Conditions for Setting the DTC
WARNING: This page is about a different car, the 2017 GMC Acadia. 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 an open/high resistance on the GPS antenna signal circuit.