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cumminsdr, Mechanic
Category: Medium and Heavy Trucks
Satisfied Customers: 3691
Experience:  All types of Cummins applications
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I have an 500 isx cummins with a fault of value to low, mid

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I have an 500 isx cummins with a fault of value to low, mid 128 sid 382
fm1 the engine sometime is missing power and sometime work like needing air, just like a man with breathing problems.
Hello and welcome to Just Answer! I would be more than happy to assist you today.With the SID number is XXXXX a FMI # XXXXX is also present, What is the engine serial number
Customer: replied 4 years ago.

Engine #79294274. Family 8cexh0912xal......

model isx500 st

ref no. 21180088


MID 128

SID. 382

I'm not seeing that SID 382 did you mean 328? Can you please verify. Thank you Louis
Customer: replied 4 years ago.

not I just see 382. but also have this mechanical fault

MID 128 SID 27, FMI 7



value too hight

MID 128 PID 131 FMI 0.



ok let me look


ok This fault code will set when the actual VGT actuator position can not meet the commanded position for more than 10 seconds.Either the actuator on the turbo has failed or the turbo sector gear is binding and you need a new turbo

Fault Code: 2373
PID: P131
SPN: 1209
FMI: 0
LAMP: Amber

Exhaust Gas Pressure Sensor Circuit - Voltage Above Normal, or Shorted to High Source. High signal voltage detected at the exhaust gas pressure circuit.


None on performance


Fault Code: 2387
PID: S027
SPN: 641
FMI: 7/7
LAMP: Amber

VGT Actuator Driver Circuit (Motor) - Mechanical System Not Responding Properly or Out of Adjustment. The smart VGT controller has detected incorrect stop limits, or the VGT is unable to move to the closed position.


VGT travel may be limited.

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