U2630
Reductant Control Module Lost Communication With Reductant Tank Temperature Sensor 2
U2630 is an OBD-II diagnostic trouble code meaning: Reductant Control Module Lost Communication With Reductant Tank Temperature Sensor 2. Common causes: open or short circuit in the temperature sensor circuit, adblue temperature sensor malfunction. Estimated repair cost: $28–167.
Symptoms
- Check Engine light comes on
- Possible engine power limitation
- AdBlue system error message on the dashboard
- Increased fuel consumption
- Problems starting the engine (in some models)
Causes
- Open or short circuit in the temperature sensor circuit
- AdBlue temperature sensor malfunction
- Poor contact in wiring connectors
- Problems with the AdBlue control module
- Corrosion of contacts due to reagent ingress
How to Fix
- Check the integrity of the wiring to the temperature sensor
- Check connectors for corrosion or damage
- Test the temperature sensor with a multimeter
- If necessary, replace the temperature sensor
- Check and, if necessary, replace the AdBlue control module
Related codes
FAQ
What does the U2630 code mean?
U2630 is an OBD-II diagnostic trouble code that indicates: Reductant Control Module Lost Communication With Reductant Tank Temperature Sensor 2
What causes a U2630 error code?
The most common causes of U2630 include: Open or short circuit in the temperature sensor circuit; AdBlue temperature sensor malfunction; Poor contact in wiring connectors; Problems with the AdBlue control module.
How do I fix a U2630 diagnostic trouble code?
To fix U2630: Check the integrity of the wiring to the temperature sensor. Check connectors for corrosion or damage. Test the temperature sensor with a multimeter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U2630?
Yes, but get it checked soon
How much does it cost to fix U2630?
The estimated repair cost for U2630 is $28–167. Actual cost depends on your vehicle, location, and labor rates.
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