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Harley Code B1332: Understanding and Troubleshooting

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’re a Harley-Davidson owner, you may have come across the B1332 code. This code is related to the faceplate preset button 4 being stuck. The faceplate is the panel that houses the radio and other controls on your Harley’s handlebars. When this button is stuck, it can cause issues with your radio and other controls.

To diagnose this issue, you can use the trip reset button on your Harley without the need for a diagnostic tool. Simply follow the main steps of the process, which involves holding down the trip reset button while turning on the ignition, and then scrolling through the codes until you reach B1332. Once you’ve identified the code, you can take the necessary steps to fix the issue.

There are a few reasons why the faceplate preset button 4 may be stuck, such as a faulty switch or wiring issue. If you’re not comfortable diagnosing or fixing the issue yourself, it’s best to take your Harley to a professional mechanic. They can help you identify the root cause of the issue and provide you with a solution to get your Harley back on the road.

Understanding Harley Code B1332

If you have encountered the Harley code B1332, it means that there is an issue with the faceplate preset button 4 on your Harley-Davidson motorcycle. This code is one of the Diagnostic Trouble Codes (DTC) that the onboard diagnostic system of your bike can detect. In this section, we will provide you with some basics of DTC and specifics of the B1332 code.

Diagnostic Trouble Codes (DTC) Basics

DTC is a standardized system used by Harley-Davidson to identify and report any issues with the sensors, circuits, or components of a motorcycle. The DTC system can detect both current and historic trouble codes and display them on the speedometer screen of your bike. To access the DTC system, you need to enter the diagnostic mode by following a specific procedure.

Specifics of B1332 Code

The B1332 code indicates that there is an LHCM internal error, RHCM internal error, or IM internal fault related to the faceplate preset button 4. LHCM stands for Left Hand Control Module, RHCM stands for Right Hand Control Module, and IM stands for Infotainment Module. The faceplate preset button 4 is one of the buttons on the radio faceplate of your bike.

If you encounter the B1332 code, you need to take your motorcycle to a Harley-Davidson dealership or a qualified mechanic to diagnose and fix the issue. The dealership or mechanic will use a diagnostic tool to read the code and identify the specific problem. Depending on the issue, they may need to replace the LHCM, RHCM, or IM to fix the problem.

In conclusion, the B1332 code is an LHCM internal error, RHCM internal error, or IM internal fault related to the faceplate preset button 4 on your Harley-Davidson motorcycle. If you encounter this code, you need to take your bike to a dealership or a qualified mechanic to diagnose and fix the issue.

Electrical System Overview

When it comes to the electrical system of your Harley-Davidson motorcycle, there are several key components that work together to keep your bike running smoothly. In this section, we’ll provide an overview of the battery and charging system, as well as the ignition and starting system.

Battery and Charging System

The battery and charging system are responsible for providing power to your motorcycle’s electrical components. The battery stores electrical energy, while the charging system ensures that the battery is kept fully charged.

Your Harley-Davidson motorcycle typically uses a 12-volt battery, which is charged by the motorcycle’s alternator. The alternator is driven by the engine and generates electrical power as the engine runs. The battery and charging system work together to provide power to the ignition system, lights, and other electrical components.

Ignition and Starting System

The ignition and starting system are responsible for starting your motorcycle’s engine. The ignition system includes the spark plugs, ignition coil, and other components that work together to ignite the fuel in the engine.

The starting system includes the starter motor, starter relay, and other components that work together to turn the engine over and start it running. The starter motor is powered by the battery, and the starter relay controls the flow of electrical power to the starter motor.

When it comes to diagnosing issues with your Harley-Davidson motorcycle, there are several codes that may be displayed on the bike’s instrument panel. One such code is B1332, which is related to the motorcycle’s BCM (Body Control Module).

If you encounter this code, it may indicate an issue with the BCM’s power or ground circuits. To diagnose and repair this issue, it is recommended that you consult the Harley-Davidson Electrical Diagnostic Manual or take your motorcycle to an authorized Harley-Davidson dealer.

