B1421

DTC B1421 / B1422 / B1423 / B1424: No Data From Tire Pressure Sensor

(DTC B1421: No Data From Tire Pressure Sensor No.1 /)
(DTC B1422: No Data From Tire Pressure Sensor No.2 /)
(DTC B1423: No Data From Tire Pressure Sensor No.3 /)
(DTC B1424: No Data From Tire Pressure Sensor No.4)

NOTE: Each tire pressure sensor is numbered and that number is assigned in the order as its ID code is registered in BCM. It does not indicate the tire position (LF, RF, LR and RR). Check what number of the tire pressure sensor is assigned to which tire, referring to How to Identify Tire Pressure Sensor Number.

Wiring Diagram

Wiring Diagram:

DTC Detecting Condition and Trouble Area

DTC Detecting Condition And Trouble Area:

Troubleshooting

Step 1-4: