Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
B143C - Microphone 1 Circuit High: Notes
2010 Volkswagen Routan SSECTION Notes
For a complete wiring diagram, refer to the appropriate SYSTEM WIRING DIAGRAM information.
- >>When Monitored:<< With the ignition on.
- >>Set Condition:<< The radio detects a fault in any of the microphone circuits.
| Possible Causes |
|---|
| MICROPHONE 1 IN (+) CIRCUIT X712 OPEN |
| MICROPHONE 1 IN (+) CIRCUITS X712 SHORT TO VOLTAGE |
| INSIDE REARVIEW MIRROR |
| RADIO |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.