Remember to always keep your motorcycle’s electrical system in good working order to ensure that your bike runs smoothly and reliably. Regular maintenance, such as checking the battery voltage and ensuring that all connections are clean and tight, can help prevent issues from occurring in the first place.

Harley Control Modules

Harley-Davidson motorcycles are equipped with several control modules that work together to ensure the proper functioning of the bike. These control modules are responsible for different systems such as the engine, transmission, brakes, and communication systems.

Body Control Module (BCM)

The Body Control Module (BCM) is responsible for controlling various functions related to the body of the motorcycle such as lighting, security, and accessory systems. The BCM is also responsible for storing and providing diagnostic trouble codes (DTCs) related to the body of the motorcycle. The DTC B1332 is related to the faceplate preset button 4 being stuck. This code can be accessed using the onboard diagnostics.

Radio and Communication Systems

The radio and communication systems of Harley-Davidson motorcycles are controlled by the Radio and Communication Module (RCM). The RCM is responsible for controlling the radio, intercom, and navigation systems. The RCM also stores and provides DTCs related to the radio and communication systems.

Other control modules that are important to note include the Engine Control Module (ECM), Left Hand Control Module (LHCM), and Right Hand Control Module (RHCM). The ECM is responsible for controlling the engine and transmission systems, while the LHCM and RHCM are responsible for controlling the left and right-hand controls of the motorcycle respectively.

To ensure that your Harley-Davidson motorcycle is functioning properly, it is important to regularly check for DTCs using the onboard diagnostics. If you encounter any DTCs related to the control modules, it is recommended that you consult the Harley-Davidson service manual or take your motorcycle to a certified Harley-Davidson technician for further diagnosis and repair.

Troubleshooting Electrical Issues

If you’re experiencing electrical issues with your Harley Davidson, it can be frustrating and time-consuming to diagnose the problem. However, with a little patience and some diagnostic procedures, you can get to the root of the problem and get back on the road.

Common Electrical Faults

There are several common electrical faults that can occur with Harley Davidson motorcycles, including:

Diagnostic Procedures

When diagnosing electrical issues, there are a few diagnostic procedures that you can follow to help identify the problem. Here are some steps you can take:

  1. Check the battery: Start by checking the battery voltage. The battery should read above 12.2 volts. If your Softail will start, keep the voltmeter connections in place and start the engine. The charging system should now be working and battery voltage should increase to above 14 volts. If the battery reads low, try slow charging the battery for 12 hours and re-test.

  2. Check the regulator: To check the regulator, unplug it from the stator. Take a test light and clip it to the negative terminal of the battery and then touch first one pin and then the other on the plug that goes to the regulator. If you get even the slightest amount of light from the test light, the regulator is toast.

  3. Read the DTC codes: 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:

  • Turn the ignition switch to the OFF position.
  • Press and hold the trip reset button.
  • Turn the ignition switch to the ON position.
  • Release the trip reset button.
  • Press the trip reset button again to scroll through the DTC codes.
  1. Check the faceplate preset button: If you’re experiencing issues with the faceplate preset button, it may be stuck. Check for the B1332 code, which indicates that the faceplate preset button 4 is stuck.

By following these diagnostic procedures, you can identify the root cause of your electrical issues and take the necessary steps to fix them.

Sensor and Switch Failures

If you are experiencing the B1332 code on your Harley Davidson, it may indicate a sensor or switch failure. In this section, we will explore two possible causes of this code: the Intake Air Temperature (IAT) Sensor and the Vehicle Speed Sensor (VSS).

Intake Air Temperature (IAT) Sensor

The IAT sensor measures the temperature of the air entering the engine and sends this information to the engine control module (ECM). If the IAT sensor has failed, it may cause the B1332 code to appear on your Harley.

To troubleshoot this issue, you can use a multimeter to test the IAT sensor’s resistance. If the resistance is outside the specified range, you may need to replace the sensor.

Vehicle Speed Sensor (VSS)

The VSS is responsible for sending the vehicle speed signal to the ECM. If the VSS has failed or is not functioning correctly, it may cause the B1332 code to appear on your Harley.

