B1A79 Code - Remote Start Antenna Circuit Open Or Not Connected
Quick Answer
The Diagnostic Trouble Code (DTC) set when no Remote Start Antenna detected by the Wireless Ignition Node (WIN). Common causes include Faulty Remote Start Antenna, Remote Start Antenna harness is open or shorted, Remote Start Antenna circuit poor electrical connection. 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 indicates Remote Start Antenna Circuit Open Or Not Connected.
- Common causes
- Common causes include Faulty Remote Start Antenna, Remote Start Antenna harness is open or shorted, Remote Start Antenna circuit poor electrical connection.
- 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.
Code B1A79 Description
What are the Possible Causes of the DTC B1A79?
- Faulty Remote Start Antenna
- Remote Start Antenna harness is open or shorted
- Remote Start Antenna circuit poor electrical connection
- Faulty Wireless Ignition Node (WIN)
How to Fix the DTC B1A79?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1A79 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Information for Specific Makes
- B1A79 Chrysler — Remote Start Antenna Circuit Open Or Not Connected
- B1A79 Dodge — Remote Start Antenna Circuit Open Or Not Connected
- B1A79 Jeep — Remote Start Antenna Circuit Open Or Not Connected
- B1A79 RAM — Remote Start Antenna Circuit Open Or Not Connected
Frequently Asked Questions about B1A79 Code
1. What are the common symptoms of OBDII code B1A79 (Remote Start Antenna Circuit Open Or Not Connected)?
- Common symptoms include issues with the remote start system not functioning properly, such as the remote start feature not working at all or working intermittently.
2. What can cause the OBDII code B1A79 to appear?
- The code B1A79 typically appears when there is an open circuit or a disconnected antenna in the remote start system, preventing proper communication between the key fob and the vehicle.
3. How can I diagnose the cause of OBDII code B1A79?
- Diagnosing the cause of B1A79 involves checking the wiring and connections related to the remote start antenna, inspecting for any visible damage or disconnections, and testing the antenna for proper functionality.
4. Can a faulty key fob battery trigger the OBDII code B1A79?
- Yes, a weak or dead key fob battery can sometimes cause communication issues between the key fob and the vehicle, leading to the appearance of code B1A79. It is recommended to replace the key fob battery as a first step in troubleshooting.
5. What are some repair tips for resolving OBDII code B1A79?
- Repair tips for B1A79 may include checking and repairing any damaged wiring, reconnecting any disconnected antennas, ensuring proper grounding, and reprogramming the remote start system if needed.
6. Is it safe to continue driving with OBDII code B1A79 present?
- While OBDII code B1A79 is related to the remote start system and may not directly affect the drivability of the vehicle, it is still recommended to address the issue promptly to ensure the proper functioning of the remote start feature.
7. Can a DIY enthusiast fix OBDII code B1A79 at home?
- Depending on the root cause of the code, some DIY enthusiasts with automotive repair experience may be able to fix B1A79 at home by following repair manuals, wiring diagrams, and using basic tools.
8. Will resetting the OBDII system clear the B1A79 code?
- Resetting the OBDII system may temporarily clear the B1A79 code, but if the underlying issue, such as an open circuit or disconnected antenna, is not addressed, the code is likely to reappear.
9. How much does it typically cost to repair OBDII code B1A79 at a mechanic or dealership?
- The cost of repairing OBDII code B1A79 can vary depending on the exact cause of the issue, labor rates, and the need for any replacement parts. It is advisable to contact a mechanic or dealership for an accurate estimate.
10. Can extreme weather conditions impact the appearance of OBDII code B1A79?
- Extreme weather conditions, such as heavy rain or extreme cold, can sometimes affect the performance of the remote start system and potentially trigger OBDII code B1A79 due to moisture or other environmental factors.
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