PID: S324
SPN: 3251
FMI: 0/2

Aftertreatment Diesel Particulate Filter Differential Pressure Sensor - Data Erratic, Intermittent, or Incorrect. The aftertreatment diesel particulate filter differential pressure sensor is reading an erratic value at initial key ON or during engine operation.Possible reduced engine performance.

Possible causes of this fault code include:

  • Stuck in-range aftertreatment diesel particulate filter differential pressure sensor reading
  • High resistance in the aftertreatment diesel particulate filter differential pressure sensor signal or return wires
  • Disconnected or damaged aftertreatment diesel particulate filter differential pressure sensor tubes
  • Plugged aftertreatment differential pressure sensor ports could cause this fault code if pressure is held in the port after the engine is turned off.
  • Frozen, plugged, or restricted aftertreatment DPF differential pressure sensor tubes.

Please don't fotget to rate my service. If you need more assistance Please let me know.

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Technician: cumminsdr, Mechanic replied 1 year ago

The aftertreatment diesel particulate filter differential pressure sensor is mounted on the diesel particulate filter. It is a combination sensor that detects both diesel particulate filter differential pressure and outlet pressure.

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Technician: cumminsdr, Mechanic replied 1 year ago

Hi. Just following up,Please don't forget to rate my service

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Technician: cumminsdr, Mechanic replied 1 year ago

Hi, Just following up. Please don't forget to rate my service.

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Technician: cumminsdr, Mechanic replied 1 year ago

Please don't forget to rate my service

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cumminsdr
cumminsdr
cumminsdr, Mechanic
Category: Medium and Heavy Trucks
Satisfied Customers: 3,705
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Experience: All types of Cummins applications

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