B1A79 RAM Code - Remote Start Antenna Circuit Open Or Not Connected
Quick Answer
The B1A79 diagnostic trouble code (DTC) indicates that there is an issue with the remote start antenna circuit being open or not connected. Common causes include Damaged wiring in the remote start antenna circuit, Faulty remote start antenna module, Loose connection between the antenna and the ECM. 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
- B1A79 RAM indicates Remote Start Antenna Circuit Open Or Not Connected.
- Common causes
- Common causes include Damaged wiring in the remote start antenna circuit, Faulty remote start antenna module, Loose connection between the antenna and the ECM.
- 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 B1A79 RAM Description
The B1A79 diagnostic trouble code (DTC) indicates that there is an issue with the remote start antenna circuit being open or not connected. In modern vehicles, remote start systems allow drivers to start their vehicles from a distance, providing convenience and comfort. The remote start antenna is a crucial component of this system, as it receives signals from the remote key fob to start the vehicle remotely. When the circuit is open or not connected, the vehicle's remote start function may not work properly, leading to inconvenience for the driver.
Common Causes of B1A79 RAM
- Damaged wiring in the remote start antenna circuit
- Faulty remote start antenna module
- Loose connection between the antenna and the ECM
- Corrosion or rust affecting the antenna circuit
- Impact damage to the antenna or wiring
Symptoms of B1A79 RAM
- Remote start system not working
- Inability to start the vehicle remotely using the key fob
- Warning light on the dashboard related to the remote start system
- Vehicle not responding to remote start commands
How to Fix B1A79 RAM
- Begin by inspecting the wiring and connections in the remote start antenna circuit for any visible damage or loose connections.
- Test the remote start antenna module to determine if it is functioning correctly or needs replacement.
- Check for any corrosion or rust that may be affecting the antenna circuit and clean or repair as necessary.
- If no visible issues are found, use a multimeter to test the continuity of the circuit and identify any breaks or open connections.
- Once the issue is identified, repair or replace the damaged components, reconnect any loose connections, and test the remote start system to ensure proper functionality.
Cost to Fix B1A79 RAM
The cost of repairing a B1A79 DTC related to the remote start antenna circuit can vary depending on the extent of the issue and the specific components that need to be repaired or replaced. In general, the repair costs for this type of issue can range from $100 to $300, including parts and labor. However, it's important to note that diagnostic time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's recommended to check with local auto repair shops for a more accurate estimate based on your specific circumstances.
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Frequently Asked Questions about B1A79 RAM Code
1. What does the OBDII code B1A79 mean?
The B1A79 code indicates an issue with the remote start antenna circuit, specifically that it is open or not connected.
2. What are the common symptoms of the B1A79 code?
Symptoms include the remote start system not functioning, the key fob having a limited range, or the vehicle failing to recognize the remote signal.
3. What causes the B1A79 code to appear?
This code is typically caused by a damaged or disconnected remote start antenna, faulty wiring, or issues with the antenna module itself.
4. How can I diagnose the B1A79 code?
Diagnosis involves inspecting the remote start antenna for damage, checking for loose or corroded wiring, and using a scan tool to confirm the fault.
5. Can I drive my car with the B1A79 code active?
Yes, the code does not affect drivability, but the remote start system may not work until the issue is resolved.
6. How do I fix the B1A79 code?
Repairs may include reconnecting or replacing the remote start antenna, repairing damaged wiring, or replacing the antenna module if necessary.
7. Where is the remote start antenna located?
The remote start antenna is usually located near the vehicle’s rearview mirror, under the dashboard, or in the rear of the vehicle, depending on the model.
8. How much does it cost to fix the B1A79 code?
Repair costs vary but generally range from $100 to $300, depending on whether the antenna or wiring needs to be repaired or replaced.
9. Can a weak key fob battery cause the B1A79 code?
No, a weak key fob battery does not cause this code, but it can mimic similar symptoms by reducing remote start functionality.
10. Do I need a professional mechanic to fix the B1A79 code?
While some wiring checks and antenna inspections can be done at home, a professional mechanic may be needed for advanced diagnostics and repairs.
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