The Seasoned Wrench

,

Harley Code B1322: How to Fix It

by

Chase Manhattan

Chase Manhattan Avatar
Owner and Editor at The Wrench Network

Last Updated:

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!

Note: My posts may contain affiliate links. If you click on these links and make a purchase, I may receive a small commission at no extra cost to you. I only recommend products I genuinely believe in. Thanks for supporting The Seasoned Wrench!

Read my full affiliate disclaimer >>

If you’re a Harley-Davidson owner, you might have encountered the B1322 error code at some point. This code indicates that the right-hand control module’s left button is stuck. The RHCM is responsible for controlling various functions on the motorcycle, including the turn signals, horn, and headlights.

When the B1322 code appears on your Harley’s display, it means that the left button on the RHCM is stuck in the “on” position. This can cause several issues, such as the turn signals not functioning correctly, the horn not working, or the headlights not turning on. It’s essential to address this issue as soon as possible to ensure that your motorcycle is safe to ride and operates correctly.

Fortunately, diagnosing and fixing the B1322 code is relatively simple. You can read the DTC codes on a Harley-Davidson without a diagnostic tool by using the trip reset button. The main steps in this process are as follows: press and hold the trip reset button, turn the ignition switch to the on position, release the trip reset button, and then press and release the button again. The code will appear on the display, and you can then take the necessary steps to resolve the issue.

Understanding Harley Code B1322

If you are experiencing issues with your Harley, you may see a diagnostic trouble code (DTC) displayed on the instrument cluster. One of the codes you may come across is B1322. In this section, we will help you understand what this code means and what you can do about it.

Identifying the Error

Harley code B1322 indicates that the right-hand control module (RHCM) left button is stuck. This means that the button is either physically stuck or there is an issue with the RHCM that is causing it to register as stuck. When this code is triggered, you may notice that the left button on your handlebar controls is not functioning properly.

Potential Causes and Diagnostics

There can be several potential causes of Harley code B1322. Some of the most common causes include:

  • Physical damage to the left button or the RHCM
  • Corrosion or damage to the wiring or connectors
  • A malfunctioning RHCM

To diagnose the issue, you can start by inspecting the left button and the RHCM for any visible damage or corrosion. If everything looks okay, you can use a multimeter to test the wiring and connectors for any continuity issues or shorts. If you are not comfortable with this type of diagnostic work, it is best to take your Harley to a certified mechanic.

If the issue is with the RHCM, you may need to replace it. This can be a more involved repair, as the RHCM is responsible for controlling several functions on your Harley. If you are not experienced with this type of repair, it is best to take your Harley to a certified mechanic.

In conclusion, Harley code B1322 can be a frustrating issue to deal with, but with the right diagnostic work, you can find the root cause of the problem and get it fixed. By inspecting the left button, wiring, and RHCM, you can identify the issue and take the necessary steps to resolve it.

Electrical Components and Faults

If you are experiencing Harley code B1322, it is likely related to electrical components and faults. In this section, we will explore some of the common issues that can arise with your bike’s electrical system.

Ignition Switch Issues

One potential cause of Harley code B1322 is a faulty ignition switch. If the switch is not working properly, it can prevent the bike from starting or cause other electrical problems. To diagnose ignition switch issues, you should check for loose or corroded connections, and examine the switch for signs of damage or wear. It is also important to test the switch’s functionality using a multimeter or other testing tool.

Module and System Power

Another possible cause of Harley code B1322 is a problem with the bike’s module or system power output. The BCM, or body control module, is responsible for controlling many of the electrical functions on your Harley, including the lights, turn signals, and horn. If the BCM is not working properly, it can cause a variety of issues, including the B1322 code.

To diagnose problems with the BCM or other electrical components, you should check for loose or damaged connections, and test the module’s functionality using a multimeter or other testing tool. You may also need to replace damaged or faulty components, such as fuses or relays, to restore proper function to your bike’s electrical system.

By understanding the common issues that can arise with your Harley’s electrical system, you can diagnose and repair problems quickly and effectively. Whether you are dealing with a faulty ignition switch or a malfunctioning BCM, taking the time to troubleshoot and repair your bike’s electrical components can help ensure that your Harley is running smoothly and reliably for years to come.

