Enter the error code and car brand
Vehicle engine and/or automatic transmission
Code: P1815 - The Transmission Fluid Pressure (TFP) switch detected an invalid gear selection, meaning the transmission may not be shifting correctly.
DTC P1815 HUMMER
10.10.2025
6408
1 minute of reading
Video for "Error p1815" on YouTube
The following error codes are often searched for
Comments on the article