OBD Guide

P243B

Particulate Filter Restriction - Forced Limited Power Bank 2

P243B is an OBD-II diagnostic trouble code meaning: Particulate Filter Restriction - Forced Limited Power Bank 2. Common causes: dpf clogged, malfunction of exhaust gas pressure sensors. Estimated repair cost: $167โ€“556.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167โ€“556 (est.)

Symptoms

  • Reduced engine power
  • Activating emergency mode
  • Increased fuel consumption
  • Black smoke from the exhaust pipe
  • Check Engine indicator on the dashboard

Causes

  • DPF clogged
  • Malfunction of exhaust gas pressure sensors
  • Problems with the DPF regeneration system
  • Low fuel quality
  • EGR valve malfunction

How to Fix

  1. Check the condition of the particulate filter
  2. Perform forced DPF regeneration
  3. Check the operation of the exhaust gas pressure sensors
  4. Clean or replace the particulate filter if necessary
  5. Check the EGR system for malfunctions

Related codes

Error P243B by Vehicle Brand

FAQ

What does the P243B code mean?

P243B is an OBD-II diagnostic trouble code that indicates: Particulate Filter Restriction - Forced Limited Power Bank 2

What causes a P243B error code?

The most common causes of P243B include: DPF clogged; Malfunction of exhaust gas pressure sensors; Problems with the DPF regeneration system; Low fuel quality.

How do I fix a P243B diagnostic trouble code?

To fix P243B: Check the condition of the particulate filter. Perform forced DPF regeneration. Check the operation of the exhaust gas pressure sensors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P243B?

Limited driving only, diagnose soon

How much does it cost to fix P243B?

The estimated repair cost for P243B is $167โ€“556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat