P1923 OBD Code Definition:
P1923 Fuel additive level circuit range/performance
P1923 OBD Code Description:
OBD Code P1923
Possible Symptoms
- Malfunction Indicator Light (MIL) active
Possible Causes
- Fault Code(s) stored in Engine Control Unit 2
Possible Solutions
- Check/Fix Fault Code(s) in Engine Control Unit 2
Tech Notes
- This fault code is a note since the system it is stored in interacts with the Engine Control Unit 2 and due to a fault code there it may not be fully functional.