What does code P1406 mean on Audi vehicles?
The EGR temperature sensor signal is out of range or performance is incorrect.
OBD-II Code Audi
P1406 — Audi — EGR Temperature Sensor Range/Performance
The EGR temperature sensor signal is out of range or performance is incorrect.
Common symptoms
- Check engine light
- irregular operation.
Possible causes
- Faulty EGR temperature sensor or carbon buildup.
Initial recommendation
Inspect EGR sensor and passages.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine Audi code P1406 with your vehicle's actual symptoms for more complete diagnostic guidance.
Go to the app View more brands