OBD Guide

P243A

Particulate Filter Restriction - Ash Accumulation Bank 2

P243A is an OBD-II diagnostic trouble code meaning: Particulate Filter Restriction - Ash Accumulation Bank 2. Common causes: excessive engine oil consumption, low fuel quality. Estimated repair cost: $167โ€“556.

Severity
๐Ÿ”ด High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$167โ€“556 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Exhaust smoke
  • Check Engine Light Is On
  • Problems with DPF regeneration

Causes

  • Excessive engine oil consumption
  • Low fuel quality
  • Frequent short trips without regeneration
  • Malfunction of the DPF regeneration system
  • Mechanical wear of the particulate filter

How to Fix

  1. Exhaust system diagnostics
  2. Forced DPF regeneration
  3. Cleaning the particulate filter with special means
  4. Replacing the diesel particulate filter if it is heavily worn
  5. Checking the engine lubrication system

Related codes

Error P243A by Vehicle Brand

FAQ

What does the P243A code mean?

P243A is an OBD-II diagnostic trouble code that indicates: Particulate Filter Restriction - Ash Accumulation Bank 2

What causes a P243A error code?

The most common causes of P243A include: Excessive engine oil consumption; Low fuel quality; Frequent short trips without regeneration; Malfunction of the DPF regeneration system.

How do I fix a P243A diagnostic trouble code?

To fix P243A: Exhaust system diagnostics. Forced DPF regeneration. Cleaning the particulate filter with special means. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P243A?

Yes, but get it checked soon

How much does it cost to fix P243A?

The estimated repair cost for P243A is $167โ€“556. Actual cost depends on your vehicle, location, and labor rates.

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