U030C
Software Incompatibility With Reductant Quality Module
U030C is an OBD-II diagnostic trouble code meaning: Software Incompatibility With Reductant Quality Module. Common causes: software version mismatch between ecu and reagent quality module, incorrect software update. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Possible reduction in engine power
- The SCR system may stop working
- AdBlue error message appears
- Increased NOx emissions
Causes
- Software version mismatch between ECU and reagent quality module
- Incorrect software update
- Problems with communication between modules
- Reagent quality module malfunction
- Damage to the wiring harness between modules
How to Fix
- Check that the software of all related modules is up to date
- Update software to compatible versions
- Check the integrity of the wiring between the modules
- Test the reagent quality module
- If necessary, replace the reagent quality module
Related codes
Error U030C by Vehicle Brand
FAQ
What does the U030C code mean?
U030C is an OBD-II diagnostic trouble code that indicates: Software Incompatibility With Reductant Quality Module
What causes a U030C error code?
The most common causes of U030C include: Software version mismatch between ECU and reagent quality module; Incorrect software update; Problems with communication between modules; Reagent quality module malfunction.
How do I fix a U030C diagnostic trouble code?
To fix U030C: Check that the software of all related modules is up to date. Update software to compatible versions. Check the integrity of the wiring between the modules. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U030C?
Yes, but get it checked soon
How much does it cost to fix U030C?
The estimated repair cost for U030C is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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