OBD Guide

U061C

Lost Communication With Reductant Temperature Sensor A

U061C is an OBD-II diagnostic trouble code meaning: Lost Communication With Reductant Temperature Sensor A. Common causes: open or short circuit in the sensor circuit, reagent temperature sensor malfunction. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine light comes on
  • Possible reduction in engine power
  • Increased NOx emissions
  • SCR error message on instrument panel
  • Increased AdBlue urea consumption

Causes

  • Open or short circuit in the sensor circuit
  • Reagent temperature sensor malfunction
  • Connector problems or contact corrosion
  • SCR control module malfunction
  • Wiring harness damage

How to Fix

  1. Check the continuity of the temperature sensor circuit
  2. Inspect connectors and contacts for corrosion
  3. Check the functionality of the temperature sensor
  4. Scan the system for additional errors
  5. If necessary, replace the reagent temperature sensor

Related codes

Error U061C by Vehicle Brand

FAQ

What does the U061C code mean?

U061C is an OBD-II diagnostic trouble code that indicates: Lost Communication With Reductant Temperature Sensor A

What causes a U061C error code?

The most common causes of U061C include: Open or short circuit in the sensor circuit; Reagent temperature sensor malfunction; Connector problems or contact corrosion; SCR control module malfunction.

How do I fix a U061C diagnostic trouble code?

To fix U061C: Check the continuity of the temperature sensor circuit. Inspect connectors and contacts for corrosion. Check the functionality of the temperature sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U061C?

Limited driving only, diagnose soon

How much does it cost to fix U061C?

The estimated repair cost for U061C is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat