OBD Guide

P246C

Particulate Filter Restriction - Forced Limited Power Bank 1

P246C is an OBD-II diagnostic trouble code meaning: Particulate Filter Restriction - Forced Limited Power Bank 1. Common causes: heavy contamination of the particulate filter, malfunction of exhaust gas pressure sensors. Estimated repair cost: $167โ€“556.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$167โ€“556 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Difficulty starting the engine
  • Black smoke from the exhaust pipe
  • Error message on the dashboard

Causes

  • Heavy contamination of the particulate filter
  • Malfunction of exhaust gas pressure sensors
  • Problems with the DPF regeneration system
  • Use of low-quality fuel
  • Mechanical damage to the filter

How to Fix

  1. Check the condition of the particulate filter
  2. Perform forced DPF regeneration
  3. Check the operation of pressure sensors
  4. Clean or replace the particulate filter
  5. Exhaust gas recirculation system diagnostics

Related codes

Error P246C by Vehicle Brand

FAQ

What does the P246C code mean?

P246C is an OBD-II diagnostic trouble code that indicates: Particulate Filter Restriction - Forced Limited Power Bank 1

What causes a P246C error code?

The most common causes of P246C include: Heavy contamination of the particulate filter; Malfunction of exhaust gas pressure sensors; Problems with the DPF regeneration system; Use of low-quality fuel.

How do I fix a P246C diagnostic trouble code?

To fix P246C: Check the condition of the particulate filter. Perform forced DPF regeneration. Check the operation of pressure sensors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P246C?

Do not drive โ€” repair immediately

How much does it cost to fix P246C?

The estimated repair cost for P246C is $167โ€“556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat