OBD Guide

U0601

Lost Communication With Particulate Filter Pressure Sensor A

U0601 is an OBD-II diagnostic trouble code meaning: Lost Communication With Particulate Filter Pressure Sensor A. Common causes: open or short circuit in the sensor circuit, particulate filter pressure sensor malfunction. Estimated repair cost: $33–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Check Engine Light Is On
  • Reduced engine power
  • Increased fuel consumption
  • Problems with diesel particulate filter regeneration
  • Emergency engine operation

Causes

  • Open or short circuit in the sensor circuit
  • Particulate filter pressure sensor malfunction
  • Problems with the sensor connector
  • ECU malfunction
  • Wiring harness damage

How to Fix

  1. Check the continuity of the pressure sensor circuit
  2. Inspect the sensor connector for damage
  3. Check the functionality of the pressure sensor
  4. Scan the ECU for additional errors
  5. If necessary, replace the sensor or wiring harness

Related codes

Error U0601 by Vehicle Brand

FAQ

What does the U0601 code mean?

U0601 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Particulate Filter Pressure Sensor A

What causes a U0601 error code?

The most common causes of U0601 include: Open or short circuit in the sensor circuit; Particulate filter pressure sensor malfunction; Problems with the sensor connector; ECU malfunction.

How do I fix a U0601 diagnostic trouble code?

To fix U0601: Check the continuity of the pressure sensor circuit. Inspect the sensor connector for damage. Check the functionality of the pressure sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0601?

Yes, but get it checked soon

How much does it cost to fix U0601?

The estimated repair cost for U0601 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat