Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
B143C-12ANC Microphone 2-Circuit Short To Battery
B143C-12ANC Microphone 2-Circuit Short To Battery
Manufacturer communications
14Original wording in English
JEEP
Flash: Amplifier (AMP) Diagnostic and System Updates **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):** ● B143B-12 - ANC Microphone 1-Circuit Short To Battery. ● B143C-12 - ANC Microphone 2-Circuit Short To B…
RAM
Flash: Amplifier (AMP) Diagnostic and System Updates **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):** ● B143B-12 - ANC Microphone 1-Circuit Short To Battery. ● B143C-12 - ANC Microphone 2-Circuit Short To B…
RAM
Flash: Amplifier (AMP) Diagnostic and System Updates **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):** ● B143B-12 - ANC Microphone 1-Circuit Short To Battery. ● B143C-12 - ANC Microphone 2-Circuit Short To B…
JEEP
Flash: Amplifier (AMP) Diagnostic and System Updates *Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):** ● B143B-12 - ANC Microphone 1-Circuit Short To Battery. ● B143C-12 - ANC Microphone 2-Circuit Short To Ba…
Check vehicle applicability
329A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.