U010E

Lost Communication With Reductant Control Module

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Increased fuel consumption
SCR system error message on dashboard
Increased NOx emissions

Causes

Open or short circuit in the communication circuit
Reagent control module malfunction
Module power problems
Wiring harness damage
ECU software error

How to Fix

Check the integrity of the wiring harness to the module
Check fuses and relays associated with the module
Diagnose the reagent control module
Check connections and connectors for corrosion
Update ECU firmware if necessary

Related codes

U0100 U0101 U010D