P1038 Possible Causes
- Faulty nitrogen oxide (NOx) sensor
- Nitrogen oxide (NOx) sensor wiring harness open or short circuit
- Nitrogen oxide (NOx) sensor circuit poor electrical connection
How is P1038 Code Repaired?
Start by checking the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
P1038 Meaning
Nitrogen oxide sensor circuit open is the generic description for code P1038, but the manufacturer may have a different description for your specific vehicle model and year. Currently, we don’t have more information about OBDII code P1038.