Conditions for Setting the DTC
WARNING: This page is about a different car, the 2018 GMC Terrain and 2018 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
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The telematics communication interface control module detects a short to ground in the cellular phone microphone signal circuit for 10 s or greater.
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The following conditions will set this DTC:
- The telematics communication interface control module detects an open/high resistance in the cellular phone microphone signal circuit for 10 s or greater.
- The telematics communication interface control module detects an open/high resistance in the low signal circuit for 10 s or greater.