Suzuki Vitara (LY) 2016-2017 · Service Manual Diagnostic Information and Procedures

DTC B1A40

Precautions: Precautions for Diagnosing Trouble · Precautions for Control Systems · General safety (00)

DTC Detecting Condition and Trouble Area
DTC detecting condition Trouble area
B1A40: Tire Pressure Sensor Not Learned/Programmed
Tire pressure sensor ID code is not registered in TPMS control module.
TPMS control module
DTC Confirmation Procedure
1)Set ignition “ON”.
DTC Troubleshooting
Step Action Yes No
1
DTC check
Is DTC B1A03 detected?
Go to troubleshooting for applicable DTC.
Go to Step 2.
2
Tire pressure sensor ID code registration
1)Register tire pressure sensor ID code in TPMS control module. icon 
2)Recheck DTC.
Is DTC B1A40 still detected?
Replace TPMS control module and recheck DTC. icon 
End.