U061D

Lost Communication With Reductant Temperature Sensor B

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine light comes on
Possible reduction in engine power
Increased fuel consumption
The SCR system may stop working
An error message appears on the dashboard

Causes

Reagent temperature sensor B fault
Open or short circuit in the sensor circuit
Poor contact in the sensor or ECU connector
Wiring Harness Problems
SCR ECU malfunction

How to Fix

Check the continuity of the reagent temperature sensor B
Inspect the sensor and ECU connectors for corrosion or damage.
Check the resistance of the temperature sensor (compare with nominal values)
If necessary, replace reagent temperature sensor B
Reset the error and check if it returns

Related codes

U061E U061F U0620