Hitachi Fault Code
Free · no signup15501-2
Limp Mode.
System
Not specified
Symptom
Limp Mode.
Diagnosis & fix steps
LOGIC: EGR Gas Temperature High.
ACTION: Inspect EGR cooler for internal plugging; check EGR valve for carbon "coking."
Red Seal field insights
Red Seal Fix: Don't replace the cooler immediately. Often, the sensor itself is "filmed" with soot, causing slow response. Clean with carb cleaner first.
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