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Daniel Wilson
Daniel Wilson,
Category: Medium and Heavy Trucks
Satisfied Customers: 1973
Experience:  Owner at DJ Wilson
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I have a cummins isx throwing code 1921 got doc and dpf

Customer Question

hi i have a cummins isx throwing code 1921 got doc and dpf cleaned and cleaned dozer valve.temps are going over 500. did a dpf and doc reset. fault never went inactive. regened for 45 min and fault 1921 is still active. what do i do now because i have never seen this before
Submitted: 9 months ago.
Category: Medium and Heavy Trucks
Expert:  roybelding replied 9 months ago.

good morning my name is ***** ***** I will assist

what is the engine serial number???


Expert:  roybelding replied 9 months ago.

do you still need help

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