OBD Guide

U061B

Lost Communication With Reductant Level Sensor C

U061B is an OBD-II diagnostic trouble code meaning: Lost Communication With Reductant Level Sensor C. Common causes: open or short circuit in the sensor circuit, reagent level sensor fault c. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Check Engine Light Is On
  • Reduced engine power
  • Possible problems starting the engine
  • SCR system error message on dashboard
  • Increased fuel consumption

Causes

  • Open or short circuit in the sensor circuit
  • Reagent level sensor fault C
  • Wiring harness damage
  • Oxidation of contacts in connectors
  • Problems with the engine control unit

How to Fix

  1. Check the continuity of the reagent level sensor C
  2. Inspect and clean connector contacts
  3. Check the functionality of the sensor
  4. Replace the reagent level sensor if necessary
  5. Check and replace wiring harness if necessary

Related codes

Error U061B by Vehicle Brand

FAQ

What does the U061B code mean?

U061B is an OBD-II diagnostic trouble code that indicates: Lost Communication With Reductant Level Sensor C

What causes a U061B error code?

The most common causes of U061B include: Open or short circuit in the sensor circuit; Reagent level sensor fault C; Wiring harness damage; Oxidation of contacts in connectors.

How do I fix a U061B diagnostic trouble code?

To fix U061B: Check the continuity of the reagent level sensor C. Inspect and clean connector contacts. Check the functionality of the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U061B?

Yes, but get it checked soon

How much does it cost to fix U061B?

The estimated repair cost for U061B is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat