P2BA7
NOx Exceedence - Empty Reagent Tank
P2BA7 is an OBD-II diagnostic trouble code meaning: NOx Exceedence - Empty Reagent Tank. Common causes: empty reagent tank (adblue), reagent level sensor malfunction. Estimated repair cost: $6–22.
Symptoms
- Check Engine light comes on
- Possible reduction in engine power
- Dashboard message indicating low reagent level
- Increased emissions of harmful substances
- The car may go into emergency mode
Causes
- Empty reagent tank (AdBlue)
- Reagent level sensor malfunction
- Problems with the reagent injection system
- SCR system injector clogged
- SCR system control module malfunction
How to Fix
- Check the reagent level in the tank
- If necessary, add reagent (AdBlue)
- Check the operation of the reagent level sensor
- Diagnose the reagent injection system
- Check the SCR system injector for clogging
- Reset the error after eliminating the cause
Related codes
Error P2BA7 by Vehicle Brand
FAQ
What does the P2BA7 code mean?
P2BA7 is an OBD-II diagnostic trouble code that indicates: NOx Exceedence - Empty Reagent Tank
What causes a P2BA7 error code?
The most common causes of P2BA7 include: Empty reagent tank (AdBlue); Reagent level sensor malfunction; Problems with the reagent injection system; SCR system injector clogged.
How do I fix a P2BA7 diagnostic trouble code?
To fix P2BA7: Check the reagent level in the tank. If necessary, add reagent (AdBlue). Check the operation of the reagent level sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2BA7?
Yes, but get it checked soon
How much does it cost to fix P2BA7?
The estimated repair cost for P2BA7 is $6–22. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat