B2349 Code - Mirror Switch Reference Voltage Negative Common Open Circuit
Quick Answer
The B2349 diagnostic trouble code (DTC) indicates that there is an open circuit in the mirror switch reference voltage negative common. Common causes include Faulty mirror switch, Damaged wiring or connectors in the mirror switch circuit, Corrosion or poor connections in the electrical system. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- B2349 indicates Mirror Switch Reference Voltage Negative Common Open Circuit.
- Common causes
- Common causes include Faulty mirror switch, Damaged wiring or connectors in the mirror switch circuit, Corrosion or poor connections in the electrical system.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code B2349 Description
The B2349 diagnostic trouble code (DTC) indicates that there is an open circuit in the mirror switch reference voltage negative common. This means that there is a lack of continuity in the electrical circuit responsible for providing the reference voltage to the mirror switch. The mirror switch is an essential component that allows the driver to adjust the mirrors for optimal visibility. When this circuit is open, the mirror switch may not function properly, affecting the driver's ability to adjust the mirrors as needed.
Common Causes of B2349
- Faulty mirror switch
- Damaged wiring or connectors in the mirror switch circuit
- Corrosion or poor connections in the electrical system
- Defective mirror control module
Symptoms of B2349
- Inability to adjust side mirrors
- Mirrors not moving when mirror switch is activated
- Erratic mirror movements
- Warning light on the dashboard related to mirror switch
How to Fix B2349
- Begin by performing a visual inspection of the mirror switch and wiring to look for any visible damage or loose connections.
- Use a multimeter to test the continuity of the mirror switch reference voltage negative common circuit.
- Replace the mirror switch if it is found to be faulty.
- Repair or replace any damaged wiring or connectors in the circuit.
- If the issue persists, consider checking and potentially replacing the mirror control module.
Cost to Fix B2349
The typical repair costs for addressing a B2349 code can vary depending on the specific cause of the issue. In general, parts for a mirror switch replacement can range from $50 to $150, while labor costs can range from $80 to $150 per hour. Additional costs may apply if there is a need for wiring repairs or module replacement. It is advisable to consult with a qualified mechanic or automotive technician to get an accurate estimate based on the vehicle's make and model, as well as the extent of the repair needed.
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