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Harley Code B1364: How to Troubleshoot and Fix It

by

Chase Manhattan

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Owner and Editor at The Wrench Network

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Hey y’all, it’s Chase Manhattan! I’m a life-long automotive and motorcycle enthusiast with a knack for diagnostics that I hope to share with you! Lately, I’ve been running my own motorcycle rental business, which you can read about here, and it has been a great experience that has allowed me to own numerous bikes that I probably couldn’t justify otherwise. Plus, it’s been a great way to experience new places while on vacation. If you haven’t heard of them before, I definitely recommend checking out the Riders-Share platform if you get the itch to ride while away from home, or if you want to explore a cheaper way to own and ride motorcycles!

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If you own a Harley-Davidson motorcycle, you may have encountered the B1364 trouble code at some point. This code indicates that there is a short circuit in the rear left headset of your bike. This issue can be caused by a variety of factors, such as a damaged wire or a malfunctioning headset. If you are experiencing this problem, it is important to address it promptly to prevent further damage to your motorcycle.

To diagnose the B1364 code, you can use the trip reset button on your Harley-Davidson without the need for a diagnostic tool. Once you have located the trip reset button, you can read the trouble codes on your bike’s odometer display. If you see the B1364 code, you will need to inspect the rear left headset for any signs of damage or wear. It is also recommended to check the wiring and connections to ensure that they are properly connected and functioning correctly.

If you are unsure how to address the B1364 code on your Harley-Davidson, it is always best to consult a certified mechanic or dealership. They can provide you with the necessary expertise and guidance to fix the issue and get your motorcycle back on the road. By addressing the B1364 code promptly, you can ensure the safety and longevity of your Harley-Davidson.

Understanding Harley Code B1364

Significance of Diagnostic Trouble Codes

Diagnostic Trouble Codes (DTCs) are used to identify and diagnose issues with your Harley-Davidson motorcycle. These codes are generated by the motorcycle’s onboard diagnostic system, which monitors various sensors, circuits, and components for any abnormalities or malfunctions.

When a DTC is generated, the Check Engine Light (CEL) on your motorcycle will illuminate, indicating that there is a problem that needs to be addressed. It is important to diagnose and fix any DTCs as soon as possible to prevent further damage to your motorcycle.

Overview of B1364 Code

Harley Code B1364 is a DTC that is related to the radio on your motorcycle. Specifically, it indicates that the radio voltage is high. This code can be triggered by a number of different issues, including a short circuit in the wiring, a faulty radio, or a problem with the battery or charging system.

If you have received this code, it is important to diagnose the issue as soon as possible. Continuing to ride your motorcycle with this issue can cause further damage to the radio or other electrical components on your motorcycle.

To diagnose the issue, you can use a diagnostic tool or take your motorcycle to a Harley-Davidson dealership or qualified mechanic. They will be able to diagnose the issue and recommend the appropriate course of action.

In summary, Harley Code B1364 is a DTC that indicates that there is an issue with the radio voltage on your motorcycle. It is important to diagnose and address this issue as soon as possible to prevent further damage to your motorcycle.

Electrical System Components

The electrical system of your Harley Davidson motorcycle is a complex network of components that work together to keep the bike running smoothly. In this section, we’ll take a closer look at two key components of the electrical system: the battery and ignition system, and module communications.

Battery and Ignition System

The battery and ignition system are responsible for providing power to the motorcycle’s engine and electrical components. The battery stores electrical energy that is used to start the engine, while the ignition system provides the spark that ignites the fuel in the engine.

If you’re experiencing issues with the B1364 code, it’s possible that there’s a problem with your battery or ignition system. To diagnose the issue, you’ll need to visually inspect the wiring harness and connectors, and check for damaged components. Look for broken, bent, pushed out, or corroded connector pins.

Module Communications

Another key component of the electrical system is module communications. Your Harley Davidson motorcycle uses a Body Control Module (BCM) to manage various electrical components of the bike, including lighting, security system, and antenna output. The BCM is responsible for communicating with other modules and components to ensure that the bike runs smoothly.

If you’re experiencing issues with the B1364 code, it’s possible that there’s a problem with the BCM or module communications. To diagnose the issue, you’ll need to check for damaged components and look for broken, bent, pushed out, or corroded connector pins. Do not use electrical test equipment to diagnose the issue, as this can cause further damage to the electrical system.

