John Deere Fault Code

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3719.16

DPF light on; Request for "Parked Regen."

System

ECU

Symptom

DPF light on; Request for "Parked Regen."

Diagnosis & fix steps

DPF Soot Load - High. LOGIC: The pressure differential across the DPF shows it is nearly plugged with soot. ACTION: 1. Perform a Parked Manual Regen. 2. If it fails, check the "Doser" (7th injector) for clogging. FIX: Perform Manual Regen; clean/replace DPF filter if it won't burn off.

Red Seal field insights

If the machine keeps asking for regens every 4-5 hours, your 7th injector (fuel doser) is likely plugged. It won't throw a "doser" code, just a "soot load" code.

Same code keeps coming back?

That's a program problem, not a part problem. Book a 30-minute uptime review with Grant, a Red Seal Heavy Duty Technician.

Book an uptime review

Read before you touch anything

  • This is general reference information, not a repair manual. It is for trained, qualified technicians.
  • Fault codes, meanings and procedures vary by model, serial number and software version. Confirm the code and the procedure against the manufacturer's service manual before acting.
  • Follow the OEM service manual, torque specs and your site's safety procedures: lockout/tagout, block raised equipment, relieve hydraulic, fuel and air pressure, and let hot systems cool.
  • You use this information at your own risk. Adventure Mechanical and AM Fleet Integrity accept no liability for damage, injury, downtime or loss arising from its use.
  • Not affiliated with or endorsed by any manufacturer. Brand names are used only to identify the equipment a code applies to.

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