B1441

DTC B1441 / B1442 / B1443 / B1444: Invalid Status

DTC B1441: Invalid Status (Tire Pressure Sensor No.1) /

DTC B1442: Invalid Status (Tire Pressure Sensor No.2) /

DTC B1443: Invalid Status (Tire Pressure Sensor No.3) /

DTC B1444: Invalid Status (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 How to Identify Tire Pressure Sensor Number.
- Perform 2) to 4) of Step 2 within 15 minutes after the vehicle was driven. When 15 minutes or more have elapsed after the vehicle was driven, drive again under the specified conditions.

DTC Detecting Condition and Trouble Area






Troubleshooting

1. Tire pressure sensor check

Measure each tire pressure in tires referring to tire placard.

Is measured tire pressure specified pressure?
YES -
Go to Step 2.
NO -
Adjust air pressure in tire (s) referring to tire placard.

2. Tire pressure sensor check

Check to determine which tire the DTC detected tire pressure sensor belongs to, referring to How to Identify Tire Pressure Sensor Number How to Identify Tire Pressure Sensor Number.
Connect SUZUKI scan tool to DLC.
Select "Data List" under BCM of SUZUKI scan tool.
Check "Sensor status" displayed on SUZUKI scan tool.

Does "Re-measure" displayed?
YES -
Replace tire pressure sensor.
NO -
Substitute a known-good BCM and recheck.