Conditions for Setting the DTC

WARNING: This page is about a different car, the 2018 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.

B2470 02

The telematics communication interface control module detects a short to ground on the primary cellular antenna signal circuit.

B2470 04

The telematics communication interface control module detects an open or high resistance on the primary cellular antenna signal circuit.
The above conditions are present for greater than 1 s.