Case Fault Code
Free · no signup3242-15
Regen Failure.
System
Not specified
Symptom
Regen Failure.
Diagnosis & fix steps
LOGIC: DPF Intake Temperature High.
ACTION: Check the "Hydro-Doser" (7th injector) for a leak. It may be spraying too much fuel into the exhaust.
Red Seal field insights
Pro-Tip: If the doser tip is "carbon-coned," it drips fuel instead of misting it, causing a localized fire in the pipe that trips the high-temp code.
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