In summary, the electrical system of your Harley Davidson motorcycle is a complex network of components that work together to keep the bike running smoothly. If you’re experiencing issues with the B1364 code, it’s important to diagnose the issue quickly and accurately to prevent further damage to the electrical system.

Radio and Sound System Issues

If you own a Harley Davidson motorcycle, you know that the sound system is an essential part of your ride. It is not only an entertainment system but also a communication system while you are on the road. However, sometimes the sound system can malfunction, and you might encounter some issues.

Radio Functionality Problems

One of the most common issues that you might face with your Harley Davidson’s sound system is the radio functionality problem. You might hear the radio cutting off after a few minutes of use. According to a post on the Harley Davidson Forum, this issue could be due to the amp overheating.

To diagnose this problem, you can try the radio diagnostic program. With the ignition off, hold in any two buttons while turning the ignition on at the same time. This gets you into the radio diagnostics. That procedure is in your owner’s manual.

Speaker and Audio Controls

Another issue that you might face with your Harley Davidson’s sound system is the speaker and audio controls. The speakers might not work, or the audio controls might not function correctly. In some cases, you might receive an error code B1364, which indicates a problem with the rear headset.

According to a post on the Road Glide forum, the system was checked, and there were no codes. The user then ran the radio diagnostic and got the codes U0186 amp 2 “active,” B1360 front headset “historic,” and B1364 rear headset “historic.”

If you encounter this issue, the best course of action would be to take your Harley Davidson to a certified technician. They will be able to diagnose the problem and provide a solution.

In conclusion, if you encounter any issues with your Harley Davidson’s sound system, don’t worry. You can diagnose the problem yourself using the radio diagnostic program or take your motorcycle to a certified technician.

Body Control Module (BCM) Analysis

BCM’s Role in Harley-Davidson

The Body Control Module (BCM) is a crucial part of your Harley-Davidson motorcycle’s electrical system. It is responsible for managing various electrical components, such as lighting, ignition, and security system. The BCM receives input from various sensors and switches, and it sends output signals to different components in the motorcycle.

Troubleshooting BCM Related Codes

If you are experiencing issues with your Harley-Davidson motorcycle, it is essential to diagnose the problem correctly. One of the most common BCM-related codes is B1364. This code indicates that there is a malfunction in the BCM ignition output circuit.

To troubleshoot this code, you should start by checking the battery voltage. A low battery voltage can cause BCM problems. Make sure the battery voltage is at least 12.5 volts. Next, check the fuses for the BCM and make sure they’re not blown. Check the connections to the BCM and make sure they’re clean and tight.

If these steps do not resolve the issue, you may need to replace the BCM. It is essential to note that replacing the BCM requires programming. You should take your motorcycle to a Harley-Davidson dealership or a qualified mechanic to have the BCM replaced and programmed.

In conclusion, the BCM is a critical component of your Harley-Davidson motorcycle’s electrical system. If you are experiencing issues with your motorcycle, it is essential to diagnose the problem correctly. If you are experiencing the B1364 code, start by checking the battery voltage, fuses, and connections to the BCM. If these steps do not resolve the issue, you may need to replace the BCM.

Control Switches and Buttons

The left and right hand control modules are responsible for the operation of various switches and buttons on your Harley-Davidson motorcycle. These switches and buttons allow you to control various functions of your motorcycle, such as the headlights, turn signals, and horn. In this section, we will discuss the LHCM and RHCM and how they relate to the B1364 error code.

Left Hand Control Module (LHCM)

The LHCM is located on the left handlebar of your motorcycle. It contains several buttons and switches that allow you to control various functions of your motorcycle. If you are experiencing an LHCM internal error, it means that there is an issue with the LHCM itself. This could be due to a faulty switch or wiring issue.

Right Hand Control Module (RHCM)

The RHCM is located on the right handlebar of your motorcycle. It contains several buttons and switches that allow you to control various functions of your motorcycle. If you are experiencing an RHCM internal error, it means that there is an issue with the RHCM itself. This could be due to a faulty switch or wiring issue.

Rear Hand Controls Shorted High/Low

If you are experiencing a rear hand controls shorted high or low error, it means that there is an issue with the rear hand controls on your motorcycle. This could be due to a wiring issue or a faulty switch. The rear hand controls include the rear PTT button and the rear left headset button. If you are experiencing this error code, it is recommended that you check the wiring and switches for any issues.

