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Harley Code B1359: What It Means and How to 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 B1359 code at some point. This code can be frustrating to deal with, as it can prevent you from starting your bike or using certain features. However, with a little knowledge and troubleshooting, you can fix the issue and get back on the road in no time.

The B1359 code is related to the ignition run/accessory circuit, and it can have several possible causes. One common cause is a faulty ignition switch, which can prevent the bike from starting or cause it to stall while in use. Another possible cause is an open or shorted harness in the ignition switch circuit, which can disrupt the flow of electricity and trigger the code.

To diagnose and fix the B1359 code, you will need to inspect the wiring harness and connectors related to the ignition switch. You may also need to test the ignition switch itself and other related components, such as the smart junction box. By identifying and addressing the root cause of the code, you can restore your bike to proper working condition and enjoy a smooth, safe ride.

Understanding Harley Diagnostic Trouble Codes

When your Harley-Davidson motorcycle encounters an issue, the onboard diagnostic system generates Diagnostic Trouble Codes (DTCs) to help identify the problem. Understanding DTCs can help you troubleshoot and repair your motorcycle. Here are some basics to get you started.

DTC Basics

DTCs consist of letters and numbers that provide specific information about the issue at hand. Each code is made up of a letter followed by four digits. The letter indicates the system or module where the fault was detected, while the digits provide more specific information about the issue.

For example, the code B1359 indicates a fault in the front right headset, which is part of the audio system. The letter “B” indicates that the issue is with a non-engine-related module, while the digits “1359” provide more specific information about the fault.

Common Harley DTCs

Here are some common DTCs that Harley-Davidson riders may encounter:

  • B1103: Front turn signal short to ground
  • B1153: Side stand switch fault
  • B1200: Fuel sender open/low
  • B1210: TSM/TSSM/HFSM not responding
  • B1211: TSM/TSSM/HFSM not able to read the speedometer
  • B1212: TSM/TSSM/HFSM not able to read the tachometer
  • B1213: TSM/TSSM/HFSM not able to read the voltage
  • B1300: Left turn output fault
  • B1301: Right turn output fault
  • B1302: Left turn output open
  • B1303: Right turn output open
  • B1304: Left turn output short to ground
  • B1305: Right turn output short to ground
  • B1306: Left turn output short to battery
  • B1309: Fuel level sensor high
  • B1310: Fuel level sensor low
  • B1312: Exhaust actuator position error
  • B1313: Exhaust actuator fault
  • B1314: Exhaust actuator disconnected
  • B1315: Exhaust actuator short to ground
  • B1316: Exhaust actuator short to battery
  • B1317: Exhaust actuator open

If you encounter any of these DTCs or others, consult your owner’s manual or a qualified mechanic to diagnose and repair the issue. Remember to always use caution when working on your motorcycle and follow proper safety procedures.

Ignition System Insights

If you are experiencing Harley code B1359, it is likely that there is an issue with your ignition system. The ignition system is responsible for starting your motorcycle and keeping it running. In this section, we will explore the functionality of the ignition system and provide some electrical troubleshooting tips.

Ignition Switch Functionality

The ignition switch is a critical component of the ignition system. It is responsible for turning on the motorcycle’s electrical system. When you turn the key to the “on” position, the ignition switch sends power to the battery and other components of the motorcycle.

If your ignition switch is faulty, it can cause a range of issues, including Harley code B1359. To diagnose this issue, you can visually inspect the ignition switch and the associated wiring for any signs of damage or wear. You can also use an OBD-II scanner to retrieve the stored trouble codes, including the B1359 code.

Electrical Troubleshooting

If you suspect that there is an issue with your ignition system, there are a few electrical troubleshooting steps you can take. First, you should check the battery to ensure that it is fully charged and functioning properly. A weak or dead battery can cause a range of issues, including difficulty starting the motorcycle.

Next, you should check the Controller Area Network (CAN) bus. The CAN bus is a communication system that allows different components of the motorcycle to communicate with each other. If there is an issue with the CAN bus, it can cause a range of issues, including Harley code B1359.

Finally, you should check for any other symptoms that may be related to the ignition system. For example, if you are having trouble starting the motorcycle, this may be a sign of a faulty ignition system. Similarly, if your motorcycle is running rough or stalling, this may also be a sign of an issue with the ignition system.

By following these electrical troubleshooting tips, you can diagnose and fix issues with your Harley’s ignition system.

Harley Electrical Components

When it comes to Harley-Davidson motorcycles, there are several electrical components that work in tandem to ensure that your bike runs smoothly. Here are some of the most important ones:

Battery and Charging System

The battery and charging system are essential components that ensure that your Harley-Davidson motorcycle starts and runs smoothly. The battery provides the necessary power to start the bike, while the charging system ensures that the battery stays charged while you ride.

Body Control Module (BCM)

The Body Control Module (BCM) is responsible for managing various electrical components of the bike, including lighting, security system, and antenna output. The BCM communicates with other modules and components to ensure that the bike runs smoothly.

Ignition Switch Sensor (ISS)

The Ignition Switch Sensor (ISS) is responsible for detecting the position of the ignition switch. It sends a signal to the BCM to indicate whether the bike is in the on or off position.

If you encounter Harley code B1359, it could be due to a fault in one of these components. B1359 is a code that indicates that the front right headset is shorted high. This code could be caused by a poor electrical connection in the ignition switch circuit, a faulty Smart Junction Box (SJB), or damaged components.

