OBD Guide

U0696

Lost Communication With Particulate Filter Pressure Sensor C

U0696 is an OBD-II diagnostic trouble code meaning: Lost Communication With Particulate Filter Pressure Sensor C. Common causes: open or short circuit in the sensor circuit, particulate filter pressure sensor fault c. 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 comes on
  • Reduced engine power
  • The car goes into emergency mode
  • Increased fuel consumption
  • Problems with the particulate filter cleaning system

Causes

  • Open or short circuit in the sensor circuit
  • Particulate filter pressure sensor fault C
  • Damage to connectors or corrosion of contacts
  • Problems with the ECU
  • Wiring harness fault

How to Fix

  1. Check the integrity of the sensor circuit
  2. Check the condition of connectors and contacts
  3. Test diesel particulate filter pressure sensor C
  4. Replace sensor if necessary
  5. Check and replace wiring harness if necessary

Related codes

Error U0696 by Vehicle Brand

FAQ

What does the U0696 code mean?

U0696 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Particulate Filter Pressure Sensor C

What causes a U0696 error code?

The most common causes of U0696 include: Open or short circuit in the sensor circuit; Particulate filter pressure sensor fault C; Damage to connectors or corrosion of contacts; Problems with the ECU.

How do I fix a U0696 diagnostic trouble code?

To fix U0696: Check the integrity of the sensor circuit. Check the condition of connectors and contacts. Test diesel particulate filter pressure sensor C. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0696?

Yes, but get it checked soon

How much does it cost to fix U0696?

The estimated repair cost for U0696 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

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