To diagnose this issue, you can use a multimeter to test the VSS’s resistance and voltage output. If the readings are outside the specified range, you may need to replace the VSS.

It is worth noting that the B1332 code may also be caused by other issues, such as a fuel level sender shorted low/open, fuel signal low, or fuel signal high. If you have ruled out the IAT sensor and VSS as possible causes of the code, it may be necessary to further troubleshoot the issue or seek professional assistance.

Remember to always follow proper safety procedures and refer to your Harley Davidson’s service manual for specific instructions and guidelines.

Handlebar Controls and Indicators

Harley-Davidson motorcycles come with a variety of handlebar controls and indicators that allow riders to easily operate their bikes while on the road. The left and right hand control modules (LHCM and RHCM) are two of the most important controls that riders use to operate their bikes.

Left Hand Control Module (LHCM)

The LHCM is located on the left handlebar and contains several important controls, including the run/stop switch and the ignition switch. The run/stop switch is used to turn the engine on and off, while the ignition switch is used to turn the bike on and off. If you are experiencing issues with your LHCM, it may be related to the run/stop switch or the ignition switch.

Right Hand Control Module (RHCM)

The RHCM is located on the right handlebar and contains several important controls, including the throttle, the front brake lever, and the rear brake pedal. The throttle is used to control the speed of the bike, while the front brake lever and the rear brake pedal are used to slow down or stop the bike. If you are experiencing issues with your RHCM, it may be related to the throttle, the front brake lever, or the rear brake pedal.

When troubleshooting Harley-Davidson motorcycles, it is important to be familiar with the LHCM and RHCM controls and indicators. One common issue that riders may encounter is the B1332 code, which indicates a problem with the LHCM. If you are experiencing this issue, it may be related to a faulty LHCM or a wiring issue.

In conclusion, the LHCM and RHCM controls are essential for operating Harley-Davidson motorcycles. If you are experiencing issues with your bike, it is important to be familiar with these controls and indicators in order to troubleshoot and resolve any issues that may arise.

Maintenance and Prevention

Regular Inspection Checklist

Regular inspection of your Harley-Davidson motorcycle is crucial in preventing the occurrence of B1332 DTC code. Here is a checklist of things to inspect:

  • Battery: Check the battery for corrosion, loose connections, and check the battery voltage regularly. A low battery voltage can lead to memory reset circuit failure, triggering the B1332 DTC code.

  • Wiring: Inspect the wiring for any signs of corrosion or damage. Corroded or severed wires can hinder proper communication and result in the B1332 DTC code.

  • Body Control Module (BCM): Regularly check the BCM for any signs of damage or malfunction. The BCM plays a crucial role in the proper functioning of the electrical system and can lead to the B1332 DTC code if it malfunctions.

  • Faceplate preset button: Check the faceplate preset button regularly for any signs of damage or malfunction. A stuck preset button can trigger the B1332 DTC code.

Preventive Measures

Preventive measures can go a long way in preventing the occurrence of B1332 DTC code. Here are some preventive measures you can take:

  • Regular Maintenance: Regular maintenance of your Harley-Davidson motorcycle can go a long way in preventing the occurrence of the B1332 DTC code. Regularly check the battery, wiring, and BCM for any signs of damage or malfunction.

  • Battery Replacement: If your battery is old or not holding a charge, consider replacing it. A defective battery can lead to low battery voltage, triggering the B1332 DTC code.

  • Wiring Replacement: If you notice any signs of corrosion or damage in the wiring, consider replacing it. Corroded or severed wires can hinder proper communication and result in the B1332 DTC code.

  • BCM Replacement: If you notice any signs of damage or malfunction in the BCM, consider replacing it. The BCM plays a crucial role in the proper functioning of the electrical system and can lead to the B1332 DTC code if it malfunctions.

By following these preventive measures and regularly inspecting your Harley-Davidson motorcycle, you can prevent the occurrence of the B1332 DTC code and ensure the proper functioning of your motorcycle.

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