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

DTC B1A41

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

DTC Detecting Condition and Trouble Area
DTC detecting condition Trouble area
B1A41: Vehicle Variant Data Not Programmed
Vehicle variant data is not stored in TPMS control module.
•ECM
•Combination meter
•TPMS control module
DTC Confirmation Procedure
1)Set ignition “ON”.
DTC Troubleshooting
Step Action Yes No
1
DTC check
Is DTC B1A03 or B1A40 detected?
Go to troubleshooting for applicable DTC.
Go to Step 2.
2
ECM specification check
1)Check ECM part number of the vehicle in service.
Is a correct ECM used for the vehicle in service?
Go to Step 3.
Replace ECM with a correct one and recheck DTC.
•M16A model: icon 
•K14C model: icon 
•D16AA model: icon 
3
Combination meter specification check
1)Check combination meter part number of the vehicle in service.
Is a correct combination meter used for the vehicle in service?
Replace TPMS control module with the correct one and recheck DTC. icon 
Replace combination meter with the correct one and recheck DTC. icon