DTC B1492-1A: Microphone #1 Input Signal - Circuit resistance below threshold: Action
NOTE:
If this DTC is logged simultaneously with a cluster of DTCs including U200F-11, check symptoms for U200F-11 first, rectify the fault, clear DTCs and retest
- Refer to the electrical circuit diagrams and check the infotainment master controller microphone 1 circuit for open circuit, or low resistance between positive and negative pins. Repair the wiring harness as necessary. Clear the DTCs and retest