The B1373 code signifies a problem with the Remote Function Actuator (RFA) Module in a vehicle. It can be caused by issues such as a faulty front right door handle, a damaged door handle harness, or a weak electrical connection in the door handle circuit.
Symptoms may include a malfunctioning remote keyless entry system or difficulties in locking/unlocking the front right door.
To fix the code, start with a visual inspection of the door handle and its components. Check for any visible damage or loose connections. If no issues are found, it is advisable to seek professional diagnosis for further troubleshooting and repairs.
What does it mean
The B1373 code indicates an issue with the Remote Function Actuator (RFA) Module not receiving a response from the right front door unlock sensor. Possible causes include a faulty front right door handle, wiring issues, or a faulty RFA module.
Visually inspect the wiring harness and connectors for damage and refer to the listed causes for diagnosis. Seek professional help if needed.
what are the symptoms
The B1373 code can cause the Engine Light or Service Engine Soon Warning Light to turn on. Additional symptoms may vary.
To better understand this code, let's talk about the right front door unlock sensor and any signs that may indicate the presence of this code.
The right front door unlock sensor is affected by the B1373 code. It stops responding to signals from the Remote Function Actuator (RFA) Module. As a result, you won't be able to unlock the right front door using the keyless entry system or the door lock/unlock button inside the vehicle.
There are warning signs that may indicate the presence of the B1373 code. These signs include difficulty or inability to unlock the right front door using the keyless entry system or the door lock/unlock button inside the vehicle. You may also experience unusual sounds or resistance when trying to unlock the right front door manually. In some cases, the right front door may remain locked even when the vehicle is unlocked using other methods.
If you notice any of these warning signs, it is recommended to seek professional diagnosis and repair to address the B1373 code.
What are the causes
One possible cause of the B1373 code is a faulty front right door handle. This can trigger the code when the Remote Function Actuator (RFA) Module doesn't receive a response from the right front door unlock sensor. Other potential causes include a problem with the wiring harness or connectors for the front right door handle, a weak electrical connection in the Front Right Door Handle circuit, or a defective RFA Module.
To troubleshoot and fix the B1373 code, common techniques include visually inspecting the wiring harness and connectors, checking for damaged components, and looking for broken or corroded connector pins. It may be necessary to seek professional diagnosis, especially if other potential causes are suspected.
To prevent the B1373 code from coming back, it's recommended to regularly maintain and inspect the door handle and related components. Additionally, ensuring proper electrical connections and promptly addressing any issues can help prevent the code from reappearing.
What Tools are Needed to diagnose
In order to diagnose the B1373 code, professionals use diagnostic tools like a scan tool and a multimeter. These tools help identify the cause of the code and determine the necessary repairs.
The scan tool retrieves trouble codes stored in the vehicle's computer system, providing information about the specific issue that triggered the B1373 code.
The multimeter measures voltage, resistance, and continuity in the electrical circuits associated with the front right door handle and the remote function actuator (RFA) module.
How to fix Step by Step
Step 1: Inspect the wiring harness and connectors related to the B1373 code. Look for signs of damage, corrosion, or any issues with connector pins.
Step 2: If any issues are found, repair or replace the affected components as necessary. This may involve fixing broken or bent pins, or replacing the wiring harness or connectors if they are damaged.
Step 3: Troubleshoot the B1373 code by considering common causes. These include a faulty front right door handle, an open or shorted front right door handle harness, a poor electrical connection in the front right door handle circuit, or a faulty Remote Function Actuator (RFA) Module.
Step 4: Test the front right door handle to determine if it is functioning properly. If it is found to be faulty, replace it with a new one.
Step 5: Check the front right door handle harness for any open or shorted circuits. Repair or replace the harness if necessary.
Step 6: Ensure that there is a good electrical connection in the front right door handle circuit. Clean or repair any corroded or loose connections.
Step 7: If the issue persists and the cause of the code cannot be easily determined or resolved, it is recommended to seek professional diagnosis. A qualified technician will have the necessary tools and expertise to accurately assess the issue and provide appropriate solutions.
What are the Common Diagnosis Mistakes
Common Diagnosis Mistakes: B1373 Code
When diagnosing the B1373 code, there is a common mistake that can occur. This mistake involves not thoroughly inspecting the front right door handle and its related components.
To prevent this error and effectively diagnose the B1373 code, consider the following tips:
- Inspect the front right door handle for any signs of damage, such as broken or worn-out parts.
- Check the wiring harness and connectors associated with the front right door handle for any open or short circuits.
- Look for poor electrical connections in the front right door handle circuit, as this can also trigger the B1373 code.
- Ensure that the Remote Function Actuator (RFA) Module is functioning properly, as a faulty module can cause the code to appear.
- Do not overlook other potential causes not listed, as there may be additional factors contributing to the B1373 code.
What is the Repair Cost
The repair cost for the B1373 code varies depending on factors like location, make, model, and engine type. On average, labor costs range from $75 to $150 per hour, with diagnosis taking around 1 hour. Rates are subject to change.
Seeking professional diagnosis and following recommended repair procedures is advised.
Can I drive safely with this code?
Driving safely with the B1373 code is not recommended due to potential malfunction of the right front door unlock sensor, affecting door lock functionality. Seek professional diagnosis for accurate assessment and inspect wiring harness, connectors, front right door handle, and RFA module for faults.
Engine light may turn on or trigger service engine soon warning.
Conclusion
In conclusion, the B1373 code relates to a fault in the Remote Function Actuator (RFA) Module of a vehicle, specifically the right front door unlock sensor. This code is triggered when the module does not receive a response from the sensor.
Common causes of the code include a faulty front right door handle, an open or shorted door handle harness, or a poor electrical connection in the door handle circuit.
By following the necessary steps to diagnose and fix the issue, vehicle owners and technicians can ensure the proper functioning of the RFA Module.