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

DTC B1188

Precautions: Precautions for Diagnosing Trouble · Precautions for Immobilizer System · General safety (00)

DTC Detecting Condition and Trouble Area
DTC detecting condition Trouble area
B1188: Transponder Communication Error
Verification error between ignition key and keyless entry control module.
•Ignition key is not registered
•Ignition key
•Keyless entry control module
DTC Troubleshooting
NOTE:
•Before performing troubleshooting, read Precautions for Immobilizer System:Ignition Switch Model.
•If keyless entry control module is used in another vehicle before, ignition key cannot be registered. Always install new keyless entry control module whenever replacement is necessary.
Step Action Yes No
1
Engine start check
1)Start engine using the spare ignition key.
Does engine start?
End. (Ignition key was not registered)
Go to Step 2.
2
Ignition key registration
1)Perform “Immobilizer Key Registration”. icon 
2)Check that ignition is “OFF”.
3)Set ignition “ON”.
4)Recheck DTC.
Is DTC B1188 still detected?
Replace keyless entry control module and recheck DTC. icon 
End. (Ignition key was not registered)