P1193 The powertrain control module saw the fuel tank pressure sensor signal high
What does P1193 mean on a Honda?
P1193. The powertrain control module saw the fuel tank pressure sensor signal high. The module may not verify the fuel tank seal and can set an EVAP fault.. This Honda-enhanced code applies to Honda and Acura models that use this code.
Common causes of P1193
- Fuel tank pressure (FTP) sensor reading high
- Short to power in the FTP sensor harness
- Corroded FTP sensor connector pins
How to fix P1193
- Confirm the code and check for related EVAP faults
- Inspect the FTP sensor and connector for corrosion
- Measure the FTP circuit for a short to power
- Compare the FTP reading to actual tank pressure
- Replace the FTP sensor if it tests out of spec
- Clear the code and retest
Sources and review
- Based on one independent source.
- Last updated 2026-10-10.