TPMS Sensor Circuit - Left Front
2017-2020 Toyota 86 2.0L H4
Description
Malfunction in the left front tire pressure monitoring sensor. The sensor is not transmitting or transmitting invalid data.
Symptoms
- TPMS warning light on
- Left front tire pressure not displayed
- Tire pressure shows dashes
- Low tire pressure warning may be false
Common Causes
- Dead TPMS sensor battery
- Faulty TPMS sensor
- Sensor damaged during tire service
- Aftermarket wheel without sensor
- Sensor not programmed to vehicle
Diagnostic Steps
- Check if sensor is programmed to vehicle
- Trigger sensor with TPMS tool
- Check sensor battery status
- Inspect sensor for physical damage
- Verify sensor frequency matches vehicle
Repair Notes
Replace TPMS sensor and program to vehicle. Ensure tire shop installs sensor during tire service.
Related Codes
Other Body Codes
- B0001Driver Frontal Stage 1 Deployment Control
- B0002Driver Frontal Stage 2 Deployment Control
- B0003Passenger Frontal Stage 1 Deployment Control
- B0004Passenger Frontal Stage 2 Deployment Control
- B0005Driver Knee Airbag Deployment Circuit
- B0006Passenger Knee Airbag Deployment Circuit
- B0007Rear Left Side Airbag Deployment Circuit
- B0008Rear Right Side Airbag Deployment Circuit
- B0009Rear Center Airbag Deployment Circuit
- B0010Driver Side Airbag Deployment
B1000 on Other Vehicles
Toyota 4Runner
2003-2009 4.0L V6
Toyota 4Runner
2003-2009 4.7L V8
Toyota 4Runner
2010-2024 4.0L V6
Toyota Alphard
2023-2025 2.4L I4 Turbo T24A-FTS
Toyota Alphard
2023-2025 2.5L I4 Hybrid A25A-FXS
Toyota Aqua
2011-2021 1.5L I4 Hybrid 1NZ-FXE
Toyota Aqua
2021-2025 1.5L I3 Hybrid M15A-FXE
Toyota Avalon
2005-2012 3.5L V6
Common Questions
What does code B1000 mean on a 2017-2020 Toyota 86?
B1000 stands for "TPMS Sensor Circuit - Left Front". Malfunction in the left front tire pressure monitoring sensor. The sensor is not transmitting or transmitting invalid data.
What are the symptoms of B1000 on a Toyota 86?
Common symptoms of B1000 include: TPMS warning light on, Left front tire pressure not displayed, Tire pressure shows dashes, Low tire pressure warning may be false.
What causes B1000 on a 2017-2020 Toyota 86?
Common causes of B1000 include: Dead TPMS sensor battery, Faulty TPMS sensor, Sensor damaged during tire service, Aftermarket wheel without sensor, Sensor not programmed to vehicle.