Conditions for Setting the DTC
WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
B2455 02
Control module K73 detects:Cellular Telephone Microphone Signal = Short to Ground
B2455 04
- Control module K73 detects:Cellular Telephone Microphone Signal = Open Circuit
- Control module K73 detects:Cellular Telephone Microphone Low Reference = Open Circuit