Illustration 60 g03795585
Example of an electronic service tool screenshot of the histogram. This histogram is populated when the engine
system has calculated a condition in which high exhaust temperatures are present. A diagnostic code will not be
logged when the system calculates a high exhaust temperature condition. The engine will be derated in order to
protect the engine system. This situation is normal under most circumstances and no additional troubleshooting is
necessary.
Note: Information from this histogram is to be used
with active and logged diagnostic trouble codes. This
histogram is for information only.
Complete the procedure in the order in which the
steps are listed.
184 UENR4469-36
Symptom Troubleshooting
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