Liebherr Fault Code

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P1195

DPF Warning Light / High Idle

System

Emissions / DPF

Symptom

DPF Warning Light / High Idle

Diagnosis & fix steps

LOGIC: DPF Differential Pressure Above Max Operating Limit (Soot Level 3). ACTION: Perform active forced DPF regeneration via SCULI diagnostic tool. Inspect differential pressure sensor sample tubes for soot clogging or moisture.

Red Seal field insights

Exhaust Backpressure: High soot accumulation increases backpressure, restricting turbo spooling and forcing active regeneration to prevent filter cracking.

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