Body Control Module (BCM) Functions

The Body Control Module (BCM) is an essential component of your Harley-Davidson motorcycle. It is responsible for controlling various functions of the motorcycle’s body, such as the lighting, horn, and turn signals. The BCM communicates with other modules to ensure that all systems are working correctly.

BCM and Error Code Relations

The BCM can generate error codes that can help you identify issues with your motorcycle’s body. For example, the B2102 error code indicates that there is a problem with the BCM’s input circuit. The B2103 error code indicates a problem with the BCM’s output circuit, while the B2104 error code indicates a problem with the BCM’s ground circuit.

Troubleshooting BCM Errors

If you encounter an error code related to the BCM, there are a few things you can do to troubleshoot the issue. First, check the battery voltage, as a low battery voltage can cause BCM problems. Make sure the battery voltage is at least 12.5 volts. Second, check the fuses for the BCM and make sure they’re not blown. Third, check the connections to the BCM and make sure they’re clean and tight.

If you’re still experiencing issues after checking these things, you may need to take your motorcycle to a professional mechanic for further diagnosis and repair. It’s important to address any issues with the BCM as soon as possible to ensure that your motorcycle’s body functions properly and safely.

Turn Signal Module (TSM) and Lighting

If you are experiencing issues with your Harley’s turn signals, brake lamps, or ACC output, it could be due to a fault in the Turn Signal Module (TSM). One common error code associated with the TSM is B1122, which indicates a fault in the TSM or the wiring to it.

Turn Signal Errors

If your turn signals are not functioning properly, there are a few things you can check. First, make sure that the turn signal bulbs are not burnt out and that the wiring is intact. If those are not the issue, then it could be a problem with the TSM. In this case, you may need to replace the TSM or have it repaired by a professional.

Brake Lamp and ACC Output Issues

If your brake lamps are not working or your ACC output is not functioning as it should, then there could be an issue with the TSM. In some cases, the TSM can become damaged due to water intrusion or other factors. If this is the case, then you may need to replace the TSM or have it repaired by a professional.

It is important to note that some Harley models are equipped with the Turn Signal Security Module (TSSM), which is a newer version of the TSM. If you have a TSSM, then you may need to follow a different set of troubleshooting steps.

In conclusion, if you are experiencing issues with your Harley’s turn signals, brake lamps, or ACC output, then it could be due to a fault in the TSM. Make sure to check the wiring and bulbs first, and if those are not the issue, then consider replacing or repairing the TSM.

Handlebar Controls Malfunction

If you are experiencing issues with your Harley Davidson’s handlebar controls, it can be frustrating and even dangerous. One of the error codes that you may encounter is B1322, which indicates that the RHCM (Right Handlebar Control Module) left button is stuck.

LHCM and RHCM Errors

The LHCM (Left Handlebar Control Module) and RHCM (Right Handlebar Control Module) are responsible for controlling various functions on your Harley Davidson, including the turn signals, horn, and headlights. If there is an error with either of these modules, you may experience issues with these functions.

If you receive an error code related to either the LHCM or RHCM, it is important to diagnose and fix the issue as soon as possible. In some cases, the module may need to be replaced. You can check for internal errors by running a diagnostic test on your motorcycle.

Switches and Buttons Faults

Another common issue that can cause handlebar control malfunctions is faulty switches and buttons. If the switches or buttons on your handlebars are not working correctly, it can prevent you from using important functions on your motorcycle.

When troubleshooting issues with your handlebar controls, it is important to check the switches and buttons for faults. This can be done by testing the continuity of the wires and checking for any pulled pins or broken wires.

In conclusion, if you are experiencing issues with your Harley Davidson’s handlebar controls, it is important to diagnose and fix the issue as soon as possible to ensure your safety while riding. By understanding the common causes of handlebar control malfunctions, such as LHCM and RHCM errors and faulty switches and buttons, you can take the necessary steps to keep your motorcycle running smoothly.

Accessory and Output Faults

If you are experiencing issues with your Harley Davidson motorcycle, one of the possible culprits could be an accessory or output fault. This section will discuss some of the common problems associated with these faults and how to troubleshoot them.

