Circuit/System Verification
WARNING: This page is about a different car, the 2008 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
Replace the suspected inoperative or malfunctioning key. DTC B3935 should not reset and the vehicle should start.
- If the replacement key results in the resetting of DTC B3935, replace the TDM.