Cummins ISX » SPN: 4796 FMI: 11/31

Flex

Mr Gear Grinder
Codes
Fault
PID(P): S380
SPN: 4796
FMI: 11/31
Lamp: Amber
SRT:Code: 1664

Reason
The after-treatment diesel oxidation catalyst is not present in the exhaust system.

Effect
Possible reduced engine performance.

Why the code?
This fault code becomes active when the after-treatment diesel oxidation catalyst intake and aftertreatment diesel particulate filter intake temperature sensors do not detect the presence of a catalyst in the aftertreatment system.

Possible causes of this fault code include:

Tampering with the catalyst system

Removing the catalyst system from the vehicle

A damaged catalyst.
 

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