To fix this issue, start by visually inspecting the related wiring harness and connectors. Look for broken, bent, pushed out, or corroded connector pins. If you find any damaged components, replace them with genuine Harley-Davidson replacement parts.

Remember that using non-Harley-Davidson parts or accessories can adversely affect performance, stability, or handling, which could result in death or serious injury. To achieve satisfactory and lasting repairs, carefully follow the service manual instructions and use only genuine Harley-Davidson replacement parts.

Overall, it is important to keep your Harley-Davidson motorcycle’s electrical components in good condition to ensure that your bike runs smoothly and safely.

Fuel System Faults and Fixes

If you are experiencing Harley code B1359, it is likely that there is an issue with your ignition start circuit. However, it is important to also check your fuel system for any faults that may be contributing to the problem. Here are some common fuel system faults and fixes to consider:

Fuel Level Sender Issues

The fuel level sender is responsible for sending the correct fuel level signal to your bike’s computer. If there is an issue with the sender, it can cause a variety of problems, including B1359. Here are some potential fuel level sender issues and their fixes:

  • Fuel level sender shorted low/open: This issue occurs when there is a break in the circuit or the sender is not providing the correct signal. To fix this issue, you will need to replace the sender.

  • Fuel level sender shorted high: This issue occurs when the sender is providing too much signal. To fix this issue, you will need to replace the sender.

  • Fuel signal low: This issue occurs when there is a weak signal being sent from the sender. To fix this issue, you will need to check the wiring and connections to ensure they are secure and replace the sender if necessary.

  • Fuel signal high: This issue occurs when there is a strong signal being sent from the sender. To fix this issue, you will need to check the wiring and connections to ensure they are secure and replace the sender if necessary.

By checking and fixing any potential fuel system faults, you can help ensure that your bike is running smoothly and that you are not experiencing any issues with Harley code B1359.

Control Module Communication

When it comes to Harley-Davidson fault codes, one of the most common is B1359. This fault code indicates an issue with the front right headset being shorted high. However, this fault code can also be caused by other issues, including problems with the control module communication.

CAN Bus Network

The CAN Bus network is a critical component of the Harley-Davidson electrical system. It allows different modules to communicate with each other and share information. If there is an issue with the CAN Bus network, it can cause all sorts of problems, including fault code B1359.

Module Error Codes

In addition to B1359, there are several other Harley-Davidson fault codes that can indicate issues with the control module communication. These include LHCM internal error, RHCM internal error, and IM internal fault. If you are experiencing any of these issues, it is important to have your Harley-Davidson inspected by a qualified technician.

To diagnose these issues, the technician will use a diagnostic tool to read the fault codes stored in the control modules. They will then use this information to determine the cause of the problem and make any necessary repairs.

In conclusion, if you are experiencing issues with your Harley-Davidson electrical system, it is important to have it inspected by a qualified technician. Fault code B1359 and other module error codes can indicate problems with the control module communication, which can cause a wide range of issues. By addressing these issues early, you can prevent more serious problems down the line.

Handlebar Control Malfunctions

If you are experiencing issues with your Harley Davidson’s handlebar controls, it is likely that the problem is related to the LHCM (Left Handlebar Control Module) or RHCM (Right Handlebar Control Module). One common issue that can trigger the B1359 code is a malfunction with the switches and buttons on the handlebar controls.

Switches and Buttons

The switches and buttons on the handlebar controls can become stuck or malfunction due to wear and tear over time. Some common issues include the rear volume up/down buttons, rear mode button, rear PTT (Push-to-Talk) button, rear tune up/down buttons, LHCM (Left Handlebar Control Module) up/left/center/right/down buttons, RHCM (Right Handlebar Control Module) info/up/left/center/right/down buttons, and RHCM CB (Citizen’s Band) squelch up/PTT/squelch down buttons.

If any of these buttons or switches become stuck or malfunction, it can cause the LHCM or RHCM to short high or low, triggering the B1359 code. To fix this issue, you will need to inspect the affected button or switch to determine if it is stuck or malfunctioning. If it is, you may need to replace the entire handlebar control module.

It is important to note that handlebar control malfunctions can also be caused by other issues, such as a faulty BCM (Body Control Module), wiring issues, or a malfunctioning ignition switch. Therefore, it is important to diagnose the issue accurately before attempting any repairs.

In summary, handlebar control malfunctions can cause the B1359 code to trigger on your Harley Davidson. If you are experiencing issues with any of the switches or buttons on your handlebar controls, it is important to diagnose the issue accurately and replace the affected parts as necessary.

Radio and Audio Issues

If you are experiencing issues with your Harley Davidson radio or audio system, it could be due to a variety of factors. One common issue is error code B1359, which refers to a front right headset shorted high. This can cause problems with the audio output and may require troubleshooting to resolve.

Troubleshooting Radio Errors

To troubleshoot radio errors, start by checking the faceplate preset buttons. If any of the buttons are stuck, this could be causing the issue. Try pressing each button to ensure that they are functioning properly. If a button is stuck, you may need to have it repaired or replaced.

Another common issue is radio voltage problems. If the radio voltage is too high or too low, this can cause issues with the audio output. Use a voltmeter to check the voltage levels and ensure that they are within the recommended range.

If you are still experiencing issues with your radio or audio system, it may be necessary to take your Harley Davidson to a professional for repair. They can diagnose the issue and provide a solution that will get your radio and audio system back to working properly.

Remember to always follow the manufacturer’s instructions when troubleshooting your radio or audio system. If you are unsure about any aspect of the troubleshooting process, seek assistance from a qualified professional.

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