Enter the error code and car brand
Vehicle engine and/or automatic transmission
Code: P1103 - The oxygen (O2) sensor heater circuit for Bank 1 Sensor 1 is not producing enough output, which can affect engine performance and emissions.
DTC P1103 SEAT
28.09.2025
6275
1 minute of reading
Video for "Error p1103" on YouTube
The following error codes are often searched for
Comments on the article