In conclusion, the LHCM and RHCM are important components of your Harley-Davidson motorcycle that allow you to control various functions of your motorcycle. If you are experiencing any issues with these components, it is recommended that you check the wiring and switches for any issues.

Fuel System Diagnostics

If you’re experiencing the B1364 code on your Harley, it could be related to a fuel system problem. Here are some things to check.

Fuel Level Sender Complications

The B1364 code can be triggered by a shorted low or open circuit in the fuel level sender. This is the component that sends a signal to the fuel gauge on your dashboard to show you how much fuel is in your tank. If the sender isn’t working properly, it can cause the code to appear.

To diagnose this issue, you can use a multimeter to test the resistance of the fuel level sender. If it’s not within the specified range, you may need to replace the sender.

Fuel Signal Discrepancies

Another reason for the B1364 code is fuel signal discrepancies. This can happen if the fuel signal is too low or too high. If the fuel signal is too low, it could be due to a clogged fuel filter or a weak fuel pump. If the fuel signal is too high, it could be due to a faulty fuel pressure regulator.

To diagnose this issue, you can use a fuel pressure gauge to test the fuel pressure. If it’s not within the specified range, you may need to replace the fuel filter, fuel pump, or fuel pressure regulator.

Remember to always follow the manufacturer’s recommended procedures when diagnosing and repairing your Harley. If you’re not comfortable doing the repairs yourself, it’s always best to take it to a qualified mechanic.

Safety and Sensor Systems

When it comes to your Harley-Davidson motorcycle, safety should always be a top priority. That’s why the Bank Angle Sensor (BAS) and Turn Signals are crucial components in the safety and sensor systems of your bike.

Bank Angle Sensor (BAS) and Turn Signals

The Bank Angle Sensor (BAS) is a safety device that is designed to detect if your motorcycle has fallen over. It is located in the turn signal module and is activated when the bike leans over more than 45 degrees. The BAS will then shut off the fuel pump and ignition system to prevent fuel from spilling and causing a fire. This is an important safety feature that can help prevent serious accidents and injuries.

The turn signals on your Harley-Davidson are also an important safety feature. They are used to signal your intentions to other drivers on the road. It’s important to ensure that your turn signals are functioning properly at all times. If you notice that your turn signals are not working, it could be a sign of a larger problem with your bike’s electrical system.

Historic and Pending Codes

Harley-Davidson motorcycles are equipped with an onboard diagnostic system that can help identify issues with your bike. This system can store both historic and pending codes. Historic codes are codes that have been previously detected and are no longer active. Pending codes are codes that have been detected but have not yet been confirmed.

If you notice that your bike is displaying a historic or pending code, it’s important to take it to a certified Harley-Davidson mechanic as soon as possible. Ignoring these codes could lead to more serious problems down the road.

In conclusion, the Bank Angle Sensor (BAS) and Turn Signals are crucial components in the safety and sensor systems of your Harley-Davidson motorcycle. It’s important to ensure that these components are functioning properly at all times to prevent accidents and injuries. Additionally, paying attention to historic and pending codes can help you identify issues with your bike before they become more serious problems.

Troubleshooting and Repair Strategies

Deciphering the Harley Code B1364

When you encounter the Harley code B1364, it means there is a problem with the rear left headset. Specifically, the code indicates that the headset is shorted low. This can be caused by a variety of issues, including a faulty run/stop switch, a damaged wiring harness, or a problem with the headset itself.

To properly diagnose the issue, you will need to use a diagnostic tool to read the trouble code and determine the root cause of the problem. Once you have identified the cause of the issue, you can begin to develop a plan for repairing the headset and resolving the B1364 code.

Common Repair Solutions

There are several common repair solutions that can help you resolve the Harley code B1364. Some of the most effective solutions include:

  • Replacing the run/stop switch: If the switch is faulty, it can cause the headset to short low and trigger the B1364 code. Replacing the switch can help to resolve the issue and prevent it from recurring in the future.

  • Checking the wiring harness: A damaged wiring harness can also cause the B1364 code. Check the harness for any signs of damage, such as frayed wires or loose connections. Repair or replace any damaged wiring as needed.

  • Inspecting the headset: If the run/stop switch and wiring harness are both in good condition, the issue may be with the headset itself. Inspect the headset for any signs of damage or wear, and replace it if necessary.

By taking these steps, you can troubleshoot and repair the Harley code B1364 and get your bike back on the road in no time. Remember to always use caution when working on your bike, and consult a professional if you are unsure of how to proceed.

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