Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
To diagnose the B2455 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.
The Telematics Communication Interface Control Module provides the Cellular Phone Microphone with a supplied voltage on the Cellular Phone Microphone signal circuit. When the microphone is in use, voice data from the user is sent back to the Telematics Communication Interface Control Module on the cellular microphone low reference circuit. The Diagnostic Trouble Code (DTC) will be set when the Telematics Communication Interface Control Module detects a Cellular Phone Microphone Circuit failure.
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