Accessory Output Problems

One of the most common accessory output problems is the ACC output shorted high or low. This fault occurs when there is a short circuit in the accessory wiring, which can cause the accessory to malfunction or not work at all. To troubleshoot this issue, check the wiring for any damage or loose connections. If you find any issues, repair or replace the wiring as necessary.

Another issue that can occur with accessory outputs is overloading. This happens when too many accessories are connected to the output, which can cause the output to fail or not work properly. To avoid this issue, make sure to only connect accessories that are compatible with the output and do not exceed the maximum load capacity.

Overloaded and Shorted Outputs

In addition to accessory output problems, Harley Davidson motorcycles can also experience issues with overloaded and shorted outputs. An overloaded output occurs when too much current is drawn through the output, which can cause the output to fail or not work properly. To troubleshoot this issue, check the output for any signs of damage or overheating. If you find any issues, repair or replace the output as necessary.

A shorted output occurs when there is a short circuit in the output wiring, which can cause the output to malfunction or not work at all. To troubleshoot this issue, check the wiring for any damage or loose connections. If you find any issues, repair or replace the wiring as necessary.

In conclusion, if you are experiencing accessory or output faults with your Harley Davidson motorcycle, it is important to troubleshoot the issue as soon as possible to avoid further damage. By following the tips outlined in this section, you can easily identify and resolve these common problems.

Radio and Control Diagnostics

If you are experiencing issues with your Harley Davidson’s radio and hand controls, it is possible that you are dealing with a B1322 error code. This code indicates that the left button of the RHCM (Rider Hand Control Module) is stuck. In this section, we will discuss some possible causes of this issue and how to troubleshoot it.

Radio Voltage and Control Issues

One of the possible causes of the B1322 error code is a voltage issue with the radio. If the radio voltage is too high or too low, it can cause the RHCM to malfunction. To check the radio voltage, you can use a multimeter to measure the voltage at the radio connector. If the voltage is not within the specified range, you may need to replace the radio or the wiring.

Another possible cause of the issue is a problem with the control module itself. If the control module is not functioning properly, it can cause the RHCM to malfunction. To troubleshoot the control module, you can use a diagnostic tool to check for any error codes or faults. If you find any, you may need to replace the control module.

Troubleshooting Hand Controls

If the issue is not related to the radio or control module, it is possible that there is a problem with the hand controls themselves. One of the most common issues with the hand controls is a short circuit. If the rear hand controls are shorted high or low, it can cause the RHCM to malfunction. To troubleshoot this issue, you can use a multimeter to check for continuity between the hand control wires. If you find any continuity, you may need to replace the hand controls.

In conclusion, if you are experiencing issues with your Harley Davidson’s radio and hand controls, it is important to troubleshoot the issue as soon as possible. By following the steps outlined in this section, you can identify the cause of the issue and take the appropriate steps to fix it. Remember to always follow the manufacturer’s instructions and safety guidelines when working on your motorcycle.

Advanced Diagnostics and Repair

If you are experiencing Harley code B1322, it is important to have a good understanding of advanced diagnostics and repair strategies. This will help you to identify the root cause of the problem and take appropriate measures to fix it.

Interpreting Advanced DTCs

Harley code B1322 is related to the right-hand control module (RHCM) left button being stuck. However, it is important to note that this code is an advanced diagnostic trouble code (DTC) and requires a scan tool or code reader to interpret it.

In addition to B1322, there are several other advanced DTCs that may be related to this issue, such as B1200, B1153, B1103, B2112, B2113, and B2114. These codes may provide additional information about the problem and help you to identify the root cause.

Repair Strategies

Once you have identified the root cause of the problem, there are several repair strategies that you can use to fix Harley code B1322. Here are some of the most common repair strategies:

  • Check the RHCM left button: The first step is to check the RHCM left button and make sure it is not stuck or damaged. If it is, you may need to replace the button or the entire RHCM.

  • Check the wiring: The next step is to check the wiring between the RHCM and the main wiring harness. Make sure all connections are clean and tight, and there are no breaks or damage in the wiring.

  • Check the RHCM: If the button and wiring are both in good condition, the problem may be with the RHCM itself. In this case, you may need to replace the RHCM.

  • Perform a software update: In some cases, a software update may be required to fix the problem. This will require a scan tool or code reader to perform the update.

By following these repair strategies, you can fix Harley code B1322 and get back on the road with confidence.

In:

,