2017-10-10
Check the reductant control module connections and wiring for any loose or damaged components.
Test the internal temperature sensor using a multimeter to ensure it is functioning correctly.
Replace the reductant control module internal temperature sensor if it is determined to be faulty.
If all else fails, consider replacing the entire reductant control module, as it may be experiencing internal malfunctions that cannot be repaired.
Malfunctioning or failing Reductant Control Module
Faulty internal temperature sensor
Wiring or connection issues with the Reductant Control Module
Insufficient or contaminated reductant fluid
Exhaust system leaks or damage
Check engine light illuminated
Reduced engine power
Difficulty starting the engine
Decreased fuel efficiency
Poor vehicle performance