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Home/DTC Codes/Toyota/86/2017-2020 2.0L H4/B1004
B1004

TPMS Sensor Circuit - Spare Tire

2017-2020 Toyota 86 2.0L H4

Low SeverityBodyGeneric (SAE)

Description

Malfunction in the spare tire TPMS sensor (vehicles equipped with spare tire monitoring).

Symptoms

  • TPMS warning light on
  • Spare tire pressure not monitored
  • TPMS system fault indicator

Common Causes

  • Dead spare tire sensor battery
  • Spare tire sensor removed
  • Spare tire replaced without sensor
  • Sensor not programmed

Diagnostic Steps

  1. Check if vehicle monitors spare tire pressure
  2. Trigger spare sensor
  3. Verify sensor registration
  4. Inspect spare tire sensor

Repair Notes

Replace spare tire TPMS sensor if equipped. Some vehicles monitor spare tire pressure.

Related Codes

B1000TPMS Sensor Circuit - Left FrontB1010TPMS Receiver Module Malfunction

Other Body Codes

B1004 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 B1004 mean on a 2017-2020 Toyota 86?

B1004 stands for "TPMS Sensor Circuit - Spare Tire". Malfunction in the spare tire TPMS sensor (vehicles equipped with spare tire monitoring).

What are the symptoms of B1004 on a Toyota 86?

Common symptoms of B1004 include: TPMS warning light on, Spare tire pressure not monitored, TPMS system fault indicator.

What causes B1004 on a 2017-2020 Toyota 86?

Common causes of B1004 include: Dead spare tire sensor battery, Spare tire sensor removed, Spare tire replaced without sensor, Sensor not programmed.

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