Conditions for Setting the DTC
WARNING: This page is about a different car, the 2018 Cadillac XTS. However, it is still accessible from the selected car via links, so may be relevant.
B2462 02
The telematics communication interface control module detects a short to ground on the GPS antenna signal circuit.
B2462 04
The telematics communication interface control module detects a open/high resistance on the GPS antenna signal circuit.