OBD Guide

P246D

Particulate Filter Pressure Sensor A/B Correlation

P246D is an OBD-II diagnostic trouble code meaning: Particulate Filter Pressure Sensor A/B Correlation. Common causes: pressure sensor a or b faulty, diesel particulate filter clogged or damaged. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Problems with diesel particulate filter regeneration
  • In some cases - limiting engine speed

Causes

  • Pressure sensor A or B faulty
  • Diesel particulate filter clogged or damaged
  • Damaged or clogged pipelines to sensors
  • Problems with wiring or sensor connectors
  • Engine control unit malfunction

How to Fix

  1. Diagnostics of pressure sensor readings
  2. Checking the condition of the particulate filter
  3. Inspection of piping and sensor connections
  4. Checking electrical wiring and connectors
  5. If necessary, replace a faulty sensor or particulate filter

Related codes

Error P246D by Vehicle Brand

FAQ

What does the P246D code mean?

P246D is an OBD-II diagnostic trouble code that indicates: Particulate Filter Pressure Sensor A/B Correlation

What causes a P246D error code?

The most common causes of P246D include: Pressure sensor A or B faulty; Diesel particulate filter clogged or damaged; Damaged or clogged pipelines to sensors; Problems with wiring or sensor connectors.

How do I fix a P246D diagnostic trouble code?

To fix P246D: Diagnostics of pressure sensor readings. Checking the condition of the particulate filter. Inspection of piping and sensor connections. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P246D?

Limited driving only, diagnose soon

How much does it cost to fix P246D?

The estimated repair cost for P246D is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat