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Buddy
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Category: Heavy Equipment
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Experience:  20 years experience. Freightliner tech for last 14 years
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cummins..check engine light came on and the fault code..odometer

Customer Question

We have a "07" model 9400i with an ISX 475 Cummins. The check engine light came on and the fault code on the odometer is (128-F04 PID027_A). Could you possibly inform me as to what this code pertains to?
Submitted: 4 years ago.
Category: Heavy Equipment
Expert:  Buddy replied 4 years ago.

Hi and welcome to JA. I am Buddy, and i will try and help you out.

 

This fault code is for a faulty egr valve. If the code is active, the egr valve must be replaced.

 

CODEREASONEFFECT
Fault Code: 2272
PID: P027
SPN: 27
FMI: 4/4
LAMP: Amber
SRT:

EGR Valve Position Circuit - Voltage Below Normal, or Shorted to Low Source. Low signal voltage has been detected at the EGR position sensor circuit.

 

EGR valve actuation will be disabled.

 

 

I hope this helps you out. If you have anymore questions, just ask.

 

Thanks
Buddy

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Buddy
Buddy
Diesel Technician
700 Satisfied Customers
20 years experience. Freightliner tech for last 14 years