LEMON Manuals
: Even more car manuals for everyone
Home
>>
Buick
>>
2015
>>
Regal GS, AWD
>>
Repair and Diagnosis
>>
Body & Frame
>>
Ignition Switch/Steering Lock
>>
Immobilizer System
>>
Diagnostic Information and Procedures
>>
DTC B3935: Transponder Authentication
>>
Conditions for Setting the DTC
Conditions for Setting the DTC
The transponder calculation of the challenge from the BCM does not match the BCM calculation.