P1039 Possible Causes
- Faulty nitrogen oxide (NOx) sensor
- Nitrogen oxide (NOx) sensor wiring harness is open or short-circuited
- Poor electrical connection in the nitrogen oxide (NOx) sensor circuit
How is P1039 Code Repaired?
Start by checking the “Possible Causes” listed above. Visually inspect the wiring harness and associated connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Check engine light on (or service engine soon warning light)
P1039 Meaning
Nitrogen oxide sensor short circuit is the generic description for code P1039, 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 P1039.