Toyota Tundra Forums banner
h025
1-1 of 1 Results
  1. Lighting & General Electrical
    Hi Super smart helpful enthusiasts. My 04 V8 4.7 Tundra had the code P0031 come up, which is H025 (or H02S) meaning Heater Control Circuit low Bank 1 Sensor 1 (and possibly Bank 1 Sensor 2). Can I get some help with what this means and the severity? I susperced it was related to very little...
1-1 of 1 Results
Top